Hoklartherm Riga 4 Greenhouse

Discover the perfect balance of space and performance with the RIGA 4 Greenhouse Series.

Standing as the most popular mid-sized model in the Hoklartherm lineup, the RIGA 4 offers 135 sq. ft. of highly efficient growing area. Featuring the signature Onion Shape (Gothic Arch), this greenhouse is engineered to neutralize high winds and effortlessly shed heavy snow, making it the premier choice for serious gardeners in all climates.

Key Collection Highlights:

• Unmatched Insulation: Features 8mm twin-wall polycarbonate on the sides and 10mm twin-wall on the gable ends, providing superior heat retention compared to standard glass.

• Hurricane-Rated Strength: Tested to withstand 120mph winds, the aerodynamic curved profile minimizes wind resistance.

• Versatile Design Options: Choose between the classic Standard Aluminum finish or the elegant RIGA 4 Black which includes a powder-coated frame and a clear-view front.

• Professional Airflow: Each RIGA 4 comes standard with a wide Dutch-style barn door, a large rear window, and 2 automatic roof vents to maintain the perfect growing temperature.

Backed by a 15-year frame warranty, the RIGA 4 is more than a greenhouse—it's a lifelong gardening companion.