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Outdoor Greenhouses for Sale

We offer a wide selection of outdoor greenhouse kits for sale that will appeal to gardeners of all skill levels.

  • Greenhouse sizes range from 8 feet by 8 feet to 16 feet by 20 feet.
  • Greenhouse material includes polycarbonate and polyethylene options.
  • Options for just a base greenhouse kit or choose to include additional bundled accessories at discounted rates.
  • Specialized greenhouse kits with options for added light diffusion, solar powered ventilation, or a built in commercial heating system.

 

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  • Original price $6,999.99 - Original price $7,799.99
    Original price $6,999.99 - Original price $7,799.99
    Original price $6,999.99
    $6,699.99 - $7,399.99
    $6,699.99 - $7,399.99
    Current price $6,699.99

    Riverstone Mont Black Greenhouse Mont-12-BK-MOJAVE (8ft x 12ft)

    Riverstone
    In stock

    Introducing the Mont brand Greenhouses by Riverstone.  The Mont greenhouse with the Mojave package is sized at 8ft x 12ft and is designed specific...

    View full details
    Original price $6,999.99 - Original price $7,799.99
    Original price $6,999.99 - Original price $7,799.99
    Original price $6,999.99
    $6,699.99 - $7,399.99
    $6,699.99 - $7,399.99
    Current price $6,699.99
    Save up to 5% Save %
  • Original price $6,349.99
    Original price $6,349.99 - Original price $6,349.99
    Original price $6,349.99
    Current price $5,749.99
    $5,749.99 - $5,749.99
    Current price $5,749.99

    Riverstone Mont Greenhouse Mont-8-BK-GROWERS (8ft x 8ft)

    Riverstone
    Coming soon

    Introducing the Mont brand Greenhouses by Riverstone.  The Mont greenhouse Growers package is sized at 8ft x 8ft and is designed for crops that re...

    View full details
    Original price $6,349.99
    Original price $6,349.99 - Original price $6,349.99
    Original price $6,349.99
    Current price $5,749.99
    $5,749.99 - $5,749.99
    Current price $5,749.99
    Save 9% Save %
  • Original price $5,499.99
    Original price $5,499.99 - Original price $5,499.99
    Original price $5,499.99
    Current price $4,999.99
    $4,999.99 - $4,999.99
    Current price $4,999.99

    Riverstone Mont Black Greenhouse Mont-12-BK-PREMIUM (8ft x 12ft)

    Riverstone
    In stock

    Introducing the Mont brand Greenhouses by Riverstone.  The Mont greenhouse with the Premium package is sized at 8ft x 12ft.   The Mont Greenhouse ...

    View full details
    Original price $5,499.99
    Original price $5,499.99 - Original price $5,499.99
    Original price $5,499.99
    Current price $4,999.99
    $4,999.99 - $4,999.99
    Current price $4,999.99
    Save 9% Save %
  • Original price $9,779.99
    Original price $9,779.99 - Original price $9,779.99
    Original price $9,779.99
    Current price $9,099.99
    $9,099.99 - $9,099.99
    Current price $9,099.99

    Riverstone Mont Greenhouse Mont-24-BK-GROWERS (8ft x 24ft)

    Riverstone
    Coming soon

    Introducing the Mont brand Greenhouses by Riverstone.  The Mont greenhouse Growers package is sized at 8ft x 24ft and is designed for crops that r...

    View full details
    Original price $9,779.99
    Original price $9,779.99 - Original price $9,779.99
    Original price $9,779.99
    Current price $9,099.99
    $9,099.99 - $9,099.99
    Current price $9,099.99
    Save 7% Save %
  • Original price $9,199.99
    Original price $9,199.99 - Original price $9,199.99
    Original price $9,199.99
    Current price $8,249.99
    $8,249.99 - $8,249.99
    Current price $8,249.99

    Riverstone Mont Greenhouse Mont-20-BK-GROWERS (8ft x 20ft)

    Riverstone
    Coming soon

    Introducing the Mont brand Greenhouses by Riverstone.  The Mont greenhouse Growers package is sized at 8ft x 20ft and is designed for crops that r...

    View full details
    Original price $9,199.99
    Original price $9,199.99 - Original price $9,199.99
    Original price $9,199.99
    Current price $8,249.99
    $8,249.99 - $8,249.99
    Current price $8,249.99
    Save 10% Save %
  • Original price $7,999.99
    Original price $7,999.99 - Original price $7,999.99
    Original price $7,999.99
    Current price $7,499.99
    $7,499.99 - $7,499.99
    Current price $7,499.99

    Riverstone Mont Greenhouse Mont-16-BK-GROWERS (8ft x 16ft)

    Riverstone
    Coming soon

    Introducing the Mont brand Greenhouses by Riverstone.  The Mont greenhouse Growers package is sized at 8ft x 16ft and is designed for crops that r...

