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The RIGA is truly a greenhouse by the European definition of a greenhouse - designed to be used to grow fresh vegetables, herbs and flowers in the middle of winter. While other so called “greenhouses” using less than 8 mm twin-wall polycarbonate, are considered to be Season Extenders, to be used when only a slight night frost might be expected during the spring or fall season. At best they can only be used to house established plants during the winter season. 

The RIGA Greenhouse is designed, engineered, and manufactured in Germany by Hoklartherm, a leading manufacturer of commercial and hobby greenhouses, sunrooms, pavillions, pool covers, home additions, and commercial building, with 28 years experience. With a combination of strong materials and durable hardware, the Riga Greenhouse is by far the strongest greenhouse under $5,000. 

The Riga Greenhouse offers more window and door ventilation than another units it is class. The polycarbonate glazing on the Riga Greenhouse is German made and believed to be of superior quality then the much more common Polygal or GE glazing. The Riga Greenhouse comes with an optional two layer shelving system with removable shelf inserts. This allows for tall plants (beans, tomatoes etc.). The optional 6" high base frame (which is often used to increase the height of the roof), is 2-3" higher than most competitors.

One major advantage of the Riga's construction method is that the frame profiles are permanently attached to each other, and won't come loose over time due to wind pressures. German engineering - guaranteed top quality! Optional shelving: suspended shelving without braces underneath – therefore allowing for more storage space ( i.e. for a cart, wheelbarrow or long tools)

The RIGA Greenhouse is attractive and beautiful to look at – fits well in to an upscale garden setting.

The RIGA Greenhouse offers the minimum insulation needed to grow plant year-round – others using less insulation cost too much to heat. RIGA Greenhouse units are available in 5 sizes We recommend you buy one size bigger than you planned. 

Come with DVD and written Assembly Instructions 

Made in Germany Specifications: 
Extremely heavy duty construction 
First-class insulation: R or K-value 3.0 Warranty: Polycarbonate: 10 years; Frame: 15 years 
Heavy duty Dutch Barn Door with keyed lock: 30" wide x 72" tall. 72” tall narrow unit /79” tall wide unit 
Oversized Rear Wall window: 30" wide x 42" high with adjustment arm 
Roof Window(s): 40" w x 24" d; with Automatic Window Opener 8 MM UV coated twin wall polyvcarbonate over main body 10 MM twin wall polycarbonate in front & back walls for extra strength Inside walking height: 6’1” near shelves, 6’11” in the middle of the narrow unit and 7’6” high for a wide unit. Assembly time: 2 people, 1 full day (3 makes it easier and reduces it to 6-8 hours (excluding any shelves)