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Season Extenders & Plant Aids  (28 Season Extenders & Plant Aids)

Lengthen the growing season for your favorite plants and vegetables using a season extender. Such extenders can be greenhouses, covers, or frost blankets. Greenhouses offer storage for your young or fragile plants, and the glazing on their sides captures the heat of the sun for a warm enclosure. Frost blankets, covers, and plant insulators surround or cover young plants, protecting them from cool air in the beginning of the growing season. Lighted tables create spaces for plants in your home, and specifically designed trays help plants flourish. Find all you need for a long growing season in our Season Extenders department.

Sort by:  Featured Products  |  Manufacturer & Sku  |  Price  |  Just Reduced  |  Made in USA

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Gardman Greenhouse Glazing Set, 6' x 8'
GAR-G7021
Reg:  $379.99
Sale: $189.99
3 in Stock , 3 available at this price!
Ships from OH within 24 business hours
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Master Gardner Frost Blanket, 8 degree, 5' x 300'
MGC-1188
Reg:  $119.99
Now: $99.99
14 in Stock
Ships from OH within 24 business hours
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Master Gardner Seed & Frost Blanket, 4 degree, 6' x 50'
MGC-737-F
Reg:  $12.49
Now: $9.99
109 in Stock
Ships from OH within 24 business hours
Free Shipping Over $75
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Gardman Walk-In Greenhouse with Shelving, 75"H
GAR-7622
Reg:  $149.99
Now: $119.99
16 in Stock
Ships from OH within 24 business hours
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Gardman Walk In Hoop Greenhouse with Windows, 75"H
GAR-7624
Reg:  $279.99
Now: $214.99
7 in Stock
Ships from OH within 24 business hours
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Gardman Five Tier Mini Greenhouse, 79"H
GAR-R700
Reg:  $69.99
Now: $62.99
23 in Stock
Ships from OH within 24 business hours
Free Shipping Over $75
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Gardman Wooden Cold Frame Growhouse
GAR-7652
Reg:  $224.99
Now: $164.99
5 in Stock
Ships from OH within 24 business hours
Free Shipping
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Gardman Large Wooden Cold Frame
GAR-7650
Reg:  $139.99
Now: $99.99
11 in Stock
Ships from OH within 24 business hours
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Master Gardner Frost Jacket, 8 degree, 5' x 5'
MGC-1010
Reg:  $12.99
Now: $10.99
52 in Stock
Ships from OH within 24 business hours
Free Shipping Over $75
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Master Gardner Frost Jacket, 8 degree, 4' x 4', Pack of 2
MGC-0808
Reg:  $12.99
Now: $10.99
35 in Stock
Ships from OH within 24 business hours
Free Shipping Over $75
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Gardeneer Frost Protector Plant Bag, 8' x 6'
GAD-SPB5-6
Reg:  $10.49
Now: $7.49
107 in Stock
Ships from OH within 24 business hours
Free Shipping Over $75
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Master Gardner Frost Jacket, 8 degree, 3' x 3', Pack of 3
MGC-0606
Reg:  $12.99
Now: $10.99
23 in Stock
Ships from OH within 24 business hours
Free Shipping Over $75
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Gardman Four Tier Mini Greenhouse & Cover, 63"H
GAR-7610
Reg:  $72.99
Sale: $44.99
13 in Stock , 1 available at this price!
Ships from OH within 24 business hours
Free Shipping Over $75
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Esschert Design Hardwood Cold Frame Grow Box
ESD-GT32
Reg:  $399.99
Now: $289.99
3 in Stock
Ships from OH within 24 business hours
Free Shipping
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Esschert Design Paper Seedling Pot Mold
ESD-W4008
Reg:  $7.99
Now: $7.49
12 in Stock
Ships from OH within 24 business hours
Free Shipping Over $75
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Pondmaster Hydroponic Herb Garden Kit
PON-41005
Reg:  $152.99
Now: $109.99
2 in Stock
Ships from OH within 24 business hours
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Harvest Guard Frost and Seedling Protector, 5' x 25'
GAD-HG-25
Reg:  $15.49
Now: $10.99
1 in Stock
Ships from OH within 24 business hours
Free Shipping Over $75
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Gardman Walk-In Fruit Cage, Black, 76"H
GAR-7662
Reg:  $219.99
Now: $169.99
3 in Stock
Ships from OH within 24 business hours
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Harvest Guard Frost and Seedling Protector, 10' x 15'
GAD-GF-1015
Reg:  $13.99
Now: $10.49
7 in Stock
Ships from OH within 24 business hours
Free Shipping Over $75
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Liquid Fence FreezePruf Plant Frost Protection, RTU, 1 gal.
LFC-01009
Reg:  $47.99
Sale: $24.99
2 in Stock , 2 available at this price!
Ships from OH within 24 business hours
Free Shipping Over $75
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Harvest Guard Frost and Seedling Protector, 5' x 50'
GAD-HG-50
Reg:  $24.99
Now: $18.99
5 in Stock
Ships from OH within 24 business hours
Free Shipping Over $75
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Gardman Four Tier Mini Greenhouse, 63"H
GAR-R687
Reg:  $64.99
Now: $49.99
4 in Stock
Ships from OH within 24 business hours
Free Shipping Over $75
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Harvest Guard Frost and Seedling Protector, 40" x 50'
GAD-GF-4050
Reg:  $12.99
Sale: $7.99
33 in Stock , 6 available at this price!
Ships from OH within 24 business hours
Free Shipping Over $75
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Master Gardner New Tree Care Kit
MGC-819
Reg:  $11.49
Sale: $6.19
5 in Stock , 5 available at this price!
Ships from OH within 24 business hours
Free Shipping Over $75
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EarthWay Pyramid Terraced Garden Plastic Cover
EWP-3042A
Reg:  $37.99
Sale: $22.99
5 in Stock , 5 available at this price!
Ships from OH within 24 business hours
Free Shipping Over $75
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Gardman Extra Wide Four Tier Mini Greenhouse, 63"H
GAR-7600
Reg:  $104.99
Sale: $64.99
12 in Stock , 4 available at this price!
Ships from OH within 24 business hours
Free Shipping Over $75
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Gardman Small Fruit Cages, Black, 47"H, Pack of 2
GAR-7660-CP2
Reg:  $109.99
Now: $84.99
4 in Stock
Ships from OH within 24 business hours
Free Shipping
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Esschert Design Hardwood Cold Frame Grow Box, Tall
ESD-GT34
Reg:  $549.99
Now: $389.99
3 in Stock
Ships from OH within 24 business hours
Free Shipping
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