Sigma Medium 20 (Gen III) Sigma Acc Our Sigma greenhouses are built

Our Sigma greenhouses are built to last

Manual or heat-activated ventilation windows for optimal air circulation

fruits and vegetables on a wall

4 x 89 x 394

Sigma Medium 20 (Gen III) Sigma Acc Our Sigma greenhouses are builtThe Planta Sigma Medium 20 (Gen III) is an urban gardener's dream come true. The quality heat capturing materials allow for 3 or 4 season gardening, meaning you'll be able to harvest delicious fruits and vegetables beyond the outdoor growing season. Additionally, the rounded design is incredibly spacious, giving you the room to make the most out of your backyard garden. Exact size: 98. 4 x 89 x 237 inches Feel confident knowing that the rust resistant