Quictent 20x10x6.6FT Tunnel Greenhouse for Outdoors with 2 Hinged Doors

The Quictent 20x10x6.6FT Tunnel Greenhouse provides a spacious growing environment designed to protect vegetables, seedlings, and flowers throughout all four seasons. Spanning nearly 20 feet in length and over 6.5 feet in height, this walkthrough structure gives gardeners ample room to work comfortably inside while protecting plants from cold weather, sun damage, and unwanted pests. It is ideal for backyard growers who need a high-capacity shelter that extends the early spring and late autumn growing windows.

A major feature of this model is its dual hinged door frame system, which replaces standard zippers with rigid, lockable doors that swing open 180 degrees. This wide opening allows for easy entry when carrying soil bags, wheelbarrows, or bulky garden tools. The frame itself is constructed from upgraded 0.7mm thickened galvanized steel for rust resistance, supported by spiral ground stakes. To handle winter conditions, the top structure includes four to five extra crossbars specifically designed to prevent water pooling and snow accumulation.

Plant health is supported by a reinforced 150GSM PE mesh cover that allows 85 percent of sunlight transmission while incorporating a UV inhibitor to prevent sun degradation. High-stress points feature Oxford seam reinforcement to resist tearing. For ventilation, the structure includes eight mesh screen windows with full-perimeter velcro seals, allowing growers to adjust airflow while keeping pests out. Additionally, an 8-inch overlong cover skirt can be buried directly in the surrounding soil to seal in heat and anchor the greenhouse against strong winds.

There are a few design factors to keep in mind before purchasing. With overall dimensions of 236.2 inches long by 118.2 inches wide, this greenhouse requires a large, flat outdoor area and is not suitable for smaller yards or patios. Securing the structure properly also requires manual labor, as burying the 8-inch extended skirt in soil and driving spiral ground stakes are necessary steps for maximum wind resistance. Furthermore, the listing does not mention any included interior shelving or hanging accessories, so growers will need to supply their own tables or staging.

Verdict: This tunnel greenhouse is a practical choice for dedicated gardeners who want a durable, walkthrough growing space for year-round plant protection. Its combination of rigid hinged doors, reinforced steel top bars, and sealable mesh windows makes it particularly well suited for extended seasonal growing.

• Dimensions: 236.2" L x 118.2" W x 78.8" H
• Frame Material: 0.7mm thickened galvanized steel with 4-5 top crossbars
• Cover Material: 150GSM tear-resistant PE mesh with UV inhibitor
• Sunlight Transmission: 85%
• Doors: Dual 180-degree lockable hinged doors
• Ventilation: 8 mesh screen windows with full-perimeter velcro seals
• Anchoring: Spiral ground stakes and 8-inch extendable bottom cover skirt

A great fit if you:

• Need a spacious walkthrough shelter for vegetables, flowers, or seedlings across all seasons.
• Prefer rigid, lockable hinged doors over traditional zippered door openings.
• Live in areas with winter weather or strong winds that require reinforced frame crossbars and spiral ground stakes.

Consider something else if you:

• Have limited outdoor yard space that cannot accommodate a 20 by 10 foot footprint.
• Want a compact greenhouse setup that does not require burying extended cover skirts in soil.

How do the doors open and secure?
The greenhouse features dual hinged doors that open 180 degrees for easy access with garden tools. The door frames are rigid and lockable to protect your plants and stabilize the structure.

How does this greenhouse handle snow and wind?
The top frame includes four to five extra crossbars to prevent snow and water buildup. Stability in wind is provided by 0.7mm galvanized steel tubing, spiral ground stakes, and an 8-inch cover skirt that buries in the soil.

What level of light and ventilation does the cover provide?
The 150GSM PE mesh cover allows 85 percent of sunlight transmission and includes a UV inhibitor. Airflow is controlled through eight mesh screen windows sealed with full-perimeter velcro.

What warranty or support comes with the greenhouse?
Quictent offers lifetime replacement for parts like connectors and stakes, plus 365-day complimentary replacement for main components including covers, frames, and poles.