About Grandio Greenhouses
Grandio sells backyard greenhouse kits with powder-coated aluminum frames and 10mm twinwall polycarbonate panels, plus cold frames. Its Element, Ascent, Elite and Summit series expand in 4-foot increments. Kits come with lifetime warranties and free ground shipping.
Key Features
10mm twinwall polycarbonate
Expandable in 4-ft increments
Lifetime warranty
Free ground shipping
Meridian, Idaho, USA