How Big A Grow Tent For 2 Plants

What Size Grow Tent Do I Need For X Plants?

Different farmers approach their tasks in different ways. Some people know exactly how many plants they want to grow (typically due to legal limits), and they design their grow room to accommodate that number of plants. The same may be said for those who have a certain grow space in mind that they would want to fill with the proper quantity of plants. For those who already know the size of their grow tent and are attempting to find out how many plants they can fit in it, our post on how many plants can fit in various sized grow tentswill be of greater use to you.

We’ll start by talking about appropriate grow tent sizes for popular plant populations.

What Size Grow Tent Do I Need For 1 Plant?

In a 2×2 tent, you can successfully grow a single plant to a respectable size. The stress training, topping, and pruning will all be necessary to ensure that it fills out the area well with the greatest amount of bud sites possible (more on that below). Of fact, many gardeners employ a 3×3, 4×4, or even a 5×5 tent for a single plant, depending on their needs. They just let it to grow to such a big size that it fully fills the tent they have set up. The idea is to encourage the plant to grow broad rather than extremely tall.

However, it goes without saying that a larger plant generates more weed.

What Size Grow Tent For 2 Plants?

Many instructions on the internet state that two plants should be kept in a two-by-two tent. When it comes to two plants, we would choose a rectangle tent over a square tent in most cases. The reason behind this is as follows. A square tent would require you to place each plant in a corner that was diagonal from its neighbor. Consequently, the other two corners are left vacant. It is possible to utilize them to power other equipment, such as a humidifier or dehumidifier, although in most cases, you will not want any of these for only two little plants.

We’d rather boost it up to a 3 and let them get a little bigger (and possibly even fill one of the corners with a third plant, if you’re not set on having two plants) before putting them in the ground.

Each plant will have its own square growing space in this manner.

If your plants are going to be much larger, a 48, or perhaps a 510, could be a better choice (which is not a common size, though). The ability to grow two plants to a substantial size in a huge tent such as this is unquestionably possible.

What Size Grow Tent Is Best For 4 Plants?

For 4 plants, a rectangular tent shape is preferable and the most typical size is a 4×4. That offers each plant around 4 square feet of growth space (a 2×2 area). It is really a bit less than that, because you want to maintain some space free between the plants. But this still allows for nice big plants. It is also pretty typical to grow 4 plants in a 3×3 tent, although you’ll definitely have to keep them a bit smaller. Even a 2×2 tent can work, but in this case, the plants will be so little that they only have on bud site apiece (not necessarily a negative thing, as we will speak about later) (not necessarily a bad thing, which we will talk about below).

What Size Grow Tent Do I Need For 6 Plants?

If you intend to cultivate six plants, a rectangular spot would be ideal once more. A 46 tent would be ideal for medium-sized cannabis plants, however that is a size that is not commonly found in cannabis tents. We would recommend a 4 by 8 foot tent, which would allow you to allow the plants to grow to a more substantial size. An alternative would be to use a 5 by 5 grow tent, which would be as effective, however it would not be as tidy in terms of how you could arrange the plants. It’s possible to squeeze six plants into a 2×3, or even 2×2 tent if you’re doing a Sea of Green grow.

What Size Grow Tent Do I Need For 10 Plants?

Allowing the 10 plants to reach their rather usual 4 square foot size, you’d want 40 square feet for the plants themselves, plus some additional room for equipment and to provide you easy access to each plant. That implies that a 5 by 10 foot tent would be adequate. Another idea would be to use an 86 tent as a shelter. However, none of these measurements is particularly frequent. Another option is to utilize an 88 grow tent or a huge 1010 grow tent, both of which would allow you to grow the plants to a substantial size.

What Size Grow Tent Do I Need For 12 Plants?

For 12 marijuana plants, the same tent sizes that we propose for 10 plants would be appropriate: a 510 or an 86 would suffice, but the 88 or 1010 grow tents would provide you with more flexibility. If you are growing a SOG, a 44 would provide you with somewhat more area than a 33.

What Size Tent For Any Other Number Of Plants?

It is likely that by now you have discovered that marijuana plants may grow to be a variety of various sizes. And that is something that you have control over. We’ll get to it in a moment. First and foremost, we wanted to provide you with conventional criteria to follow in the event that you had a certain quantity of plants that was not previously covered. For the most part, if you are employing the Sea Of Green approach, each plant will take up around 1 square foot of area on your growing surface.

  1. The plants can, of course, be much smaller or much larger than this, depending on your preferences, but 1 square foot is a reasonable starting point.
  2. This implies that one of these cannabis plants will occupy a 2×2 tent, and a 4×4 tent (16 square feet) may accommodate four of these cannabis plants.
  3. To determine the size of the tent you’ll need, just multiply the number of plants by the square footage of each plant in your arrangement.
  4. As a result, you’ll need a tent with a floor area of 16 square feet, which is a 4 by 4 tent.
  5. It might also be smaller in terms of square footage.
  6. For example, if you had five medium-sized plants, they would require a total of 20 square feet of growing area (5 times 4).

You are unlikely to come across a 54 tent, and you are even less likely to come across a 210. Alternatively, you may select a 55, which would have more room than you want but would be suitable for 5 plants.

Growing A Few Large Plants Vs. More Small Ones

You have total control over how huge your plants grow by utilizing a smaller or larger pot size, lollipopping, trimming, pruning, and stress training your plants. Therefore, one of the most significant decisions you will have to make is how large you want your plants to grow. Both smaller and bigger plants have their own set of advantages and disadvantages. We’ll go through them in a little more detail below.

Advantages Of Fewer Large Plants

  • If the number of plants available is restricted by legislation, maximize yields. It takes far less work to water and feed a single plant. Larger buds, which are typically more powerful. Cannabis seeds are costly, and fewer plants result in less seeds being produced.

