The 9 Best Grow Tents
Updated by · How we research
Nine grow tents, from closet size to ten feet long, compared on light seal, frame strength and height. The Vivosun S448 suits most home growers. When users buy our independently chosen editorial picks, we may earn commissions to help fund the Wiki.
Height is the measurement first-time growers most often get wrong. A six-foot tent loses a lot of room once pots sit on the floor and a light hangs from the roof, so growing guides steer buyers toward tents close to seven feet tall. These picks suit home growers starting seedlings, herbs, vegetables or houseplants indoors.
Editor's Notes
November 1, 2026, by Ezvid Wiki Admin:
The Vivosun S448 survived from the old version of this page and now leads it. A four-foot-square tent at its price, from a maker with years of owner history, is what most home growers need. Almost everything else had gone. The Gorilla GGT88, TopoLite Full Range, Quictent SGS and Ipower 36x36 are unavailable, we could no longer find the Opulent Systems Garden, Hydroplanet Mylar or Vivosun Cube for sale, and the TopoGrow D-Door is a generic tent with patchy seams. We swapped the old Mars Hydro for the Mars Hydro 4x4 Advanced.
The new list runs by size, from the Vivosun S224 for seedlings to the Vivosun S105 for a garage, with the Spider Farmer 4x4 and AC Infinity Cloudlab 642 for sturdier frames and better zipper covers. The only side-by-side light measurement of tent linings we found was run by Vivosun itself, so we gave it little weight and leaned instead on pole, cloth and zipper specs, sizing advice from growing guides, and the complaints owners repeat most, which center on light slipping in around zippers.
December 10, 2020:
We have added four new indoor grow tents to the previous list. Although there have been many innovations in the indoor growing industry over the last few years, the tents have remained basically the same, so most have been added for issues of availability or simply replace older models. That said, the addition of all-metal connectors and stronger poles means that the latest tents are more durable. We have also tried to offer a list of differently sized units to accommodate growers with less space available.
The Mars Hydro is a quality product that was added to replace the Apollo Horticulture which was not as available and a little outdated. It boasts extra-thick mylar, a steel frame and connectors, and light-proof zips. It is also excellent value. The Vivosun Cube was added as a great choice for people who want to use attic-space for their setup, as it has a peaked roof to maximize interior volume in what can be a difficult exterior space to erect a grow tent.
We added the Quictent SGS to replace the previous model for availability issues. It is strong for its size, and is SGS approved which means that heat and light will not affect the tent material, which can sometimes emit gases that can be harmful to certain plant species. It is also available in multiple sizes. The Ipower 36x36 is an affordable simple growing solution. Although smaller than many other choices on the list, it has all the important features you need to get started, including dual-sleeved duct ports and a viewing window.
May 01, 2019:
Having a controlled grow environment will maximize your chance of germinating your plants and bringing them to maturity. A good tent will help take chance out of the equation by providing your plants with a stable, predictable environment to thrive in. The products on our list all achieve the necessary functions: they allow you to situate your seedlings indoors, where you can easy regulate the temperature; they help control and adjust the amount of light and ventilation; and finally, because they're sealed, they protect your horticultural specimens from pests and contaminants. With that said, variations in the price between competing tents are the result of important differences in features. For example, the thickness and density of the canvas used is important, both because it prevents external light from leaking in, and because a tear in the fabric can turn a functional nursery into a useless one. With an ultra-high denier count of 1680, the costly Gorilla GGT88 reflects the superiority of its material in its price. Another important feature is the reflectivity of the internal mylar. The more reflective it is, the higher the light's efficiency, cutting down on the amount of electricity needed. The Opulent Systems Garden, for example, uses an impressive 98% reflective Mylar. However, this particular model is a bit lacking in ventilation. Finally, there's the matter of sizing. Finding a unit with dimensions to fit inside your home can be tricky, but many of our picks offer various sizes to accommodate your needs.
Special Honors
Gorilla Grow Tent Gorilla Grow Tent makes heavy-duty tents in the U.S. with thick canvas, sturdy zippers and height extension kits that let the frame grow with the plants. Owners on grower forums treat it as the premium choice. It sells direct, at several times the price of the tents above, and its store showed sizes sold out in early November, so check stock before you plan around one. gorillagrowtent.com
Size It By Plants And Light, Then Add Height
Pots, a tray and the light's hanging gear eat a foot or more, and most lights need some space above the leaves.
