BIO-Star GH-64G / GH-66G / GH-68G Backyard Greenhouse

BIO-Star Backyard Greenhouse
BIO-Star Backyard Greenhouse
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BIO-Star GH-64G / GH-66G / GH-68G Backyard Greenhouse

Item #: 66403F

Select size: 
BIO-Star Backyard Greenhouse, our season extending walk-in hobby greenhouse, comes in three sizes: approximately 6x4, 6x6, and 6x8.
BIO-Star GH-64G small greenhouse measures 6'3" wide x 4'3" long (26.6 square feet).
BIO-Star GH-66G medium greenhouse measures 6'3" wide x 6'3" long (39 square feet) and has one roof window.
BIO-Star GH-68G large greenhouse measures 6'3" wide by 8'2" long (51 square feet) and has one roof window.

This A-frame freestanding greenhouse is designed to extend the growing season in mild climates. Perfect for beginning gardeners, hobby gardeners, and part-time garden enthusiasts who live in areas where winter is relatively mild.

Built with a sturdy aluminum frame and 4 mm twin-wall UV-coated polycarbonate sides (or glazing). Polycarbonate glazing is virtually unbreakable and safer than glass. Twin-wall construction provides an excellent growing environment and good insulation.

FAVORITE COMFORT FEATURE: Includes a 4" high galvanized steel base, which increases the overall strength and sturdiness of the greenhouse, and four corner stakes.

The base can be put into the ground or installed on the ground. On-ground placement increases the overall height of the greenhouse.

Season-extending greenhouses are best suited for climates with mild winters and night frost only. Can be used to over-winter established plants in a protected environment.

IMPORTANT: Our season extender greenhouse is not recommended for serious gardeners wishing to grow from seed plants and/or vegetables during a winter with abundant frost. In harsher climates, this product should be used only in late fall or early spring.

  • A-frame style.
  • Sturdy aluminum frame with green finish.
  • Glazing panels sit inside the aluminum profiles for assembly without pesky spring clips.
  • Roof height (center): 77".
  • Roof height (shoulder): 57".
  • Includes 4" high galvanized steel base.
  • Includes one 23" wide sliding door.
  • Stainless steel hardware.
  • Assembly required.
  • Color green.
  • Sizes: small 4'x6'; medium 6'x6'; large 6'x8'.
  • Comfort House 66403F.
  • BIO-Star GH-64G / BIO-Star GH-66G / BIO-Star GH-68G.


    BIO-Star Backyard Greenhouse
    Item #: 66403F
    Select size: 
  • When should I expect delivery? Most in-stock items are shipped within 1 business day of receipt by UPS, FedEx, or Priority/First Class Mail. If an item has a special delivery time it will be noted in the product description. Casita, Patiomate, and Parts for them are currently running a 2-3 week delivery time.
    • You should expect to receive delivery within 4-7 business days in the USA unless a special delivery time is noted in the product description.
    • Air delivery and specific carrier options are also available in your shopping cart.
    • If you select air delivery for an item with a special delivery time noted in the product description, your product will not be finished any quicker but will ship via the chosen method when it is ready to ship.
    • If you require a delivery quicker than options shown in your shopping cart, please contact customer service.
    • Canada and International delivery time information is shown in shopping cart.
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