Sigma Greenhouses

Sigma Greenhouse is a heavy duty, arch shaped, garden greenhouse designed for backyard gardening. The Sigma can support 3 ft of snow, withstand 65 mph (100 km/h) winds and comes with a 5 year warranty. Enjoyed by thousands of happy growers across the US.
  • Sigma Urban

    Sigma Urban

    Sigma Urban

    Size: 10' × 13' × 7'
    4.9
    Rated 4.9 out of 5 stars
    14 Reviews
    $2,500 USD
    $2,500 USD Save $0 Sale $2,500 USD
    Sold out
  • Sigma 20

    Sigma 20

    Sigma 20

    Size: 10' × 19.5' × 7'
    4.7
    Rated 4.7 out of 5 stars
    18 Reviews
    $3,050 USD
    $3,200 USD Save $150 Sale $3,050 USD
    Sold out
    Sale
  • Sigma 26

    Sigma 26

    Sigma 26

    Size: 10' × 26' × 7'
    4.9
    Rated 4.9 out of 5 stars
    12 Reviews
    $3,750 USD
    $3,950 USD Save $200 Sale $3,750 USD
    Sold out
    Sale
  • Sigma 32

    Sigma 32

    Sigma 32

    Size: 10' × 32' × 7'
    4.8
    Rated 4.8 out of 5 stars
    4 Reviews
    $4,450 USD
    $4,700 USD Save $250 Sale $4,450 USD
    Sold out
    Sale

Want to extend or customize these products?

Get in touch

See More Greenhouses

See all greenhouse models