Work out how many plants you want and what light will run them, then pick the tent. The grow tent guide at Grow Weed Easy pairs a two-by-two-foot tent with an LED of up to about 100 watts, a two-by-four with roughly 200 to 300 watts, and a four-by-four with up to about 650 watts. A four-foot-square tent holds three or four large plants in big pots; a three-foot-square tent holds one or two.
Height is the part buyers skimp on. Pots, a tray and the light's hanging gear eat a foot or more, and most lights need some space above the leaves. The same guide treats four to five feet as a working minimum and about seven feet as the comfortable choice, which is why most four-foot tents stand 80 inches tall. If you can, buy one size bigger than you think you need, advice that comes up again and again in grower forums. Measure the doorway too: the poles and box have to get into the room, and the tent needs a few inches of clearance on each side for ducts and zippers.
Light Leaks, Zippers And Frames
Most grow tents look alike on paper, and the differences that matter are small parts. Zippers are the usual failure point. Light can slip in where the zipper meets the cloth, which matters for plants that need a long, unbroken dark period. Flaps that fold over the zippers, or a strip of cloth sewn over the stitching, help. Whatever you buy, stand inside with the lights off on a bright day, or outside with the grow light on at night, and tape or patch any pinholes.
The frame sets what you can hang. Tents here list hanging loads of about 100 to 160 pounds per bar, and pole diameter runs from about 16 millimeters to a full inch. Metal corner joints hold up better than plastic ones. Reflective linings are hard to judge: fabric deniers and "100 percent reflective" mylar are maker claims. The one measured comparison we found, published by Vivosun using light-meter readings at 32 points per tent, scored most linings close together and AC Infinity's lower; treat it as a maker's test. An older roundup at Reviewed also found that thicker poles do not guarantee better stitching.
A Tent Is Only The Shell: Air, Power And Safety
Budget for what goes inside. A light, an exhaust fan, ducting and often a carbon filter cost more than the tent. Grow Weed Easy suggests a six-inch fan is plenty for a two-by-four tent, while lights of 600 watts and up call for a fan moving about 390 cubic feet per minute. Put the carbon filter at the start or end of the duct run, not in the middle, keep every joint airtight, and let fresh air in through a port that blocks light. Walls that bow slightly inward mean the fan is pulling the right way.
Power is the real hazard in a damp, closed space. Plug lights and fans into a grounded outlet protected by a GFCI, don't chain extension cords or overload power strips, keep cords and any heater away from the fabric, and keep a working smoke alarm in the room. Tent cloth blocks light; none of the tents here lists a flame rating. We found no recalls for these brands in the CPSC SaferProducts database. A tent is legal to own anywhere, but what you grow is not: cannabis growing is banned or capped in many states and countries, so check local law first.
How we researched this
We screened about 60 tents and tent kits in current search results, compared 18 tents in detail, and read the makers' specifications for the nine finalists. We weighed sizing and ventilation advice from growing guides, one maker-run light-meter comparison of tent linings, patterns in owner feedback, and U.S. Consumer Product Safety Commission recall records for every brand.
Frequently asked questions
Should I buy a tent kit or just the tent?
A tent alone costs less and lets you choose your own light, fan and filter. Kits save time but often pair a good tent with a weak light or fan. If you already know the light you want, buy the tent separately.
What size grow tent is best for a beginner?
A two-by-four or three-by-three tent suits one or two plants and runs on a modest light. Pick a four-by-four if you want three or four large plants and have the floor space.
How tall should a grow tent be?
Close to seven feet when you can. Pots, trays and the light's hanging gear take a foot or more, so a six-foot tent fills up fast with tall plants.
Are Gorilla grow tents worth the price?
They are heavy-duty and made in the U.S., with height extensions, but cost several times as much as mainstream tents. Most home growers do fine with a cheaper tent and a careful light-leak check.
Can a grow tent go in a garage or closet?
Yes, if there is space for air to flow around it and a safe outlet nearby. Garages run hot and cold, so you may need a heater or extra fan. Keep cords and any heater clear of the tent cloth.
