Choosing the best size tent for 2 plants is easy once you know what cultivation technique you plan on using to grow your plants.
In the following article, we’ll go over what size grow tent you’ll need for two plants for multiple growing styles including Sea of Green, Topping, Low-Stress Training, and Screen of Green.
If you just want to know what the Best 2 Plant Grow Tent Kit is here are our top recommendations:
Best 2 Plant Grow Tent Kits
What Size Grow Tent for 2 Plants
What size grow tent do I need for 2 plants? A 2′ x 2′ Grow tent is the minimum size grow tent you’ll need to grow two plants using the Sea of green technique. A 2′ x 4′ grow tent, or a 4′ x 4′ grow tent would be a better choice if you plan on using the Screen of Green Technique.
Sea of Green: 2′ x 2′ Grow Tent
Screen of Green: 4′ x 4′ Grow Tent
Topping: 4′ x 2′ Grow Tent
Low-Stress Training: 2′ x 3′ Grow Tent
Sea of Green – 1 sq/ft per plant
The sea of green technique requires one square foot of space per plant. That means you’ll need a small grow tent with at least 2 sq/ft of space for two plants. You usually won’t find tents this small, so it’s a good idea to get a 2′ x 2′ Grow Tent if you plan on using the sea of green technique.
Best Grow Tent for 2 Plants – Sea of Green
MARS HYDRO Grow Tent Kit Complete TS600W LED Grow Light 2x2ft Full Spectrum 24″x24″x55″ Hydroponics Grow Tent
The MARS HYDRO Grow Tent Kit 2x2ft (Buy Online) is the best tent for 2 plants if you plan on using the sea of green technique. This grow tent kit includes a 2′ x 2′ small Grow Tent, 600-Watt MARS HYDRO LED Grow Light, Light Timer, Hygrometer, YOYO Hangers, 4-inch Inline Fan, and a 4-inch Carbon Filter.
VIVOSUN 2-in-1 48”x36”x72” Mylar Reflective Grow Tent for Indoor Hydroponic Growing System
The VIVOSUN 2-in-1 48”x36”x72” Mylar Reflective Grow Tent (Buy Online) is a two-chamber grow tent. This grow tent is perfect for growing plants using the sea of green technique. You can keep vegetative plants and clones in one chamber, and flowering plants in the larger side of the tent.
Screen of Green – 4-6 sq/ft per plant
Each plant will need 4-6 sq/ft of space if you plan on using the screen of green technique. That means you’ll need 8-12 sq/ft of space to grow two plants. A 4′ x 4′ Grow Tent is the minimum size tent you’ll need to grow 2 plants using the screen of green technique. While a 4′ x 3′ Grow Tent would be a better choice if you plan on growing larger plants
Best Grow Tent for 2 Plants – Screen of Green
MARS HYDRO Grow Tent Kit CompleteTSW 2000W Led Grow Light 4x4FT Full Spectrum, 48″x48″x80″ Hydroponics Growing Tent
The MARS HYDRO 4x4ft Grow Tent Kit (Buy Online) is the best 2 plant grow tent kit. This grow tent kit includes a 48” x 48” Grow Tent, 2000-Watt Dimmable MARS HYDRO LED Grow Light, Light Timer, 4-inch Inline Fan, Fan Ducting, Fan Speed Controller, and a 4-inch Carbon Filter.
BloomGrow 1200W LED Full Spectrum Professional Grow Light Strips + 32”x32”x63” 600D Mylar Grow Tent Room
The BloomGrow 1200W LED Grow Tent Kit (Buy Online) is a medium-sized grow tent that’s a step up from a small 2′ x 2′ grow tent. This grow tent kit includes a 3′ x 3′ x 5.25′ Grow Tent, 1200W LED Grow Light, 4-inch Inline Fan, Premium Carbon Filter, Aluminum Ducting, Mechanical Timer, Ratchet Hangers, and a Hydrometer. This grow tent kit also comes with a heavy-duty polyester net that can be used to train your plants using the screen of green technique.
Topping – 2-4 sq/ft per plant
If you plan on topping your plants then each plant will need 2-4 sq/ft of space. That means you’ll need a 4-8 sq/ft grow tent to grow two plants since they will have more lateral branching and a wider canopy.