Advantages Of More Smaller Plants

  • More harvests each year are possible because of the shorter growing cycle. Pruning and trimming will be less (or non-existent)
  • Vertical space is reduced to a minimum. There will be less soil (or other media) needed.

Other Things to Consider When Choosing A Grow Tent Size

If you intend to cultivate a specific number of plants, the size of the grow tent you purchase will be dictated mostly by the number of plants you intend to produce. However, it is not certain to be the only one. Here are a few more considerations that you might want to keep in mind.


You won’t be able to purchase a 5 by 5 foot grow tent if you only have a 3 by 4 foot place in which to store it. The size of the tent you may purchase is obviously restricted by the amount of room you have available to store it in your home. Furthermore, if you intend to include the grow tent into the same room, you will need a space that is significantly larger than the tent. The way you deal with heat also has an impact on the size of your intestines. If the temperature differential between the room and the tent is lower, the room will heat up more quickly if you vent into it, and the entire home will heat up more quickly if you vent into another location.

The use of vertical space is also important.

The shorter the tent, the shorter the period of time you must keep the plants in it to prevent them from experiencing light burn and becoming yellow, and vice versa.


The cost of a grow tent increases in proportion to its size. There are enormous budget tents available, of course, but they are still more expensive than tiny budget grow tents. In addition, low-cost tents are always going to be of inferior quality. If you are unable to afford a larger tent, the size of the tent that you may purchase will be limited. The cost of the tent itself is only a portion of the total. In addition, additional oscillating and inline fans will be required in a bigger grow area.

Tents are available in a variety of pricing ranges and quality levels.

It is only at the deep discount level that they fail to meet the budget requirements.

For the best of those brands, go no further than Viosun grow tents.

What Grow Tent Size: Final Thoughts

Hopefully, this article has given you a decent notion of what size grow tent you will want in order to accommodate the particular number of plants that you intend to cultivate in your garden or greenhouse.

And now that you have determined the exact dimensions of your grow room, it is important to determine what size grow light you will need to illuminate that space in order to optimize yields.

Best Size Tent for 2 Plants – What Size Grow Tent for 2 Plants

When you know what cultivation technique you want to use to develop your plants, choosing the ideal size tent for 2 plants becomes a simple process. Using the following article, we’ll go over how large of a grow tent you’ll need for two plants in order to achieve various growing styles, such as Sea of Green, Topping, Low-Stress Training, and Screen of Green. Here are our top picks for the Best 2 Plant Grow Tent Kitif you just want to know what the best 2 plant grow tent kit is:

Best 2 Plant Grow Tent Kits

Image Name Rating Shop
MARS HYDRO Grow Tent Kit Complete TS600W LED Grow Light 2x2ft VIEW PRICE
BloomGrow Grow Tent Kit 32”x32”x 63′ 1200W LED VIEW PRICE
MARS HYDRO Grow Tent Kit CompleteTSW 2000W Led Grow Light 4x4FT VIEW PRICE
VIVOSUN 2-in-1 48”x36”x72” Mylar Reflective Grow Tent VIEW PRICE

What Size Grow Tent for 2 Plants

What size grow tent do I need for two plants of different sizes? In order to cultivate two plants utilizing the Sea of green approach, you’ll need a grow tent that’s 2′ by 2′ at the very least. If you want to use the Screen of Green Technique, a 2′ x 4′ grow tent or a 4′ x 4′ grow tent would be a better choice than a 2′ x 4′ grow tent.

  • The Sea of Green is a 2′ x 2′ Grow Tent
  • The Screen of Green is a 4′ x 4′ Grow Tent
  • And the Topping is a 4′ 2′ Grow Tent. A 2′ by 3′ grow tent is used for low-stress training.

Sea of Green – 1 sq/ft per plant

For each plant in the sea of green technique, one square foot of area is required. In order to accommodate two plants, you’ll need a modest grow tent with at least 2 sq/ft of floor area. A 2′ by 2′ Grow Tent is ideal for the sea of green approach because it is typically difficult to locate tents this tiny. If you plan on employing the sea of green technique, it is best to get a 2′ x 2′ Grow Tent.

Best Grow Tent for 2 Plants – Sea of Green

A tent for two plants, such as theMARS HYDRO Grow Tent Kit 2x2ft (Buy Online), is the perfect option if you intend to use the sea of green approach. Grow tent set with a 2′ x 2′ footprint, a 600-watt MARS HYDRO LED grow light, a light timer, a hygrometer, yoyo hangers, a 4-inch inline fan, and a 4-inch carbon filter is included in this package.

VIVOSUN 2-in-1 48”x36”x72” Mylar Reflective Grow Tent for Indoor Hydroponic Growing System

Vivosun’s 2-in-1 Mylar Reflective Grow Tent (Buy Online) is 48″ x 36″ x 72″ and has a total height of 72″. This grow tent is ideal for growing plants in a sea of green environment utilizing the sea of green technique. Vegetative plants and clones can be kept in one chamber, while blooming plants can be kept in the larger side chamber of the tent.

Screen of Green –4-6 sq/ft per plant

If you plan to use the screen of green technique, each plant will require approximately 4-6 square feet of space. In order to cultivate two plants, you’ll need 8-12 sq/ft of available area. Using the screen of green approach, a grow tent measuring 4 feet by 4 feet is the very minimum size you’ll require to accommodate the growth of two plants. However, if you want to grow larger plants in your grow tent, a 4′ x 3′ Grow Tent would be the preferable option.

Best Grow Tent for 2 Plants – Screen of Green

Grow Tent Kit for 2 Plants (MARS HYDRO 4x4ft Grow Tent Kit (Buy Online)) is the best 2 plant grow tent kit available. This grow tent package contains a 48″ by 48″ Grow Tent, a 2000-Watt Dimmable Light, and other accessories. MARS HYDRO LED Grow Light, Light Timer, 4-inch Inline Fan, Fan Ducting, Fan Speed Controller, and a 4-inch Carbon Filter are included with the purchase of the Mars HYDRO LED Grow Light.