    View full details
    Original price $7,999.99
    Original price $7,999.99 - Original price $7,999.99
    Original price $7,999.99
    Current price $7,499.99
    $7,499.99 - $7,499.99
    Current price $7,499.99
    Save 6% Save %
  • Original price $6,899.99
    Original price $6,899.99 - Original price $6,899.99
    Original price $6,899.99
    Current price $6,349.99
    $6,349.99 - $6,349.99
    Current price $6,349.99

    Riverstone Mont Greenhouse Mont-12-BK-GROWERS (8ft x 12ft)

    Riverstone
    Coming soon

    Introducing the Mont brand Greenhouses by Riverstone.  The Mont greenhouse Growers package is sized at 8ft x 12ft and is designed for crops that r...

    View full details
    Original price $6,899.99
    Original price $6,899.99 - Original price $6,899.99
    Original price $6,899.99
    Current price $6,349.99
    $6,349.99 - $6,349.99
    Current price $6,349.99
    Save 8% Save %
  • Original price $8,999.99 - Original price $9,799.99
    Original price $8,999.99 - Original price $9,799.99
    Original price $8,999.99
    $8,599.99 - $9,199.99
    $8,599.99 - $9,199.99
    Current price $8,599.99

    Riverstone Mont Greenhouse Mont-24-BK-MOJAVE (8ft x 24ft)

    Riverstone
    In stock

    Introducing the Mont brand Greenhouses by Riverstone.  The Mont greenhouse with the Mojave package is sized at 8ft x 24ft and is designed specific...

    View full details
    Original price $8,999.99 - Original price $9,799.99
    Original price $8,999.99 - Original price $9,799.99
    Original price $8,999.99
    $8,599.99 - $9,199.99
    $8,599.99 - $9,199.99
    Current price $8,599.99
    Save up to 6% Save %
  • Original price $8,199.99 - Original price $8,999.99
    Original price $8,199.99 - Original price $8,999.99
    Original price $8,199.99
    $7,699.99 - $8,399.99
    $7,699.99 - $8,399.99
    Current price $7,699.99

    Riverstone Mont Black Greenhouse Mont-20-BK-MOJAVE (8ft x 20ft)

    Riverstone
    In stock

    Introducing the Mont brand Greenhouses by Riverstone.  The Mont greenhouse with the Mojave package is sized at 8ft x 20ft and is designed specific...

    View full details
    Original price $8,199.99 - Original price $8,999.99
    Original price $8,199.99 - Original price $8,999.99
    Original price $8,199.99
    $7,699.99 - $8,399.99
    $7,699.99 - $8,399.99
    Current price $7,699.99
    Save up to 7% Save %
  • Original price $7,699.99 - Original price $8,449.99
    Original price $7,699.99 - Original price $8,449.99
    Original price $7,699.99
    $7,199.99 - $7,899.99
    $7,199.99 - $7,899.99
    Current price $7,199.99

    Riverstone Mont Black Greenhouse Mont-16-BK-MOJAVE (8ft x 16ft)

    Riverstone
    In stock

    Introducing the Mont brand Greenhouses by Riverstone.  The Mont greenhouse with the Mojave package is sized at 8ft x 16ft and is designed specific...

    View full details
    Original price $7,699.99 - Original price $8,449.99
    Original price $7,699.99 - Original price $8,449.99
    Original price $7,699.99
    $7,199.99 - $7,899.99
    $7,199.99 - $7,899.99
    Current price $7,199.99
    Save up to 7% Save %
  • Original price $8,199.99
    Original price $8,199.99 - Original price $8,199.99
    Original price $8,199.99
    Current price $7,799.99
    $7,799.99 - $7,799.99
    Current price $7,799.99

    Riverstone Mont Black Greenhouse Mont-24-BK-PREMIUM (8ft x 24ft)

    Riverstone
    In stock

    Introducing the Mont brand Greenhouses by Riverstone.  The Mont greenhouse with the Premium package is sized at 8ft x 24ft.   The Mont Greenhouse ...

    View full details
    Original price $8,199.99
    Original price $8,199.99 - Original price $8,199.99
    Original price $8,199.99
    Current price $7,799.99
    $7,799.99 - $7,799.99
    Current price $7,799.99
    Save 5% Save %
  • Original price $7,599.99
    Original price $7,599.99 - Original price $7,599.99
    Original price $7,599.99
    Current price $7,079.99
    $7,079.99 - $7,079.99
    Current price $7,079.99

    Riverstone Mont Black Greenhouse Mont-20-BK-PREMIUM (8ft x 20ft)

    Riverstone
    In stock

    Introducing the Mont brand Greenhouses by Riverstone.  The Mont greenhouse with the Premium package is sized at 8ft x 20ft.   The Mont Greenhouse ...

