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Outsunny 20' x 10' x 7' Deluxe High Tunnel Walk-in Garden Greenhouse Kit - White

4.8 61 Reviews
$199.99 $319.99
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Select: White, 20"


  • - LARGE WALK-IN GREENHOUSE: An ideal way to extend your growing season while easily managing your plants and protecting them from extreme temperatures. Two installation methods: Set it on a hard surface or anchor it into soft soil.
  • - HEAVY DUTY STEEL FRAME: Solid steel construction with a galvanized finish which is resistant to rust chipping and peeling. Also equipped with 4 slant bracing tubes a front cross bar and middle reinforced tubes for enhanced stability.
  • - TRANSPARENT PLASTIC COVER: The tough durable and transparent PE plastic cover protects plants while allowing nourishing sunlight to pass through. The cover can be easily attached to the frame with the included tethers and single-sided tape.
  • - 8 ROLL-UP SIDE WINDOWS: The eight roll-up windows have mesh netting to allow for cross ventilation and climate control.
  • - ROLL-UP FRONT ENTRANCE: A large zipped roll up door provides easy access to the inside and can be attached to the top in order to stay open. You can easily anchor the greenhouse into the soil and add stability with the 4 screw ground stakes 4 supporting rods and an overhanging cover.


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Are you a home gardening enthusiast looking for a way to stay in the soil year round? Our Outsunny high tunnel walk-in 10x20 greenhouse offers the protective setting you crave without the need to spend exorbitant amounts of money. The PE mesh cloth cover keeps your crops at the perfect temperature and is reinforced by a sturdy powder coated steel tube frame. The perfect solution for the real gardener out there who wants to keep their plants healthy throughout both the hotter and colder months of the year.


  • - Ideal for cultivating plants flowers and landscapes efficiently and quickly in all seasons
  • - Protects crops from cold frost and hail in winter and stimulates growth in spring and summer
  • - Powder-coated reinforced galvanized steel frame for long-lasting durability
  • - Made of a durable tear-resistant and well ventilated PE plastic cover
  • - 4 slant bracing tubes middle reinforced bars and front cross bars for enhanced stability
  • - 4 supporting rods 4 screw ground stakes and overlong cover add extra stability to the structure
  • - 8 roll-up side windows for cross-ventilation climate control
  • - Zipped roll-up door provides easy access to the inside and can be attached to the top to stay open
  • - Includes tethers and single sided tape to attach the cover to the steel frame


  • - Material: Steel Frame PE Cover
  • - Net Weight: 74.8lbs
  • - Color: White
  • - Overall Dimension: 19.75 ft x 9.75 ft x 6.75 ft
  • - Mesh Window Size: 17.25" L x 19.75" W
  • - Door Size: 68.5" W x 65.75" H
  • - Pole Diameter: 25mm (0.9842 inches) 
  • - Redundant Cover Width: 4" (directly put on the floor) 8" (anchor into the floor)
  • Accessories:
  • - 4 x Screw-Type Ground Stakes
  • - 4 x Pull Ropes
  • - 12 x Tether Balls
  • - 2 Rolls of Single-Side Tape
  • Color White
  • Size 20"
  • Brand Outsunny
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if i purchase this kit .. will i be able to buy replacement plastic .. seperate for future recovering
By Jon Schwartzlose on 2021-09-22
Regretfully, at this time we are not able to sell individual parts for any of our items other than the few that are available directly on our website; such as couplers and sun-shade installation kits.
Do you have any high tunnels that measure 12’wide and 10’ long
By Michael on 2021-09-09
Sorry, we do not have the one you requested.
what is the warranty ? are there replacement covers ?
By Matt Thomas on 2021-09-06
During the first 30 days we accept returns for a full refund for any reason, the warranty covers all costs associated to replacements and part(s) services. Regretfully, at this time we are not able to sell individual parts for any of our items, if you believe your order is within it’s warranty period, please let us know the nature of the issue that requires a replacement part and any order information you have available for us to confirm the warranty.
I have this greenhouse and I was wondering if a cover for it can be bought separately?
By Kathy B. on 2021-09-29
At this time we are not able to sell individual parts.
How long does it take to set up?
By teejay on 2021-09-28
It normally takes around 2 hours for 2 people to put together.
Based On 61 reviews

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Aosom C...
Cover is really well made
The cover is really sturdy. The velcro on the windows is sturdy and the windows close up very nicely. The metal frame was not quite as sturdy as I would have liked. Though I intend to take the cover off for winter, I plan to leave the frame up so I painted it with rust-oleum paint which made the frame more rust resistant and I believe sturdier.
Great product, Terrible process.
Once you actually get the thing up, it's worth the budget price. However, it is an absolutely PAIN in the BUTT to set up!!
I add some wood to make it all hold up and last longer.
Works well if you build a solid structure with it
It works perfect for my needs. Living in Florida airflow is a necessity. I secured the bas to wood. I need 2 more but the price increased so I'll wait.
You may want to use different anchors but otherwise it's a good value.
I bought this as a gift for someone. They had no problems setting it up, although they opted to skip the included anchors, which seemed pretty small. They made their own out of steel rebar. So far it's held up to some pretty high winds with no issues. It's nice and roomy and will give them plenty of usable space for their garden.
Amy I...
not just for plants.
Not just for plants! I have used this greenhouse as a gathering spot during Covid times. It has worked out wonderfully! I read all of the reviews about it not standing up to win very well, so I bought some very inexpensive cinderblocks and ratchet straps to hold it down. We have had some EXTREMELY windy storms of late. It held up just fine. It took me many, many hours to put the frame together. However, with the use of some chairs to prop things up, I was able to do it on my own. I had one friend help me put the plastic over the frame. It is a wonderful, cozy little gathering spot.

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