BloomGrow 1200W LED Full Spectrum Professional Grow Light Strips + 32”x32”x63” 600D Mylar Grow Tent Room

Growing in the BloomGrow 1200W LED Grow Tent Kit (Buy Online) is a step up from the tiny 2′ by 2′ grow tent that was previously available. Growing equipment included in this grow tent kit are: a grow tent measuring 3 feet 3 feet 5 inches in size, a 1200W LED grow light, a 4-inch inline fan, a PremiumCarbon Filter, aluminum ducting, a mechanical timer, a set of Ratchet Hangers, and a Hydrometer.

It also includes a heavy-duty polyester net that may be used to teach your plants utilizing the screen of green approach, which is included with this grow tent kit.

Topping –2-4 sq/ft per plant

If you intend to top your plants, then each plant will require between 2-4 square feet of space. Because they will develop more lateral branches and a larger canopy, you will need a grow tent that is 4-8 sq/ft in size to accommodate two plants.

See also:  How Cold Is Too Cold For Tent Camping

Best Grow Tent for 2 Plants – Topping

In terms of compact grow tents, the Gorilla Grow Tent Shorty (available for purchase on Amazon) is one of the better options available. The gorilla grow tent has dimensions of 2 x 2.5 x 5 feet and is constructed of heavy-duty 1680 Denier Nylon for durability. The gorilla grow shorty is ideal for rooms with low ceilings, and you can even raise its height to up to 10-feet by using extension kits (sold separately).

Low-Stress Training –2 sq/ft per plant

If you’re going to use the low-stress training approach, you’ll need to provide each plant 2 square feet of area. Therefore, a 2′ x 2′ Grow Tent would enough for low-stress training, but a 3′ 3′ Grow Tent would be a better choice if you have the extra area to dedicate to it.

Choosing the Right Size Grow Tent

According to their genetic makeup, plants are available in a variety of sizes and forms. It will be necessary to take into consideration the size of a plant’s stem, leaves, and overall height while selecting a grow tent. It is possible that certain plants will reach a bigger mature height than others, in which case you may need to purchase a larger 72-inch grow tent rather than a more compact 63-inch grow tent. Another issue is that certain plants might have a larger canopy than others, which can crowd out nearby plants and reduce light penetration and air circulation.

Type of Light

The size of your grow tent will be determined by the type of light you use and the amount of space available. Lights like as high-pressure sodium and metal halide will necessitate a bigger canopy than LED grow lights. This is largely owing to the fact that high-pressure sodium and mercury-vapor lamps generate a great deal of heat, which can be difficult to disperse in a confined area. It is also necessary to position HID lights far above the plants in order to reduce the danger of damage caused by the high levels of light and heat emitted by the lights.

Hydroponics vs Soil

Plants grown on soil will require more room than plants cultivated in a hydroponic system, which will require less space. As a rule of thumb, a plant grown in soil will require 1.5 times the amount of area required by a similar plant cultivated in an Ebb and Flow Hydroponic System or a Deep Water Culture System.


A more powerful ventilation system will be required for a larger grow tent in order to handle smells and expel excess heat. As a result, you’ll need to make sure that the fan and carbon filter are the appropriate size for the size of your grow tent.

In most cases, a 4-inch inline fan will suffice for a tiny 2′ by 2′ grow tent with only two plants. However, if you purchase a 4′ x 4′ grow tent, you may find that you need to upgrade to a 6-inch fan and carbon filter in order to manage the increased amount of air in the tent.

Space Constraints

If you live in a tiny house or apartment, you’ll most likely have a restricted amount of area for a grow tent to accommodate your needs. Because of this, you’ll want to acquire the smallest grow tent you can find while yet providing enough area for your plants to develop healthy and robust. If you have a limited amount of area, a tiny 2′ by 2′ grow tent might be your best bet. It might be possible to apply the sea of green approach in that situation in order to optimize the yield obtained from a tiny grow tent.

This will save you the time and work required to maintain the sea of green approach.


This post has discussed some of the factors you should take into consideration when selecting the appropriate size grow tent. However, there are still a number of personal elements to consider, such as your climate, electricity bills, living arrangements, and physical endurance and health, that will need to be taken into consideration before making a final decision. The most important thing to remember is that a grow tent must be suitably sized in order to give optimal growing conditions for your plants.

How Many Plants Per Square Foot Indoors

  • Grow Tents in the following sizes: Best Size Tent for 2 Plants–2′ x 2′ Grow Tent
  • Best Size Tent for 4 Plants–2′′ x 4′ or 3′ x 3′ Grow Tents
  • Best Size Tent for 6 Plants–4′ x 4′ Grow Tent
  • Best Size Tent for 9 Plants–4′ x 8′ or 5′ x 5′ Grow Tents
  • Best Size Tent for 12 Plants–5′

How to Choose the Right Size Grow Tent

If you’re anything like me, you’re more of an indoor gardener than a carpenter, then drilling holes in your walls and ceiling for light hanging and exhaust vents doesn’t make much sense. Consequently, if you’re desperate to start growing (like I was), a grow tent would be the perfect alternative for you: no drilling, no sizing needed; simply put up the tent and plug in the equipment. First and foremost, though, you’ll want to make certain that your growing space is properly measured before purchasing a grow tent.

  1. The shade provided by your garden’s canopy
  2. Grow lights (both in terms of their size and the distance between them and your plants)
  3. Carbon filter, intake/exhaust fans, clip fans are examples of ventilation equipment. A variety of accessories and instruments (such as reservoirs, pumps, soil, nutrients, shears, and so on)

As soon as you’ve determined your ideal growing space, you can begin shopping for a grow tent to fit your needs. Everything that is essential to your garden, including you, must fit comfortably in your grow tent, so let’s get started on finding out how we might accomplish this goal:

Part 1: Planning Out Your Grow

Before you begin constructing your ideal grow tent for your future harvests, you’ll want to sketch up a schematic of the growing area you anticipate you’ll want, as well as a list of the equipment you’ll need. It doesn’t have to be anything spectacular, but having a good picture to assist with the setup process is usually beneficial. Check to see that you have the following items: Also, be certain that you are aware of the amount of power required to operate your accommodation. A common residential breaker has 15 amps of capacity, and you should never use them to their maximum capacity.

