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Greenhouses & Accessories - 19 - Super Savings! Save up to 32%


Super Savings! Up to 32% off on Greenhouses & Accessories at Knock Knock. Top brands include Homewell, evokem, Agfabric, Palm Springs, Ecover, Ez4garden, totoshop, & Alitop. Hurry! Limited time offers. Offers valid only while supplies last.



Homewell Mini Walk-In Greenhouse 3 Tiers 6 Shelves, 56''W x 29''D x 77''H
Homewell Mini Walk-In Greenhouse 3 Tiers 6 Shelves, 56"W x 29"D x 77"H
By Homewell
In Stock
$49.00

mpn: LF69005, ean: 0753807197298,

Homewell Mini Walk-in Greenhouse offers 3 tiers with 6 wired shelves for starting seedlings, growing young plants and flowers, extending growing seasons, and displaying flora in full sun. Perfect for a backyard, deck, patio, or balcony. Great for at ...


evokem 5-Tier Portable Mini Backyard Greenhouse with Clear Cover and Roll-Up Zipper Door, Garden Plants Shed House for Indoor Outdoor - 27.2 x 19.3 x 73.6inch (US STOCK)
evokem 5-Tier Portable Mini Backyard Greenhouse with Clear Cover and Roll-Up Zipper Door, Garden Plants Shed House for Indoor Outdoor - 27.2 x 19.3 x 73.6inch (US STOCK)
By evokem
In Stock
$49.99

ean: 0712356843810,

★★ 5-Tier Heavy Duty Growhouse Reinforced Replacement PVC Cover Garden Plants Greenhouse >> Product Features: ① Heavy-duty grow house with clear PVC cover; Roll-up zipper closure door ② Easily assembles in minutes with no tools required; Comp...


Agfabric 6Mil Plastic Covering Clear Polyethylene Greenhouse Film UV Resistant for Grow Tunnel and Garden Hoop, Plant Cover&Frost Blanket for Season Extension, W10'xL36'
Agfabric 6Mil Plastic Covering Clear Polyethylene Greenhouse Film UV Resistant for Grow Tunnel and Garden Hoop, Plant Cover&Frost Blanket for Season Extension, W10'xL36'
By Agfabric
In Stock
$141.41
$96.00
You Save: 32%

mpn: FCP6M1036, ean: 0651989062055,

4.9 out of 5 stars with 32 reviews
Agfabric Greenhouse Films, also known as agricultural plastic, poly-film and greenhouse plastic, are ideal for your single and double layer greenhouse applications, rated for 5 year use and enjoys five advantages:1. Use high-grade olefin raw material...


Agfabric 3.1Mil Plastic Covering Clear Polyethylene Greenhouse Film UV Resistant for Grow Tunnel and Garden Hoop, Plant Cover&Frost Blanket for Season Extension, 12x100ft
Agfabric 3.1Mil Plastic Covering Clear Polyethylene Greenhouse Film UV Resistant for Grow Tunnel and Garden Hoop, Plant Cover&Frost Blanket for Season Extension, 12x100ft
By Agfabric
In Stock
$95.59

ean: 0649870595362,

Agfabric Greenhouse Films, also known as agricultural plastic, poly-film and greenhouse plastic, are ideal for your single and double layer greenhouse applications, rated for 5 year use and enjoys five advantages:1. Use high-grade olefin raw material...


Agfabric 1.2Mil Plastic Covering Clear Polyethylene Greenhouse Film UV Resistant for Grow Tunnel and Garden Hoop, Plant Cover&Frost Blanket for Season Extension, 6x12ft
Agfabric 1.2Mil Plastic Covering Clear Polyethylene Greenhouse Film UV Resistant for Grow Tunnel and Garden Hoop, Plant Cover&Frost Blanket for Season Extension, 6x12ft
By Agfabric
In Stock
$18.99

ean: 0649870595041,

Agfabric Greenhouse Films, also known as agricultural plastic, poly-film and greenhouse plastic, are ideal for your single and double layer greenhouse applications, rated for 5 year use and enjoys five advantages:1. Use high-grade olefin raw material...


Agfabric 6.3Mil Plastic Covering Clear Polyethylene Greenhouse Film UV Resistant for Grow Tunnel and Garden Hoop, Plant Cover&Frost Blanket for Season Extension, 12x20ft
Agfabric 6.3Mil Plastic Covering Clear Polyethylene Greenhouse Film UV Resistant for Grow Tunnel and Garden Hoop, Plant Cover&Frost Blanket for Season Extension, 12x20ft
By Agfabric
In Stock
$42.59

ean: 0647094027379,

Agfabric Greenhouse Films, also known as agricultural plastic, poly-film and greenhouse plastic, are ideal for your single and double layer greenhouse applications, rated for 5 year use and enjoys five advantages:1. Use high-grade olefin raw material...


