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Season Extenders & Plant Aids  (50 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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Panacea Rustic Wire Garden Cloches, 20"H, Pack of 6
PAP-83280-CP6
Now: $129.99
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Panacea Rustic Wire Garden Cloches, 20"H, Pack of 12
PAP-83280-CP12
Reg:  $259.99
Now: $224.99
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Gardeneer Season Starter Plant Insulators, Pack of 9
GAD-PIN-9-CP3
Reg:  $64.99
Now: $59.99
1403 in Stock
Ships from OH
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Gardman Greenhouse Glazing Set, 6' x 8'
GAR-G7021
Reg:  $379.99
Sale: $179.99
3 in Stock , 3 available at this price!
Ships from OH
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Gardman Small Fruit Cages, Black, 47"H, Pack of 2
GAR-7660-CP2
Reg:  $109.99
Now: $96.99
45 in Stock
Ships from OH
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Gardman Medium Fruit Cage, Black, 63"H
GAR-7661
Reg:  $91.99
Now: $89.99
Temporarily out of stock. Available soon.
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Gardman Spiral Tree Wraps, Beige, 28", Pack of 250
GAR-C272WE-B-CP
Reg:  $357.99
Now: $299.99
2 in Stock
Ships from OH
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Miracle Tube Vented Seedling Protectors, 48"H, Pack of 5
TRP-MIRACLE-48-CP5
Reg:  $39.99
Now: $28.99
33 in Stock
Ships from OH
Free Shipping Over $75
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DRAMM ColorStorm Tree Soaker Ring, 10'
DRA-10-17053
Reg:  $16.99
Now: $13.99
Temporarily out of stock. Available soon.
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Gardman Walk-In Fruit Cage, Black, 76"H
GAR-7662
Reg:  $248.99
Now: $199.99
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Miracle Tube Vented Seedling Protectors, 60"H, Pack of 5
TRP-MIRACLE-60-CP5
Reg:  $44.99
Now: $32.99
35 in Stock
Ships from OH
Free Shipping Over $75
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Gardman Spiral Tree Wraps, White, 28", Pack of 250
GAR-C272WE-CP
Reg:  $357.99
Sale: $299.99
3 in Stock , 1 available at this price!
Ships from OH
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DRAMM ColorStorm Tree Soaker Rings, 10', Pack of 5
DRA-10-17053-CP5
Reg:  $84.99
Now: $62.99
2 in Stock
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Free Shipping Over $75
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Gardeneer Season Starter Plant Insulators, Bulk Box
GAD-PIN-9-CP9
Reg:  $194.99
Now: $139.99
3 in Stock
Ships from OH
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DRAMM ColorStorm Tree Soaker Rings, 5', Pack of 5
DRA-10-17052-CP5
Reg:  $69.99
Now: $52.99
120 in Stock
Ships from OH
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Gardeneer Red Tomato Enhancing Trays, Pack of 12
GAD-AU-16R-CP4
Reg:  $54.99
Now: $42.99
142 in Stock
Ships from OH
Free Shipping Over $75
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Tree Pro Bark Pro Vented Tree Protectors, 36"H, Pack of 5
TRP-BARKPRO-36-CP5
Reg:  $34.99
Now: $24.99
16 in Stock
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Free Shipping Over $75
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Tree Pro Standard Vented Seedling Protectors, 60"H, 5 Pack
TRP-TREEPRO-60-CP5
Reg:  $44.99
Now: $33.99
44 in Stock
Ships from OH
Free Shipping Over $75
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Gardeneer Tree Guards, Bulk Pack of 30
GAD-TG30-CP30
Reg:  $73.99
Now: $69.99
6 in Stock
Ships from OH
Free Shipping Over $75
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Esschert Design Cast Iron Garden Twine Holder with Scissors
ESD-TG214
Reg:  $39.99
Now: $26.99
5 in Stock
Ships from OH
Free Shipping Over $75
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Esschert Design Two Terracotta Bowls with Wire Cloches
ESD-AT36
Reg:  $62.99
Now: $52.99
4 in Stock
Ships from OH
Free Shipping Over $75
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Tree Pro Standard Vented Seedling Protectors, 48"H, 5 Pack
TRP-TREEPRO-48-CP5
Reg:  $39.99
Now: $27.99
45 in Stock
Ships from OH
Free Shipping Over $75
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Miracle Tube Vented Seedling Protectors, 36"H, Pack of 5
TRP-MIRACLE-36-CP5
Reg:  $34.99
Now: $24.99
45 in Stock
Ships from OH
Free Shipping Over $75
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Tree Pro Bark Pro Vented Tree Protectors, 24"H, Pack of 5
TRP-BARKPRO-24-CP5
Reg:  $29.99
Now: $19.99
20 in Stock
Ships from OH
Free Shipping Over $75
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Vita Gardens Keyhole Garden with Trellis and Greenhouse
VIG-VT17122
Reg:  $610.99
Now: $435.99
2 in Stock
Ships from OH
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Esschert Design Paper Seedling Pot Molds, Set of 3
ESD-W4008-CP3
Reg:  $39.99
Now: $28.99
3 in Stock
Ships from OH
Free Shipping Over $75
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Esschert Design Activated Carbon for Terrariums, 3.5 oz.