    View full details
    Original price $7,599.99
    Original price $7,599.99 - Original price $7,599.99
    Original price $7,599.99
    Current price $7,079.99
    $7,079.99 - $7,079.99
    Current price $7,079.99
    Save 7% Save %
  • Original price $6,499.99
    Original price $6,499.99 - Original price $6,499.99
    Original price $6,499.99
    Current price $5,999.99
    $5,999.99 - $5,999.99
    Current price $5,999.99

    Riverstone Mont Black Greenhouse Mont-16-BK-PREMIUM (8ft x 16ft)

    Riverstone
    In stock

    Introducing the Mont brand Greenhouses by Riverstone.  The Mont greenhouse with the Premium package is sized at 8ft x 16ft.   The Mont Greenhouse ...

    View full details
    Original price $6,499.99
    Original price $6,499.99 - Original price $6,499.99
    Original price $6,499.99
    Current price $5,999.99
    $5,999.99 - $5,999.99
    Current price $5,999.99
    Save 8% Save %
  • Original price $4,499.99
    Original price $4,499.99 - Original price $4,499.99
    Original price $4,499.99
    Current price $4,049.99
    $4,049.99 - $4,049.99
    Current price $4,049.99

    Riverstone Mont Black Greenhouse Mont-8-BK-PREMIUM (8ft x 8ft)

    Riverstone
    In stock

    Introducing the Mont brand Greenhouses by Riverstone.  The Mont greenhouses with the Premium package are available in five sizes.  The 8ft x 8ft M...

    View full details
    Original price $4,499.99
    Original price $4,499.99 - Original price $4,499.99
    Original price $4,499.99
    Current price $4,049.99
    $4,049.99 - $4,049.99
    Current price $4,049.99
    Save 10% Save %
  • Original price $6,999.99
    Original price $6,999.99 - Original price $6,999.99
    Original price $6,999.99
    Current price $6,849.99
    $6,849.99 - $6,849.99
    Current price $6,849.99

    Riverstone Mont Black Greenhouse MONT-24-BK (8ft x 24ft)

    Riverstone
    In stock

    Introducing the Mont brand Greenhouses by Riverstone.  The Mont greenhouses are available in five sizes.  This is the 8ft x 24ft sized Mont greenh...

    View full details
    Original price $6,999.99
    Original price $6,999.99 - Original price $6,999.99
    Original price $6,999.99
    Current price $6,849.99
    $6,849.99 - $6,849.99
    Current price $6,849.99
    Save 2% Save %
  • Original price $6,099.99
    Original price $6,099.99 - Original price $6,099.99
    Original price $6,099.99
    Current price $5,999.99
    $5,999.99 - $5,999.99
    Current price $5,999.99

    Riverstone Mont Black Greenhouse MONT-20-BK (8ft x 20ft)

    Riverstone
    In stock

    Introducing the Mont brand Greenhouses by Riverstone.  The Mont greenhouses are available in five sizes.  This is the 8ft x 20ft sized Mont greenh...

    View full details
    Original price $6,099.99
    Original price $6,099.99 - Original price $6,099.99
    Original price $6,099.99
    Current price $5,999.99
    $5,999.99 - $5,999.99
    Current price $5,999.99
    Save 2% Save %
  • Original price $5,249.99
    Original price $5,249.99 - Original price $5,249.99
    Original price $5,249.99
    Current price $4,999.99
    $4,999.99 - $4,999.99
    Current price $4,999.99

    Riverstone Mont Black Greenhouse Mont-16-BK (8ft x 16ft)

    Riverstone
    In stock

    Introducing the Mont brand Greenhouses by Riverstone.  The Mont greenhouses are available in five sizes.  This is the 8ft x 16ft sized Mont greenh...

    View full details
    Original price $5,249.99
    Original price $5,249.99 - Original price $5,249.99
    Original price $5,249.99
    Current price $4,999.99
    $4,999.99 - $4,999.99
    Current price $4,999.99
    Save 5% Save %
  • Original price $4,299.99
    Original price $4,299.99 - Original price $4,299.99
    Original price $4,299.99
    Current price $4,049.99
    $4,049.99 - $4,049.99
    Current price $4,049.99

    Riverstone Mont Black Greenhouse Mont-12-BK (8ft x 12ft)

    Riverstone
    In stock

    Introducing the Mont brand Greenhouses by Riverstone.  The Mont greenhouses are available in five sizes.  This is the 8ft x 12ft sized Mont greenh...