Check the circuit breaker for that room and make sure there are no inconvenient appliances connected to it.

If you want additional amperage for your setup, you might consider acquiring a second 100 amp sub panel.

Finally, before you begin putting up your equipment, make sure you understand what will be done with the water run-off (soil) or water used to replenish reservoirs in hydroponic systems after they have been set up.

A commercial sink may be installed in your grow area if there is currently a sink installed in your growing space. If your water is going to be delivered in a different room, take efforts to make the procedure of disposing of water waste and refilling water bottles as simple as possible.

Setting up a Grow Tent Area | Step by Step

Once you’ve decided on a site, assigned an electrical breaker, and planned out your watering procedure, you’re ready to go.

  • Create an inventory of the materials and prices for the equipment and accessories (using your blueprint as a guide)
  • Make sure anything in the room is out of the way that isn’t necessary for your grow space. This includes any furniture, curtains, pets, carpets, workstations, and other such items. Set up your hydroponics or soil system and decide the space between your pots or buckets, depending on your preference. To ensure adequate working space in and around them, make sure to provide for extra space. Nutrients, sparegrow light bulbs, pruning shears, and other accessories should be stored in a designated area. Plastic storage containers are my preferred method of storage. Locate a location in your growing area where you can install the grow tent. In the event that you intend on exhausting or drawing air from an outside source (or both), consider using a window or a crawl space from the roof. Make sure that your grow tent is close to the exhaust and intake sites
  • This is a crucial factor to consider when setting up your grow tent equipment.

What NOT to do in your Grow Area

It’s critical to understand what might cause damage to your grow space. If you want to prevent having a headache throughout your growth season, you should avoid the following things at all costs:

  • Maintaining a soiled grow tent and growing environment. Anything that isn’t compostable or recyclable should be kept off the ground and away from your grow tent. Trash is a breeding ground for possible pests, which can then find a home in your grow tent and on your plants as a result. Prevent insect infestations by maintaining a clean and orderly environment
  • Avoid becoming disorganized by storing your equipment and accessories in a cluttered area. Cross contamination is a fairly prevalent problem, and if your used ducting comes into contact with the pruning shears that you use to snip off leaves, you might be introducing some harmful bacteria. Do not allow clutter and garbage to accumulate around you. Empty boxes should be removed, and your grow equipment should be designated to keep things organized and secure. Bringing outside equipment into your grow tent is a good idea. This includes ladders, hoses, garbage cans, and any other items that are kept outside. Keep it away from your growing space. Outside pests, like as spider mites, have an easier time getting inside your grow tent and munching on your plants as a result of your actions. Aphids are a frequent pest problem that may be exceedingly difficult to control and eliminate. Prevent yourself from making this mistake by keeping outdoor equipment where it belongs, outside.

Having determined how you want to utilize your area, the following step is to determine which grow tent will best assist you in moving on with the process of putting together the appropriate grow tent.

The Small Square Base (32x32x63)

This grow tent is fantastic, especially if you’re just getting started (whether you want to or for necessity). It provides more than enough ventilation choices and can support the growth of two mature plants that are around 4-5ft tall from the top of the grow container. It incorporates double-line zippers to ensure that no light escapes through, allowing you to sleep in perfect darkness while following your evening routine. According to the schematic above, this grow tent is comprised of the following components:

  • When you’re just getting started, this grow tent is fantastic (whether you want to or for necessity). You will have more than enough venting choices with this grow pot, and it can support two mature plants that are around 4-5ft tall from the top of the container. You will have perfect darkness for your nightly schedule because of the double line zippers that prevent light leaks. In accordance with the illustration above, this grow tent contains the following features:

A double drawstring vent and duct holders are included with the 6″ ducting. The upper 6″ of the duct opening is often utilized for exhausting purposes. You may either attach a fan to the top of the grow tent or run ducting through it from a fan that is located within the tent. If you have an air-cooled hood and would want to run an additional exhaust fan, you may do so through the two 6″ duct openings at the top of the hood. Simply connect ducting to both sides of the air-cooled reflector and put a fan on the opposite side to complete the installation.

Although this is an older grow tent that we used to sell, the majority of its features are still applicable today.

Small Rectangular Base (48x24x60)

Because it is so thin, it is more easily accommodated in large closets (like ones with sliding doors). Growing space is 48 inches wide, 24 inches long, and 60 feet tall in this particular grow tent configuration. With this grow tent, we propose either three full-sized plants or eight tiny plants to be placed inside (clones, herbs, early vegging growth, etc.). The following items are included with this grow tent:

  • This item fits well in large closets because of its slender design (like ones with sliding doors). Growing space is 48 inches broad, 24 inches long, and 60 feet tall in this particular grow tent design. Three full-sized plants or eight mini plants should be able to thrive under this grow tent, according to us (clones, herbs, early vegging growth, etc.). Among the features of this grow tent are these:

I’ve personally used this grow tent for both moms and clones, and it’s a reliable complement to any growing environment. You have less customization options with a freestanding unit because it only comes with three 6in. duct ports, none of which are located at the bottom of the unit for improved air intake quality.

Medium Rectangular Base (48x48x78)

This grow tent is far larger than the two prior grow tents that we discussed. The dimensions of this grow tent are 4x4ft in length and 6.5ft in height. For this size grow tent, we recommend that you place four full-size plants in it, allowing you plenty of freedom to move about.

