Backyard Discovery Willow 9' x 6' Cedar Wood and Polycarbonate Walk-in Greenhouse Kit with Exhaust Fan, Windows, Hose Hook-Ups, PowerPort, Staging Shelves for Year-Round Outdoor Gardening

The Backyard Discovery Willow 9' x 6' Walk-in Greenhouse Kit provides a dedicated, climate-controlled space for outdoor gardening year-round. Built around a 100% cedar wood frame with a light brown stain, this kit delivers 54 square feet of interior growing area. It solves the challenge of protecting delicate seedlings, flowers, and vegetables from severe winter weather while keeping routine maintenance hassle-free.

Insulation and climate control are central to this model's design. The commercial-grade 4-wall polycarbonate roof and window panels improve heat retention by 30% compared to standard double-wall polycarbonate, keeping warmth inside during cold snaps. For warmer days, an integrated temperature-activated exhaust fan offers forced ventilation, working alongside an easy-open window that allows natural air circulation and helps with pollination.

Inside the greenhouse, practical conveniences simplify everyday gardening tasks. A built-in workstation is surrounded by 13 linear feet of fixed staging shelves, offering plenty of space to organize pots, trays, and tools. Dual interior and exterior hose hook-ups make watering efficient, eliminating the need to snake long hoses through doorways. Additionally, a patented PowerPort provides three standard electrical outlets and three USB ports to run heat mats, grow lights, or accessories right where you need them.

There are a few practical considerations to keep in mind before setup. The unit requires an external power source to operate the electrical ports and exhaust fan, as a main connection cord is not included. Achieving the rated wind resistance of 100 mph and snow load capacity of 2,800 pounds (or 30 inches) requires anchoring the greenhouse strictly according to the instruction manual. Lastly, because cedar is a natural wood, stain saturation may vary slightly across individual wooden components.

Verdict: The Backyard Discovery Willow greenhouse is an excellent choice for dedicated home gardeners who want an all-in-one shelter with built-in power, water access, and automated temperature control. Its sturdy cedar construction and high-retention polycarbonate panels make year-round cultivation convenient and reliable.

• Dimensions: 9 ft x 6 ft (54 sq ft interior space)
• Frame Material: 100% Cedar wood with light brown stain
• Glazing Panels: Commercial-grade 4-wall polycarbonate
• Shelf Space: 13 linear feet of fixed staging shelves
• Wind Rating: Up to 100 mph (when anchored per manual)
• Snow Load Capacity: Up to 2,800 lbs or 30 inches of snow
• Power Access: PowerPort with 3 AC outlets and 3 USB ports
• Water Hook-ups: Exterior and interior hose connections
• Ventilation: Temperature-activated exhaust fan and 1 openable window
• Warranty: 5-year warranty

A great fit if you:

• Want to grow plants year-round with improved panel heat retention
• Need integrated power outlets and hose connections inside your greenhouse
• Prefer built-in shelving and a dedicated workstation for organizing pots
• Live in areas prone to high winds or heavy winter snow loads

Consider something else if you:

• Do not have access to an external power source for the built-in PowerPort
• Lack the outdoor ground space required for a 9 by 6 foot footprint

How durable is the greenhouse frame under extreme weather?
The greenhouse is Pro-Tect tested to withstand winds up to 100 mph and support a snow load of up to 2,800 pounds or 30 inches of snow, provided it is anchored according to the instruction manual.

Does the greenhouse come with power included?
The greenhouse features a built-in PowerPort with three electrical outlets and three USB ports, but an external power source is not included and must be supplied separately.

How does the ventilation system work?
It combines a temperature-activated exhaust fan for forced ventilation with one easy-open window for natural air movement and plant pollination.

How is the greenhouse assembled?
All cedar pieces come pre-cut, pre-drilled, and pre-stained. Assembly instructions are provided step-by-step through the interactive BILT mobile app.