    View full details
    Original price $4,299.99
    Original price $4,299.99 - Original price $4,299.99
    Original price $4,299.99
    Current price $4,049.99
    $4,049.99 - $4,049.99
    Current price $4,049.99
    Save 6% Save %
  • Original price $3,349.99
    Original price $3,349.99 - Original price $3,349.99
    Original price $3,349.99
    Current price $3,049.99
    $3,049.99 - $3,049.99
    Current price $3,049.99

    Riverstone Mont Black Greenhouse Mont-8-BK (8ft x 8ft)

    Riverstone
    In stock

    Introducing the Mont brand Greenhouses by Riverstone.  The Mont greenhouses are available in five sizes.  The 8ft x 8ft Mont greenhouse is the sma...

    View full details
    Original price $3,349.99
    Original price $3,349.99 - Original price $3,349.99
    Original price $3,349.99
    Current price $3,049.99
    $3,049.99 - $3,049.99
    Current price $3,049.99
    Save 9% Save %
  • Original price $9,999.99 - Original price $12,999.99
    Original price $9,999.99 - Original price $12,999.99
    Original price $9,999.99
    $8,867.00 - $11,404.00
    $8,867.00 - $11,404.00
    Current price $8,867.00

    Solexx Garden Master Greenhouse G-524 (8ft x 24ft)

    Solexx
    Out of stock

    A gardener’s delight or the hobbyist’s dream. This spacious, European-style greenhouse kit has 6'6" tall outer walls and a gable that peaks at 8'9...

    View full details
    Original price $9,999.99 - Original price $12,999.99
    Original price $9,999.99 - Original price $12,999.99
    Original price $9,999.99
    $8,867.00 - $11,404.00
    $8,867.00 - $11,404.00
    Current price $8,867.00
    Sold out
  • Original price $6,999.99 - Original price $8,999.99
    Original price $6,999.99 - Original price $8,999.99
    Original price $6,999.99
    $6,207.00 - $7,955.00
    $6,207.00 - $7,955.00
    Current price $6,207.00

    Solexx Garden Master Greenhouse G-516 (8ft x 16ft)

    Solexx
    Out of stock

    A gardener’s delight or the hobbyist’s dream. This spacious, European-style greenhouse kit has 6'6" tall outer walls and a gable that peaks at 8'9...

    View full details
    Original price $6,999.99 - Original price $8,999.99
    Original price $6,999.99 - Original price $8,999.99
    Original price $6,999.99
    $6,207.00 - $7,955.00
    $6,207.00 - $7,955.00
    Current price $6,207.00
    Sold out
  • Original price $5,999.99 - Original price $6,999.99
    Original price $5,999.99 - Original price $6,999.99
    Original price $5,999.99
    $5,098.00 - $6,579.00
    $5,098.00 - $6,579.00
    Current price $5,098.00

    Solexx Garden Master Greenhouse G-512 (8ft x 12ft)

    Solexx
    Out of stock

    A gardener’s delight or the hobbyist’s dream. This spacious, European-style greenhouse kit has 6'6" tall outer walls and a gable that peaks at 8'9...

    View full details
    Original price $5,999.99 - Original price $6,999.99
    Original price $5,999.99 - Original price $6,999.99
    Original price $5,999.99
    $5,098.00 - $6,579.00
    $5,098.00 - $6,579.00
    Current price $5,098.00
    Sold out
  • Original price $4,999.99 - Original price $5,999.99
    Original price $4,999.99 - Original price $5,999.99
    Original price $4,999.99
    $3,845.00 - $4,885.00
    $3,845.00 - $4,885.00
    Current price $3,845.00

    Solexx Garden Master Greenhouse G-508 (8ft x 8ft)

    Solexx
    Out of stock

    A gardener’s delight or the hobbyist’s dream. This spacious, European-style greenhouse kit has 6'6" tall outer walls and a gable that peaks at 8'9...

    View full details
    Original price $4,999.99 - Original price $5,999.99
    Original price $4,999.99 - Original price $5,999.99
    Original price $4,999.99
    $3,845.00 - $4,885.00
    $3,845.00 - $4,885.00
    Current price $3,845.00
    Sold out
  • Original price $7,999.99 - Original price $10,999.99
    Original price $7,999.99 - Original price $10,999.99
    Original price $7,999.99
    $7,846.00 - $9,834.00
    $7,846.00 - $9,834.00
    Current price $7,846.00

    Solexx Harvester Greenhouse G-424 (8ft x 24ft)

    Solexx
    Out of stock

    The Harvester Greenhouse is designed to hug the side of your house, garage, deck, or stand alone – anywhere that’s convenient for you! This greenh...

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    Original price $7,999.99 - Original price $10,999.99
    Original price $7,999.99 - Original price $10,999.99
    Original price $7,999.99
    $7,846.00 - $9,834.00
    $7,846.00 - $9,834.00
    Current price $7,846.00
    Sold out