Planta Greenhouses

Sigma Urban (Gen III)

Sigma Urban (Gen III)

Approx Size:

Regular price $3,250.00 USD
Regular price $3,450.00 USD Sale price $3,250.00 USD
Sale Sold out

The Planta Sigma Urban (Gen III) was created for spirited gardeners working with compact urban and suburban spaces. This greenhouse is ideal for 3 or 4 season gardening, so you can harvest homegrown fruits and vegetables throughout the year. Our Sigma collection focuses on sturdy construction and spacious design, bringing heavy-duty greenhouse engineering right to your backyard.

Exact size: 118.1 x 83.9 x 158.3 inches

The tough galvanized pipe frame is rust-resistant and built to last. It's strong enough to handle moderate to severe weather conditions, keeping your garden protected throughout the seasons.
The greenhouse comes with:
  • two doors
  • two manual windows
  • the option to install multiple windows.

This greenhouse is particularly comfortable to work in throughout the day due to the end-to-end ventilation and the unique 7' (2.13-metre) roof height.

View full details
  • Extendable up to 100ft

About Planta Greenhouses

Planta Greenhouses has combined innovative engineering with practical design to develop some of the strongest and most versatile greenhouses available. 

The heavy-duty galvanized steel frames and durable polycarbonate panels mean Planta Greenhouses are capable of withstanding one of the highest wind and snow loads of any residential greenhouse kit on the market. 

Finally, with key features such as extendable length and customizable design, Planta Greenhouses are truly a one-of-a-kind solution for your backyard gardening needs.

FAQs