Sigma DIY Greenhouse Kit 10 x 20 ft. with 6mm Double-Wall Polycarbonate Panels and Galvanized Steel Frame

The Planta Sigma 20 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.

Built for durability, the Sigma 20 features a rust-resistant galvanized pipe frame and 6mm double-wall polycarbonate panels, both engineered to withstand harsh weather conditions and keep your garden protected year-round.

With its excellent end-to-end airflow and a distinctive 7-foot roof height, the Sigma 20 provides a comfortable and well-ventilated environment for gardening throughout the day. Strong and spacious, it boasts long-lasting construction, weather-resistant materials, and a roomy design. The greenhouse is equipped with two doors, one at each end for easy access. Its arched shape allows wind, snow, and rain to slide off effortlessly, enhancing durability. Additionally, it is extendable beyond 100 feet, giving you the flexibility to expand your greenhouse as needed.

Snow Load Weight of 32 psf (160 kg / m²)

Equal to 3 feet fresh snow layer or 1.5 feet packed snow layer and is maintenance free in the winter

Wind Resistant

Up to 65 mph (100 km/h)

Extendable & Customizable

This greenhouse can be extended with additional expansion kits (call to order)

Order by Phone

We understand that you may want to talk to an actual person instead of ordering online. Call us toll-free at 1-888-281-9337 to speak to a Sales Representative.