You can also squeeze 6 in there, but it will be a tight fit. You may also accommodate 16 small-sized plants that will grow to be no more than 2 feet tall in this space. The following items are included with this grow tent:

  • A total of 5x 6in. duct openings are available for intake and exhaust choices
  • For cable, pipe, and wire management, there are two 4in. duct ports. air exchange and humidity management are made simple with three sleek rectangular air vents. Pocket pouch for quick access to common accessories such as pruning shears, meter, or sunglasses
  • 1x pocket pouch for convenient access to common accessories such as a pen
  • There are 1x sealed windows so you can keep an eye on your plants without upsetting the grow tent environment. 4x roof support beams for grow lights, carbon filters, and any items you’d like to hang from the roof
  • Two side entrances (on the left and right) let you to move around your grow tent with ease. It can also be used for optional entrances.
See also:  How To Prevent Condensation In A Tent During Winter

Intake and exhaust options are provided through 5x 6in. duct openings. For cable, pipe, and wire management, there are two 4-inch duct apertures on the wall. air exchange and humidity management are made simple with three sleek rectangular air vents; Pocket pouch provides quick access to common accessories such as pruning shears, meter, or sunglasses; 1x pocket pouch for convenient access to common accessories such as pruners, meter. There are 1x sealed windows so you can keep an eye on your plants without upsetting the grow tent environment; Four beams for roof support, which may be used to hang grow lights, carbon filters, and other items.

Suitable for extra entrances as well as main entrances

Large Rectangular Base (96x48x78) features one of the largest grow tents available on the market. This is a commitment to ensuring higher returns in the future. It’s essentially two Yield Lab Grow Tents (48x48x78) bundled into an one package. Serious and devoted gardeners are aware that it will take up the majority of the available space in their grow area, so they plan accordingly. This has a surface size of 4x8ft and a height of 6.5ft. It is ideal for you to be able to accommodate 8 full-sized plants (4-5ft tall) easily in this monster-sized grow tent.

Alternatively, if you’re growing SOG or smaller plants, you can fit around 25 small-sized plants.

  • 4 x 8-inch duct apertures for more intake and exhaust flexibility
  • Intake and exhaust options are provided via two 6in. duct openings. 4-inch duct ports for cable, pipe, and wire management
  • 4-inch duct ports for cable, pipe, and wire management
  • A total of 6 streamlined rectangular air vents for simple air exchange and humidity regulation
  • Pocket pouch for quick access to common accessories such as pruning shears, meter, or sunglasses
  • 1x pocket pouch for convenient access to common accessories such as a pen
  • To keep an eye on your plants without upsetting the grow tent environment, 2x sealed windows are provided. 4x roof support beams for grow lights, carbon filters, and any items you’d like to hang from the roof
  • Two-door front entry to accommodate the large size
  • Two-door back entrance to provide for easy access to all of your plants.

The highest amount of personalization is available with this huge grow tent. You have many more duct ports, allowing for massive exhausting with 8-inch high-output fans and enormous carbon filters to be accomplished. Large open entrances make it easy to reach to all of your plants without a fuss. For professional growers, this is without a doubt one of the greatest grow tents available on the market. BONUS: This following video demonstrates all of the many design possibilities available for your grow tents.

You should learn to experiment and enjoy yourself while doing so because it is your grow room and you are the expert on what is best for your plants.

We hope that this article has assisted you in determining which grow tent is most suited for your growth requirements.

Please note that this item was initially published in January 2015 and has been updated to ensure accuracy and completeness of the information provided.

Detailed Guide To Choosing The Right Size Grow Tent For Your Plants

Are you unsure of the size of grow tent you’ll want based on the quantity of cannabis plants you intend to cultivate? I’ve broken down all of the criteria that need to be examined so that the decision-making process will take no more than a few minutes to complete. In general, you should have 22 feet of grow area per mature cannabis plant in your grow tent, according to the American Cannabis Association. You’ll also need to make room for other products such as a humidifier. These estimations are based on the assumption that you will not train your plants.

Depending on the training technique you choose, this might result in an increase in the amount of area required per plant.

A single cannabis plant can be taught to take up the entirety of a 33.3 foot grow tent, which I’ve witnessed. By following the steps in this guide, you will have answers to the following questions:

  • What is the appropriate size grow tent for four plants? What size grow tent do you recommend for 8 plants? What size grow tent do you recommend for 12 plants? And so on.
  • What size grow tent should I use for autoflowers
  • What size should the grow tent be
  • How tall should it be
  • How to manage the height of your plant while it is growing in a grow tent
  • When looking for grow tents, there are a few more things to consider.

Finally, it boils down to how effectively you can utilize a particular area and whether or not you are taking efforts to guarantee that you are making the most of your space.

How many cannabis plants per grow tent?

All of these suggestions are based on the assumption that you will be planting in 3 or 5 gallon grow bags or buckets.

What size grow tent for 1 cannabis plant:

When growing one cannabis plant, I recommend a grow tent that is 24 inches by 24 inches by 48 inches.

What size grow tent for 2 cannabis plants:

In order to produce two cannabis plants, I propose a grow tent that is 24′′ x 48′′.

What size grow tent for 4 cannabis plants:

I propose a grow tent that is 48 inches by 48 inches by 80 inches in size for four plants.

What size grow tent for 6 to 8 cannabis plants:

I propose a grow tent that is 96′′x 48′′x 80′′ in size.

What size grow tent for 10 cannabis plants:

I propose one that is 96′′x 48′′x 80′′ in size. One 24′′x48′′ in. grow tent with one 24′′x48′′ in. Ten plants may be grown in a grow tent.

What size grow tent for 12 to 16 cannabis plants:

I propose using *two* 48′′x96′′x80 in. grow tents for a total of 12 to 16 marijuana plants.