Agfabric 6Mil Plastic Covering Clear Polyethylene Greenhouse Film UV Resistant for Grow Tunnel and Garden Hoop, Plant Cover&Frost Blanket for Season Extension, W10'xL25'
Agfabric 6Mil Plastic Covering Clear Polyethylene Greenhouse Film UV Resistant for Grow Tunnel and Garden Hoop, Plant Cover&Frost Blanket for Season Extension, W10'xL25'
By Agfabric
In Stock
$87.41
$64.00
You Save: 27%

mpn: FCP6M1025, ean: 0651989062031,

4.2 out of 5 stars with 9 reviews
Agfabric Greenhouse Films, also known as agricultural plastic, poly-film and greenhouse plastic, are ideal for your single and double layer greenhouse applications, rated for 5 year use and enjoys five advantages:1. Use high-grade olefin raw material...


Agfabric 5.5Mil Plastic Covering Clear Polyethylene Greenhouse Film UV Resistant for Grow Tunnel and Garden Hoop, Plant Cover&Frost Blanket for Season Extension, 12x25ft
Agfabric 5.5Mil Plastic Covering Clear Polyethylene Greenhouse Film UV Resistant for Grow Tunnel and Garden Hoop, Plant Cover&Frost Blanket for Season Extension, 12x25ft
By Agfabric
In Stock
$39.59

ean: 0649870595102,

Agfabric Greenhouse Films, also known as agricultural plastic, poly-film and greenhouse plastic, are ideal for your single and double layer greenhouse applications, rated for 5 year use and enjoys five advantages:1. Use high-grade olefin raw material...


Agfabric 2.4Mil Plastic Covering Clear Polyethylene Greenhouse Film UV Resistant for Grow Tunnel and Garden Hoop, Plant Cover&Frost Blanket for Season Extension, 12x16ft
Agfabric 2.4Mil Plastic Covering Clear Polyethylene Greenhouse Film UV Resistant for Grow Tunnel and Garden Hoop, Plant Cover&Frost Blanket for Season Extension, 12x16ft
By Agfabric
In Stock
$30.59

mpn: 43235-44231, ean: 0649870595461,

Agfabric Greenhouse Films, also known as agricultural plastic, poly-film and greenhouse plastic, are ideal for your single and double layer greenhouse applications, rated for 5 year use and enjoys five advantages:1. Use high-grade olefin raw material...


Agfabric 2.4Mil Plastic Covering Clear Polyethylene Greenhouse Film UV Resistant for Grow Tunnel and Garden Hoop, Plant Cover&Frost Blanket for Season Extension, 6.5x10ft
Agfabric 2.4Mil Plastic Covering Clear Polyethylene Greenhouse Film UV Resistant for Grow Tunnel and Garden Hoop, Plant Cover&Frost Blanket for Season Extension, 6.5x10ft
By Agfabric
In Stock
$19.99

ean: 0649870594983,

Agfabric Greenhouse Films, also known as agricultural plastic, poly-film and greenhouse plastic, are ideal for your single and double layer greenhouse applications, rated for 5 year use and enjoys five advantages:1. Use high-grade olefin raw material...


Palm Springs 3 -Tier Mini Greenhouse with Cover and Roll-up Zipper Door
Palm Springs 3 -Tier Mini Greenhouse with Cover and Roll-up Zipper Door
By Palm Springs
In Stock
$25.99

ean: 5057072021629,

Steel wire shelves in this mini greenhousePVC cover material with ippered door for easy access Specification for Palm Springs 2-Tier Mini Greenhouse Overall size (LxWxH): 27 x 19 x 37.5in Weight: 7lbs Max weight (each shelf): 11lbs Shelf size (LxW)...


Ecover 2.4Mil Greenhouse Plastic Cover Polyethylene Clear Film for Garden Plant Cover, 12 x 36ft
Ecover 2.4Mil Greenhouse Plastic Cover Polyethylene Clear Film for Garden Plant Cover, 12 x 36ft
By Ecover
In Stock
$105.89
$84.09
You Save: 21%

ean: 0651074024531,

4.6 out of 5 stars with 49 reviews
Ecover Greenhouse Plastic Cover Polyethylene Clear Film for Garden Plant CoverMaterial: high-grade olefin raw materialsColor: ClearWidth: 6ft, 6.5ft, 12ftLength: 8ft, 12ft, 16ft, 20ft, 25ft, 30ft, 35ft, 50ft, 75ft, 100ftThickness: 1.2Mil, 2.4Mil, 3.1...


Ecover 3.1Mil Greenhouse Plastic Cover Polyethylene Clear Film Garden Plant Cover, 12 x 16ft
Ecover 3.1Mil Greenhouse Plastic Cover Polyethylene Clear Film Garden Plant Cover, 12 x 16ft
By Ecover
In Stock
$54.21
$43.05
You Save: 21%

ean: 0651074024647,

4.0 out of 5 stars with 60 reviews
Ecover Greenhouse Plastic Cover Polyethylene Clear Film for Garden Plant CoverMaterial: high-grade olefin raw materialsColor: ClearWidth: 6ft, 6.5ft, 12ftLength: 8ft, 12ft, 16ft, 20ft, 25ft, 30ft, 35ft, 50ft, 75ft, 100ftThickness: 1.2Mil, 2.4Mil, 3.1...


