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Rion Grand Gardener 8' x 20' Greenhouse - Twin Wall

Regular price $5,999.00
Regular price $4,569.00 Sale price $5,999.00
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Shipping Price Match Returns Why Choose Planet Greenhouse?

🌎 The Grand Gardener 2 Twin-wall is made with a heavy-duty extruded resin frame for improved insulation and durability. Virtually unbreakable twin-wall polycarbonate glazing creates a comfortable growing environment and diffuse light for even plant growth.  You'll receive Free Shipping and Pay Zero Sales Tax on all Grand Gardener Greenhouses.  Contact our expert customer service team today. 

🌎 The translucent, twin-wall polycarbonate panels also create a superb, lightweight insulation. The weatherproof frame on the Grand Gardener 2 features simplified assembly with the pin & lock system while the roof panels now simply slide into place. A barn-style roof design provides ample headroom and gives you more space to garden. Double doors allow easy access and provide excellent ventilation. Included roof vent provides additional ventilation. Secure to concrete pad or heavy timber foundation. Optional base kit may be added for additional height and extra stability.


  • Virtually unbreakable 4 mm thick twin-wall polycarbonate roof panels and 6 mm twin-wall side panels are 100% UV protected and high impact resistant

  • Heavy-duty resin frame improves insulation and creates extra durability for many years to come

  • Barn shape design creates high headroom and a larger gardening space

  • Heavy duty resin frame improves insulation and creates extra durability for many years to come 

  • Double doors provide excellent ventilation when opened and allow easy entry and exit 

  • Fouir roof vents helps you maintain heat and humidity in your greenhouse as needed



Model: HG7220
Limited Warranty: 7 years
Size (ft, rounded): 21 x 9
Sq Feet (rounded): 
Dimensions (ft, rounded):
21 x 9 x 8
Length (in): 251.6
Width (in): 105
Height (in, peak): 93.5
Sidewall Height (in): 61
Head Room (feet): 7.5
Door Width (in): 47.5
Door Height (in): 76.4
Peak: 32.5
Total Product Weight: 364.1
Snow Load (Lbs/Sq Ft): 15
Windload (MPH): 55
# of Vents: 1
Light Transmission (%): 80
Roof Material: 4mm Twin Wall Polycarbonate
Roof Color: Translucent
Sides Material: 6mm Twin Wall Polycarbonate
Frame Material: 100% UV-protected resin 
Frame Color: Dark Green
Ship Method: LTL
Lift Gate Available For Additional Charge: Y
Total Box Qty (Calculated): 6
Box 1 Qty: 1
Box 1 Part No: HG7200
Box 1 UPC: 763552402233
Box 1 Name/Desc: Grand Gardener Front (2’)
Box 1 Length: 49
Box 1 Width: 29.1
Box 1 Height: 10.6
Box 1 Weight: 80.3
Box 2 Qty: 1
Box 2 Part No: HG7201
Box 2 UPC: 763552402257
Box 2 Name/Desc: Grand Gardener Back (2’)
Box 2 Length: 49
Box 2 Width: 29.1
Box 2 Height: 10.6
Box 2 Weight: 88
Box 3 Qty: 4
Box 3 Part No: HG7202
Box 3 UPC: 763552402240
Box 3 Name/Desc: Grand Gardener Middle (4’)
Box 3 Length: 49
Box 3 Width: 29.1
Box 3 Height: 9.2
Box 3 Weight: 69

Box - Bundle Length: 49
Box - Bundle Width: 29
Box - Bundle Height: 58
Box - Bundle Weight: 444

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