What size grow tent for autoflowers:

Autoflowers typically reach a height of 3 feet. If you’re thinking of growing autoflowers in a grow tent, I’d recommend following the same requirements as those listed above. Here’s why: Even these autoflowers are smaller in stature, their branches may still span a significant amount of space when completely developed, despite the fact that their height is reduced. As a result, cultivating autoflowers in a grow tent will not result in significant space savings when compared to growing ordinary cannabis plants in the same space.

However, there isn’t a significant change in the quantity of room you’ll have.

I’ll outline strategies for managing the height and growth of your plants so that you can really fit this many plants into your grow tent in the sections below.

Determine the space needed per plant:

Cannabis plants may grow to a variety of sizes, many of which are within the control of the grower. Identifying how much room you’ll require for each plant is an excellent starting point for figuring how much overall area you’ll want in a grow tent or greenhouse. The three and five gallon grow bags are the most often used grow bags for cannabis cultivation at home, respectively. It is recommended to allow 2 gallons of soil for every foot of anticipated plant height as a general rule of thumb.

Grow Bag Size (Gal.) Height(cm) Diameter(cm)
1 gal. 16cm 18cm
2 gal. 20cm 22.5cm
3 gal. 23cm 27cm
5 gal. 27.5cm 31.5cm
7 gal. 29cm 36.5cm
10 gal. 31cm 40.5cm
15 gal. 33cm 46cm
20 gal. 40cm 51cm

Take a look at the diameters shown above for each of the grow bag sizes available. But you can’t stop there since the plant’s branches will eventually extend over the edge of the grow bag, requiring you to cut them back. When using 3 and 5 gallon grow bags, keep in mind that the cannabis plants can grow up to 13-15cm over the edge of the grow bag on any one side of the bag. In a 5 gallon grow bag, a mature plant is growing. Taking this into consideration, if you want to cultivate four plants in three-gallon grow bags, you need provide 44-49cm (16-17.5in) of room per plant in total.

If you want to grow in larger bags or buckets, you should anticipate that the branches may likely develop longer than the 13-15cm indicated for 3 or 5 gallon grow bags, so give your cannabis plants even more breathing room.

It is theoretically possible to cram them all into a 3x3ft grow tent, but there would be no room for a standing fan or a humidifier in such situation.

Of course, you could still hang things from the top if you wanted to. If you want a comfortable fit for four cannabis plants in 3-5 gallon grow bags (as well as a humidifier), a 44 grow tent (48′′x48′′x60′′ in.) is the best option.

How tall should my grow tent be?

You should absolutely stay with the usual 80-inch height on the 4×4 grow tents whether you’re growing cannabis or a tall vegetable plant like tomatoes. This is the reason why: Your grow light will dangle around one foot from the ceiling of the grow tent, and depending on the power of your grow light, you’ll need between 18 and 24 inches between the grow light and the plant surface of the growing environment. As a result, you’ve already utilized up 2.5-3ft of your available height. That leaves you with 3.5ft of space for your cannabis plants, maybe a bit more if you’re able to hang your grow light a little higher in the ceiling.

Using a little grow tent with a shorter height may be sufficient if you’re growing smaller plants such as succulents or house flowers in your garden.

Leave space for a humidifier in your grow tent:

Growing plants inside has several advantages, one of which is the ability to regulate the atmosphere in order to produce the finest harvest possible. It’s important to remember that while deciding on the size of your grow tent, you should choose one that has adequate space for your plants and also has a humidifier. This 6 liter humidifier is one of my favorites. The digital display that allows you to select the correct humidity level on your own so that humidity levels don’t become a guessing game is a great feature.

It will occupy an area of around 11 inches by 7 inches in your grow tent.

Side note on grow tent humidity:

When it comes to growing cannabis, humidity is extremely important. Air that is too dry can inhibit development, whereas air that is too humid will promote mold or decay. Cannabis clones require 70 percent humidity since they absorb the majority of their water through their leaves while their roots are establishing. The remaining vegetative and blooming growth cycles can be completed at humidity levels of 50 percent or higher. Because tomatoes are primarily water, if you’re cultivating tomato plants, you’ll need 70-80 percent humidity to keep them healthy.

Controlling Plant Height In Your Grow Tent:

The ability to adjust the height of your cannabis plants will be critical if you want to successfully fit four plants into a 44 grow tent. Fortunately, there are a few strategies you may use to keep the height of your cannabis plant under control.

Switch plants to flowering phase at the right time:

When your cannabis plant has grown to half the height you want it to achieve at the end of the vegetative development period, reduce the length of the lighting cycle from 18 hours to 12 hours.

The idea for this is that your plant will continue to grow the remaining 50% during the flowering cycle. This has shown to be a reliable rule of thumb, and it will assist you in growing plants that are the appropriate size for your grow tent.

Top Your Cannabis Plant:

Remove the top node of the main stem of your plant and discard it. Not only will this limit the height of the plant, but it will also allow hormones to seep downward to the bigger branches, assisting them in producing additional buds.

Low Stress Train Your Cannabis Plant (LST):

Your biggest branches should be bent over to the edge of the grow bucket and tied down in some way early on in their vegetative development. The branches will naturally bend upwards toward the light as a result of this strategy, but the eventual height of your plants will be reduced as a result. More information about LST may be found in my piece about increasing cannabis yields.

Use a smaller grow bag to grow smaller plants

In the event that you’re concerned about your cannabis plants taking up too much space within your grow tent, providing the roots a limited place to grow in might assist you limit their final growth. Instead of a 5 gallon grow bag, a 3 gallon grow bag will suffice. A 7 or 10 gallon grow bag, on the other hand, may accommodate a larger-sized plant that will take up the whole grow tent, allowing for more root development.

Do More Cannabis Plants In One Grow Tent Equal More Yields?

