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Greenhouses

About greenhouses

Greenhouses and coldframes are great options to raise the ambient temperature and allow you to grow in frosty weather, get a jump-start on your seed starting, or shelter delicate plants from the elements. Choose from our selection of coldframes, greenhouse plastic, or beautiful redwood greenhouse kits.

Regulate temperatures in your greenhouse or coldframe with automatic vent openers. If you are building your own greenhouse and need plans, or just want to know more, check out the DIY books that are our staff favorites.

FREE SHIPPING on Greenhouse Kits and any accessories that are ordered at the same time as a greenhouse to the Continental US!

Greenhouse Poly - Tufflite IV Clear (16' x 100' Roll)
Greenhouse Poly - Tufflite IV Clear (16' x 100' Roll)

SEG116

$199.00 As low as: $179.10
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Super Strong Woven Poly (10' Wide, Sold by the Ft)
Super Strong Woven Poly (10' Wide, Sold by the Ft)

SEG300

$4.98 As low as: $3.98
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Greenhouse Poly - Tufflite IV Clear (24' x 100' Roll)
Greenhouse Poly - Tufflite IV Clear (24' x 100' Roll)

SEG124

$289.00 As low as: $260.10
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Super Strong Woven Poly (20' Wide, Sold by the Ft)
Super Strong Woven Poly (20' Wide, Sold by the Ft)

SEG305

$9.98 As low as: $7.98
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Greenhouse Poly - Tufflite IV Clear (28' x 100' Roll)
Greenhouse Poly - Tufflite IV Clear (28' x 100' Roll)

SEG128

$298.00 As low as: $268.20
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Greenhouse Poly - Tufflite IV Clear (14' x 100' Roll)
Greenhouse Poly - Tufflite IV Clear (14' x 100' Roll)

SEG114

$179.00 As low as: $161.10
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Super Strong Woven Poly (30' Wide, Sold By the Ft)
Super Strong Woven Poly (30' Wide, Sold By the Ft)

SEG310

$14.98 As low as: $11.98
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Greenhouse Poly - Tufflite IV Clear (10' x 100' Roll)
Greenhouse Poly - Tufflite IV Clear (10' x 100' Roll)

SEG110

$129.00 As low as: $116.10
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Greenhouse Poly - Tufflite IV Clear (20' x 100' Roll)
Greenhouse Poly - Tufflite IV Clear (20' x 100' Roll)

SEG100B

$249.00 As low as: $224.10
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Super Strong Woven Poly (12' Wide, Sold by the Ft)
Super Strong Woven Poly (12' Wide, Sold by the Ft)

SEG302

$5.98 As low as: $4.78
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Greenhouse Poly - Tufflite IV Clear (42' x 100' Roll)
Greenhouse Poly - Tufflite IV Clear (42' x 100' Roll)

SEG142D

$398.00 As low as: $358.20
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Greenhouse Poly - Tufflite IR Infrared (20' x 100' Roll)
Greenhouse Poly - Tufflite IR Infrared (20' x 100' Roll)

SEG120B

$279.00 As low as: $251.10
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Greenhouse Poly - Tufflite IV Clear (40' x 100' Roll)
Greenhouse Poly - Tufflite IV Clear (40' x 100' Roll)

SEG140D

$378.00 As low as: $340.20
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Super Strong Woven Poly (24' Wide, Sold By The Ft)
Super Strong Woven Poly (24' Wide, Sold By The Ft)

SEG306

$11.98 As low as: $9.58
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Super Strong Woven Poly (36' Wide, Sold By The Ft)
Super Strong Woven Poly (36' Wide, Sold By The Ft)

SEG318

$17.98 As low as: $14.38
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Snap Cross (1 1/2")
Snap Cross (1 1/2")

SER294

$3.49 As low as: $2.62
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Snap Cross (1 1/4")
Snap Cross (1 1/4")

SER293

$3.09 As low as: $2.32
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Snap Cross (1")
Snap Cross (1")

SER292

$2.29 As low as: $1.72
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Snap Cross (3/4")
Snap Cross (3/4")

SER291

$1.99 As low as: $1.49
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Snap Cross (1/2")
Snap Cross (1/2")

SER290

$1.69 As low as: $1.27
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Aluminum Snap On Hinge (1")
Aluminum Snap On Hinge (1")

SER259

$7.49 As low as: $5.62
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