Sigma Urban DIY Greenhouse Kit 10 x 13 ft. with 6mm Double-Wall Polycarbonate Panels and Galvanized Steel Frame

The Planta Sigma Urban was designed for passionate gardeners looking to maximize their growing potential in compact urban and suburban spaces. Ideal for three- or four-season gardening, this greenhouse allows you to enjoy fresh, homegrown fruits and vegetables year-round. As part of the Sigma collection, it combines sturdy construction with a spacious design, bringing the benefits of heavy-duty greenhouse engineering to your backyard.

Built to withstand harsh weather conditions, the Sigma Urban features a rust-resistant galvanized pipe frame that ensures durability and protection for your plants throughout the year. Its thoughtfully designed structure promotes end-to-end airflow, creating a comfortable growing environment. The distinctive 7-foot roof height enhances accessibility and ease of movement, making gardening a pleasure all day long.

Engineered for strength and reliability, the Sigma Urban is wind-resistant up to 65 mph and can support a snow load of up to 3 feet (32 psf). It includes two doors—one at each end—for convenient access, while the arched shape allows wind, snow, and hail to slide off effortlessly. Made with a heavy-duty galvanized pipe frame and 6mm double-wall polycarbonate panels, this greenhouse offers long-lasting performance. Additionally, its extendable design lets you expand beyond 100 feet whenever you're ready. Backed by a 5-year warranty, the Sigma Urban is a smart investment for any dedicated gardener.

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)