Trying to cram as many plants as possible into a small space will not necessarily result in higher yields. As a result of overcrowding your tent, your plants will metaphorically be fighting each other for light and CO2. In a research conducted by McGill University on cannabis yields, one of the factors cited was proper plant spacing. Without a doubt, four plants in a 4×4 foot grow tent will produce more than two or three plants in the same size grow tent. I’m referring to the attempt to overcrowd 5 or 6 adult-sized plants into a grow tent with a diameter of 4 4 feet.

The same amount of harvest from 1 to 2 plants as you would from 3 or 4 plants might result if your lighting isn’t powerful enough, so make sure your illumination is enough.

See also:  How To Set Up A Cabela'S 6 Man Tent

Please see my guide on optimizing yields for more information.

That’s it!

You are now completely prepared to go out and get the appropriate size grow tent to accommodate whatever number of plants that you desire. These are broad suggestions that should be sufficient for most situations. When it comes to plant space, remember that more space is always preferable if you have the financial flexibility to go one size up and give your plants a bit more breathing room. However, the final decision is entirely up to you. If you’re planning on purchasing a grow tent in the near future, be sure to read my guide on selecting the correct sized grow tent fan, as well as my guide to the best grow tents on the market!


You have complete control over the amount of space each plant takes up in your grow tent. I estimate that you’ll need 44-49cm per cannabis plant if you’re using 3 or 5 gallon grow bags.

How many cannabis plants fit in a 4×4 grow tent?

You should be able to cultivate four cannabis plants in three or five gallon grow bags, and you should have enough space to accommodate a humidifier.

How do I control cannabis plant height?

By reducing light exposure from 18 to 12 hours each day after the cannabis plant has grown to half of its target height, you may begin blooming your plant.

Do I need a humidifier for my grow tent?

Humidity is essential for producing cannabis and preventing powdery mildew, which can kill your plants if not maintained properly. Allow for additional room (about 126 inches) for a humidifier.

What Size Grow Tent Do I Need? (2021 guide & buying tips)

There are no two plants that are exactly same. Tents, on the other hand, do not grow on you. Despite the fact that they come in a plethora of various forms and sizes, they are all meant to perform the same function: to house and develop plants. We will explain how to choose the appropriate size grow tent for your needs, regardless of whether you know how many plants you want or just have a limited amount of space to work with.

Planning Your Grow

Before you do anything, sketch a rough idea of how you want your growth area to look before you start digging. It is not necessary to have a sophisticated design. Even the most rudimentary sketch might aid in visualizing where everything should be placed. Consider the watering process carefully, and prepare a list of all the equipment you’ll need for replenishing reservoirs (if you’re growing in hydroponics) or for capturing run-off (if you’re growing in soil) during the process. You should allow enough room around your plants to work in and around them after you have picked your position and sorted out the watering routine.

Grow tent tips to try before you buy

What kind of living space do you have? Before purchasing a grow tent, you must first determine the size of your growing space as well as the size of the tent that will physically fit in it. If you choose a grow tent that is too large, you may find yourself spending more money than necessary on heating, lighting, and other hydroponic equipment. If you choose a container that is too tiny, it may get congested, resulting in an environment that is not suitable for mature plants. What kind of hydroponic equipment are you planning to use?

  • However, it is important to account for additional space required for grow lights, heaters, humidifiers, fans, extractors, and other equipment.
  • This will have a direct impact on the sort of tent that you select.
  • How many grow tents do you think you’ll require?
  • We propose utilizing two plants for the best results – one for propagation and another for the vegetative development and blooming stages of the plant.
  • No matter what size you desire, the grow tent you select will always be determined by your financial constraints.

Cheap grow tents may be less expensive, but investing a little more money may frequently result in a tent that lasts longer and produces more crops, making it a better long-term investment.

How much grow tent space do I need per plant?

THC producers frequently cultivate pot plants in a broad range of sizes – from little seedlings to large, high-yielding plants – to maximize their yields. A decent rule of thumb to use when determining how much room you’ll need in a grow tent is to give 10 litres of soil for every foot of plant height. Do not forget to leave some additional space between the items on your shopping list! Grow bags in the sizes of 25 litres and 50 litres are the most regularly available. However, the branches of a plant will most likely extend roughly 13cm to 15cm beyond the edge of the pot (on all sides).

What grow tent shape and size should I buy?

Once you’ve established what you want to accomplish with your layout, it’s time to figure out what size (and shape) grow tent would work best for your situation. The maker of the grow tent is the most reliable source of information on grow tent size, and this information is generally included in the thorough product description. Assuming that each plant occupies 120cm2 of area (in a 15-litre or 30-litre grow bag), the following rules demonstrate how many plants you might potentially cultivate in that amount of space.

What size grow tent for 2 plants?

Small Square Base Grow Tents – 80 x 80 x 160cms (W x D x H): This tent is ideal for beginners since it has enough space for two mature plants that are around 5ft tall.

What size grow tent for 3 plants?

The following measurements are for small rectangular base grow tents: 120 x 60 x 150cms (W x D x H): This grow tent size is slim and designed primarily for tiny settings, and it can easily accommodate three fully-grown plants or eight lesser plants.

What size grow tent for 4 plants?

Growing on a Medium Rectangular Base Grow Tents – 120 x 120 x 200cms (width x height): This grow tent size, which is somewhat higher, offers enough space for four mature plants or sixteen lesser plants.

What size grow tent for 8 plants?

Rectangular Grow Tents with a Large Rectangular Base (240 x 120 x 200cms (W x H)): It’s one of the bigger grow tents available on the UK market, making it an excellent choice for professional growers seeking a higher output. Should be able to accommodate eight full-size plants or 25 smaller plants with ease.

What UK grow tent sizes are there?

There are more than 30 distinct variations of this product available in the United Kingdom, all of which are designed to promote ideal growth conditions. THC is delighted to carry and supply grow tents from the industry’s premier manufacturers, including Secret Jardin,Bloomroom,Gorilla Grow Tents, and Green Qube Grow Tents, among others. A solution to meet any budget is available from low-cost grow tents for beginning growers to high-tech reflective sheeting for the creation of an industrial-strength grow room.

