Riga Grand Greenhouse Kit 9.8 x 17.6 ft. with TwinWall Polycarbonate Panels and Aluminum Frame sunshed Our bulk Osmocote slow-release fertilizer

Our bulk Osmocote slow-release fertilizer helps serious growers enjoy bigger

The Round 12' wide model provides an impressive amount of space at an affordable price

bedding plants and vegetables from severe cold and freezing and can lengthen your harvest time or extend your flowering season

Durability and Strength

Riga Grand Greenhouse Kit 9.8 x 17.6 ft. with TwinWall Polycarbonate Panels and Aluminum Frame sunshed Our bulk Osmocote slow-release fertilizerKey Details Riga Grand 9. 8 x 17. 6 Greenhouse Dimensions: 9' 8" W x 17' 6" L x 7' 7" H Sidewall: 3' Frame: Heavy Gauge Extruded Aluminum Color: Silver Covering: 8mm Twinwall Polycarbonate Panels on Roof and Sidewalls; 10mm Twinwall Polycarbonate on Endwalls Door(s): 30" W x 6' H Heavy Duty Dutch Door with Keyed Lock Roof Vents: 4 40" x 24" (Automatic) End Vents: 1 30" x 41" Side Vents: 0 Base: Included Foundation: Options Stakes; Treated 4x4's;