Ecover 5.5Mil Greenhouse Plastic Cover Polyethylene Clear Film for Garden Plant Cover, 12 x 50ft
Ecover 5.5Mil Greenhouse Plastic Cover Polyethylene Clear Film for Garden Plant Cover, 12 x 50ft
By Ecover
In Stock
$104.32
$82.84
You Save: 21%

ean: 0651074024609,

4.9 out of 5 stars with 33 reviews
Ecover Greenhouse Plastic Cover Polyethylene Clear Film for Garden Plant CoverMaterial: high-grade olefin raw materialsColor: ClearWidth: 6ft, 6.5ft, 12ftLength: 8ft, 12ft, 16ft, 20ft, 25ft, 30ft, 35ft, 50ft, 75ft, 100ftThickness: 1.2Mil, 2.4Mil, 3.1...


Agfabric 2.4Mil Plastic Covering Clear Polyethylene Greenhouse Film UV Resistant for Grow Tunnel and Garden Hoop, Plant Cover&Frost Blanket for Season Extension, 6.5x30ft
Agfabric 2.4Mil Plastic Covering Clear Polyethylene Greenhouse Film UV Resistant for Grow Tunnel and Garden Hoop, Plant Cover&Frost Blanket for Season Extension, 6.5x30ft
By Agfabric
In Stock
$29.99

ean: 0649870595225,

Agfabric Greenhouse Films, also known as agricultural plastic, poly-film and greenhouse plastic, are ideal for your single and double layer greenhouse applications, rated for 5 year use and enjoys five advantages:1. Use high-grade olefin raw material...


Agfabric 1.2Mil Plastic Covering Clear Polyethylene Greenhouse Film UV Resistant for Grow Tunnel and Garden Hoop, Plant Cover&Frost Blanket for Season Extension, 6x32ft
Agfabric 1.2Mil Plastic Covering Clear Polyethylene Greenhouse Film UV Resistant for Grow Tunnel and Garden Hoop, Plant Cover&Frost Blanket for Season Extension, 6x32ft
By Agfabric
In Stock
$30.99

mpn: 4316265675, ean: 0643597937047,

Agfabric Greenhouse Films, also known as agricultural plastic, poly-film and greenhouse plastic, are ideal for your single and double layer greenhouse applications, rated for 5 year use and enjoys five advantages:1. Use high-grade olefin raw material...


Agfabric 2.4Mil Plastic Covering Clear Polyethylene Greenhouse Film UV Resistant for Grow Tunnel and Garden Hoop, Plant Cover&Frost Blanket for Season Extension, 12x25ft
Agfabric 2.4Mil Plastic Covering Clear Polyethylene Greenhouse Film UV Resistant for Grow Tunnel and Garden Hoop, Plant Cover&Frost Blanket for Season Extension, 12x25ft
By Agfabric
In Stock
$39.59

mpn: 4332684147, ean: 0649870595485,

Agfabric Greenhouse Films, also known as agricultural plastic, poly-film and greenhouse plastic, are ideal for your single and double layer greenhouse applications, rated for 5 year use and enjoys five advantages:1. Use high-grade olefin raw material...


Ez4garden Heavy-Duty Folded Tunnel Type Garden Cover Mini Greenhouse Bird Prevent Cover Plant Protector,6.6'x3.3'x3.3'
Ez4garden Heavy-Duty Folded Tunnel Type Garden Cover Mini Greenhouse Bird Prevent Cover Plant Protector,6.6'x3.3'x3.3'
By Ez4garden
In Stock
$99.69
$76.99
You Save: 23%

mpn: P1TTGC663333, ean: 0651989119391,

4.6 out of 5 stars with 8 reviews
our open long "tunnel" style greenhouses are lightweight yet sturdy enough to ensure long-lasting use. Perfect if you want to reduce excessive heat or cold and keep your seedlings safe throughout the seasons. The zipper door allows for easy access an...


totoshop 7'x3'x3' Greenhouse Mini Portable Gardening Flower Plants Yard Hot House Tunnel
totoshop 7'x3'x3' Greenhouse Mini Portable Gardening Flower Plants Yard Hot House Tunnel
By totoshop
In Stock
$64.99

mpn: does not apply, ean: 0763885603093,

Superior coverings built over a powder-coated steel frame, our open long "tunnel" style greenhouses are lightweight yet sturdy enough to ensure long-lasting use. Perfect if you want to reduce excessive heat or cold and keep your seedlings safe throug...


Alitop 7'x3'x3' Greenhouse Mini Portable Gardening Flower Plants Yard Hot House Tunnel
Alitop 7'x3'x3' Greenhouse Mini Portable Gardening Flower Plants Yard Hot House Tunnel
By Alitop
In Stock
$69.28

ean: 0745556988807,

This is a great green house for you to garden vegetable and flowers in those cold days. Constructed by PE cloth and steel tube, it not only can protect your plants from fierce sunlight, but it can also form a strong house to protect the plants from r...



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