ESD-AGG61
Reg:  $4.99
Now: $4.75
6 in Stock
Ships from OH
Free Shipping Over $75
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Harvest Guard Frost and Seedling Protector, 10' x 15'
GAD-GF-1015
Reg:  $14.49
Now: $11.99
Temporarily out of stock. Available soon.
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Harvest Guard Frost and Seedling Protector, 5' x 25'
GAD-HG-25
Reg:  $16.49
Now: $13.49
Temporarily out of stock. Available soon.
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Free Shipping Over $75



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DRAMM ColorStorm Tree Soaker Ring, 5'
DRA-10-17052
Reg:  $13.99
Now: $10.99
Temporarily out of stock. Available soon.
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Free Shipping Over $75



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Esschert Design Paper Seedling Pot Mold
ESD-W4008
Reg:  $13.99
Now: $9.99
21 in Stock
Ships from OH
Free Shipping Over $75
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Harvest Guard Frost and Seedling Protector, 40" x 50'
GAD-GF-4050
Reg:  $13.49
Now: $10.99
13 in Stock
Ships from OH
Free Shipping Over $75
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Harvest Guard Frost and Seedling Protector, 5' x 50'
GAD-HG-50
Reg:  $27.99
Now: $21.49
Temporarily out of stock. Available soon.
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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
Sale: $7.99
5 in Stock , 5 available at this price!
Ships from OH
Free Shipping Over $75
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Gardeneer Frost Protector Plant Bag, 8' x 6'
GAD-SPB5-6
Reg:  $11.99
Sale: $8.99
62 in Stock , 34 available at this price!
Ships from OH
Free Shipping Over $75
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Esschert Design Drainage Stones for Terrariums, Black, 11 lb
ESD-AGG59-BLK
Reg:  $18.99
Sale: $12.99
4 in Stock , 4 available at this price!
Ships from OH
Free Shipping Over $75
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Esschert Design Drainage Stones for Terrariums, White, 11 lb
ESD-AGG59-WHT
Reg:  $18.99
Sale: $12.99
4 in Stock , 4 available at this price!
Ships from OH
Free Shipping Over $75
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Miracle Tube Vented Seedling Protectors w/Stakes, 48", 5 Pk
TRP-MIRSTK-48-CP5
Reg:  $56.99
Now: $34.99
1 in Stock
Ships from OH
Free Shipping Over $75
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Miracle Tube Vented Seedling Protectors w/Stakes, 60", 5 Pk
TRP-MIRSTK-60-CP5
Reg:  $67.99
Now: $38.99
1 in Stock
Ships from OH
Free Shipping Over $75
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Gardeneer Frost Protector Plant Bags, 8' x 6' each, 6 Pack
GAD-SPB5-6-CP6
Reg:  $71.99
Now: $49.99
1 in Stock
Ships from OH
Free Shipping Over $75
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Tree Pro Bark Pro Vented Tree Protectors, 24"H, Pack of 20
TRP-BARKPRO-24-CP20
Reg:  $99.99
Now: $59.99
1 in Stock
Ships from OH
Free Shipping Over $75
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Tree Pro Bark Pro Vented Tree Protectors, 36"H, Pack of 20
TRP-BARKPRO-36-CP20
Reg:  $139.99
Now: $69.99
1 in Stock
Ships from OH
Free Shipping Over $75
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Miracle Tube Vented Seedling Protectors, 36"H, Pack of 20
TRP-MIRACLE-36-CP20
Reg:  $99.99
Now: $74.99
1 in Stock
Ships from OH
Free Shipping Over $75
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Tree Pro Standard Vented Seedling Protectors, 48"H, 20 Pack
TRP-TREEPRO-48-CP20
Reg:  $159.99
Now: $83.99
1 in Stock
Ships from OH
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Miracle Tube Vented Seedling Protectors, 48"H, Pack of 20
TRP-MIRACLE-48-CP20
Reg:  $159.99
Now: $99.99
1 in Stock
Ships from OH
Free Shipping
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Tree Pro Standard Vented Seedling Protectors, 60"H, 20 Pack
TRP-TREEPRO-60-CP20
Reg:  $179.99
Now: $99.99
1 in Stock
Ships from OH
Free Shipping
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Miracle Tube Vented Seedling Protectors, 60"H, Pack of 20
TRP-MIRACLE-60-CP20
Reg:  $179.99
Now: $109.99
1 in Stock
Ships from OH
Free Shipping
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Miracle Tube Vented Seedling Protectors w/Stakes, 48", 20 Pk
TRP-MIRSTK-48-CP20
Reg:  $227.99
Now: $134.99
1 in Stock
Ships from OH
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Miracle Tube Vented Seedling Protectors w/Stakes, 60", 20 Pk
TRP-MIRSTK-60-CP20
Reg:  $199.99
Now: $149.99
1 in Stock
Ships from OH
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Gardman Spiral Tree Wraps, White, 17", Pack of 250
GAR-C270WE-CP
Reg:  $263.99
Sale: $169.99
6 in Stock , 6 available at this price!
Ships from OH
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