Best Grow Tent for 2 Plants – Topping
Gorilla Grow Tent Shorty | Complete Heavy-Duty 1680D Reflective Hydroponic 2-Foot by 2.5-Foot Grow Tent
The Gorilla Grow Tent Shorty (Buy Online) is one of the best small grow tents on the market. The gorilla grow tent measures 2′ x 2.5′ x 5′, and it’s made of heavy-duty 1680 Denier Nylon. The gorilla grow shorty is great for areas with low ceilings, and you can even increase it’s height up to 10-feet with extension kits.
Low-Stress Training – 2 sq/ft per plant
Using the low-stress training method you’ll need to provide each plant with 2 sq/ft of space. That means you can get away with using a 2′ x 2′ Grow Tent with low-stress training, but a 3′ x 3′ Grow Tent would be a better option if you can spare the extra space.
Choosing the Right Size Grow Tent
Plant Size
Plants have different sizes and shapes depending on their genetics. The size of a plant’s stem, leaves, and its overall height will all be things you need to consider when you choose a grow tent.
Some plants will reach a greater mature height than other plants, which might require that you get a taller 72-inch grow tent instead of a more compact 63-inch grow tent.
Also, some plants can have a wider canopy that can crowd out neighboring plants, which can limit light penetration and air circulation.
To avoid this problem you’ll need to get a grow tent that is big enough to allow for enough space between each plant.
Type of Light
The type of light you use will also dictate how you size your grow tent. High-Pressure Sodium and Metal Halide lights will require a larger tent than LED Grow Lights.
This is primarily due to the fact that HPS and MH lights produce a lot of heat that can be hard to dissipate in a smaller space.
HID lights also need to be placed high above the plants to avoid the risk of damage due to the intense light and heat they emit. That means you’ll need to get a taller 72-inch tent if you plan on using a Metal Halide or a High-Pressure Sodium Lamp.
Hydroponics vs Soil
Plants grown in soil will need more space than plants grown in a hydroponic system. In most cases, a plant grown in soil will need 1.5x more space than a similar plant grown in an Ebb and Flow Hydroponic System or a Deep Water Culture System.
Ventilation
A larger grow tent will need a more powerful ventilation system to handle odors and exhaust excess heat. That means you’ll need to size your fan and carbon filter accordingly to match the size of your grow tent.
A smaller 2′ x 2′ grow tent for 2 plants will usually only need a 4-inch inline fan. However, if you get with a 4′ x 4′ grow tent you might need to upgrade to a 6-inch fan and carbon filter to handle the larger volume of air in the tent.
Space Constraints
If you live in a small house or apartment then you’ll most likely have a limited amount of space for a grow tent. That means you’ll want to get the smallest grow tent possible, while still providing enough space to grow healthy robust plants.
A small 2′ x 2′ grow tent would be your best option if space is limited. You could use the sea of green technique in that case to maximize the yield you get from a small grow tent.
If you have more space then a 4′ x 4′ grow tent would be a better option since you can grow just a couple large plants, which can help you avoid all the extra effort it takes to maintain the sea of green technique.
Conclusion
This article has addressed some of the things you should consider when choosing the right size grow tent.
However, there are still lots of personal factors like your climate, electricity costs, living arrangements, and your stamina/health that you’ll need to factor into your final decision.
The key takeaway is that a grow tent needs to be properly sized to provide ideal growing conditions for your plants. When you get this right it will result in healthier plants that will provide a bountiful harvest for years to come.
How Many Plants Per Square Foot Indoors
Best Size Tent 2 Plants – 2′ x 2′ Grow Tent
Best Size Tent 4 Plants – 2′ x 4′ or 3′ x 3′ Grow Tents
Best Size Tent 6 Plants – 4′ x 4′ Grow Tent
Best Size Tent 9 Plants – 4’ x 8’ or 5′ x 5′ Grow Tents
Best Size Tent 12Pplants – 5’ x 9’, 8′ x 8′ or 10′ x 10′ Grow Tents
Best Size Tent 20 Plants – 8’ x 16’ Grow Tent