Our Top THC Grow Tents
Size (W x D x H) Price Name Best for? See online now!
90cm x 60cm x 90cm £52.96 Secret Jardin DP90 grow tent Cheap and perfect for beginners with small plants.
90cm x 60cm x 90cm £124.96 Probox Propagator large grow tent Tall, thin spaces and growing seedlings or young plants.
120cm x 120cm x 200cm £139.96 Secret Jardin DR120 grow tent An affordable all-rounder with decent amount of space.
120cm x 120cm x 180cm £198.95 Bloomroom attic standard grow tent Attic growers who need space for a small grow and privacy.
240cm x 120cm x 180cm £319.96 Bloomroom attic large grow tent Attic growers who need privacy and room for a medium grow.
300cm x 300cm x 235cm £529.96 Bloomroom tower giant grow tent Freestanding, ideal for garage or bedroom, plenty of space.
180cm x 220cm x 240cm £569.95 Mammoth Gavita HC G2 grow tent Large grows with separate spaces for growthbloom stages.
600cm x 300cm x 220cm £889.96 Gorillabox deluxe grow tent Massive grows where year-round production is top priority.

A total of more than 30 distinct varieties are available in the United Kingdom, all of which are designed to provide ideal growth conditions. Secret Jardin, Bloomroom, Gorilla Grow Tents, and Green Qube Grow Tents are just a some of the top-quality grow tents that we proudly carry and supply at THC.

We have a solution to fit any budget, ranging from low-cost grow tents for novices to high-tech reflective sheeting for establishing a professional grow room environment. View our best-selling THC grow tents right now.

What Size Grow Tent for 2,4,6,9, 12, 20 Plants?

A grow tent enables you to create an indoor garden to compensate for the lack of outside area that you may have. When I originally decided that I wanted to put up a grow tent, I was perplexed as to what size grow tent I should get for 2, 4, 6, 9, 12, and 20 plants. In order to start a successful indoor garden, the very first and most significant decision to be made is the size of the grow tent to be used. Based on my own personal experience, I’ve discovered that a very little or extremely large tent may not be the best choice for the objective of your indoor garden, which is to cultivate healthy plants while increasing production.

Grow Tent Size vis-à-vis Number of Plants

Obtainable from: A variety of forms and sizes are available for grow tents to suit your needs. The square and rectangular grow tents are the most common shapes for growing plants. Some grow tents are available in a variety of heights, including high, low, and adjustable. How do you determine the appropriate size grow tent when there are so many options? This advice is recommended by the majority of expert indoor gardeners and grow tent manufacturers for use in selecting the appropriate size grow tent for the amount of plants you intend to grow.

On the other side, an inadequately sized grow tent will not provide an optimal growth environment for your plants since, once grown, your plants may get congested.

Factors to Consider in Choosing the Right Size Grow Tent

When determining the most appropriate grow tent size for the amount of plants you intend to cultivate, a lot of considerations must be taken into account.

1. Type of Plants

Different plants are of varying heights and widths. The stem diameter, the leaf height, and the structure of the leaves are used to calculate their sizes. If you have a grow tent of a certain size, you must estimate how many plants may be comfortably accommodated in it depending on the miniature size of the plants. A packed grow tent will have an adverse effect on the appropriate circulation of air and amount of light within the tent, as well as the general growth of the plant in its natural environment.

2. Cultivation Strategies

The image is from of The amount of plants you can accommodate within a grow tent will be affected by whether you harvest continuously or grow plants in cycles. Make a decision on whether you want to cultivate your plants in a single tent until they are ready to harvest. As a continuous harvester, you would most likely need distinct tents for the vegetative, blooming, and harvesting stages of plant development. The same size tent will be able to accommodate a varying number of plants at different stages of development.

If you are interested in producing little plants that will be harvested often, a larger number of plants will fit within your grow tent.

The amount of plants that will fit within the same-sized tents may vary according on how you intend to grow your plants, as well as the containers, hydro system, and lights that you employ.

3. System Selection

The choice between a soil-based and a hydroponic system will also have an impact on the number of plants that can be comfortably accommodated in a grow tent. Since the plants in a hydroponic indoor garden do not have to fight for light and water, you will be able to place them closer to one another in a hydroponic tent than you would in a soil-based system. As a result, more plants can be grown in a hydroponic tent of the same size as they can in a soil-based tent of the same size.

4. Power Sources Available

Obtainable from: growweedeasy Grow tents require a great deal of light. The majority of homes can accept 100 amp services with breakers for 15, 20, and 24 amps, respectively. Some homes, on the other hand, are designed with a higher amp service. In this case, a 2′ x 4′ grow tent can accommodate up to four plants, but in certain households, only two or three plants are practical. The number of plants that can be grown in a tent is determined by the amount of power available for the grow lights.

As a general rule, light with a wattage of 600-1000 is good for four fully developed plants.

5. Available Space

According to Many beginning indoor gardeners begin by deciding on the number of plants they desire to cultivate, selecting the appropriate size grow tent, and determining where they will place the tent to begin growing their plants. It is crucial to first evaluate whether or not you have the necessary room within your home to put up the tent before proceeding in this direction. The grow tent should be a few inches or two feet smaller than the available area in order to make setup and maintenance easier and more convenient.

It is possible that certain components of the grow tent will be located outside of the tent, in which case you will need to provide for more room than the actual tent size.


When evaluating the number of plants that may be grown in a given size grow tent, there are a variety of elements to consider. While there is a general guideline or manufacturer’s recommendation, the type of plant you are growing, the type of system you are using in your tent, the cultivating method, and the amount of electric power available will all influence the number of plants that can be accommodated in a particular tent. A grow tent provides the optimal growth environment for your plants, allowing them to develop healthy and robust, resulting in increased production.

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