Collection: Sigma 8m Greenhouses

Compact Sigma designs created for urban yards and tighter spaces without sacrificing durability.

All Sigma models available in a 6 m length. A versatile size that balances growing space with backyard efficiency.

The longest standard Sigma length at 10 m, ideal for growers who want maximum room and scalability.

Sigma Gen II (3 m) – The original Sigma Greenhouse design, featuring a classic peaked roof, heavy duty galvanized steel frame, and expandable length for flexible, long term growing in tough climates.