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  Our Catalog   Gardening & Lawn Care   Greenhouses & Accessories

Greenhouses & Accessories - Mega Sale! Save up to 23%


Mega Sale! Up to 23% off on Greenhouses & Accessories at Knock Knock. Top brands include Auténtico, SKEMiDEX, Ainfox, Outsunny, Weatherguard, MRT SUPPLY, The Felt Store, Bowery Hill, ATS, Generic, totoshop, Flower House, Nice1159, Spring Gardener, & Jewett Cameron Lumber Corp. Hurry! Limited time offers. Offers valid only while supplies last.



4' X 7' Grey Garden Shed Craft Lawn Tools Bicycles Pool Supplies Storage House Patio Yard Backyard Décor 2 Sliding Door 2 Ventilation Window Steel Frame Construction Corrosion Resistant
4' X 7' Grey Garden Shed Craft Lawn Tools Bicycles Pool Supplies Storage House Patio Yard Backyard Décor 2 Sliding Door 2 Ventilation Window Steel Frame Construction Corrosion Resistant
In Stock
$389.99

mpn: Does Not Apply, ean: 0766970817214,

This is our brand new tool house with dark grey appearance and beige roof that is perfect for you to place your tools. It is designed with two sliding doors and two windows for your convenience and comfort using. This item is strong and stable for it...


SKEMiDEX---8.2x6.2Ft Greenhouse Aluminum Frame All Weather Walk-In Heavy Duty Polycarbonate. You can put it in your garden, lawn, backyard, and even in your terrace, deck and balcony
SKEMiDEX---8.2x6.2Ft Greenhouse Aluminum Frame All Weather Walk-In Heavy Duty Polycarbonate. You can put it in your garden, lawn, backyard, and even in your terrace, deck and balcony
In Stock
$525.08

ean: 0689524853783,

⭐⭐⭐⭐⭐✔️UNIQUE DESIGN! A Double Window And Door With Magnetic Catch Keep Air Flowing, Helping You Control The Temperature And Humidity In Your Greenhouse. The Aluminum Frame Is Durable, Maintenance Free, And Rust Resistant Allowing You T...


Ainfox 8FT X 10FT Steel Shed Tools Storage, Utility for Outdoor Garden Backyard Lawn Warm
Ainfox 8FT X 10FT Steel Shed Tools Storage, Utility for Outdoor Garden Backyard Lawn Warm
In Stock
$549.99

mpn: AIFTL5006, ean: 0817739026634,

Feature: Sturdy Steel-Reinforced Construction Galvanized steel in finish for long-lasting use working life can be 10 years and keep stainless Shed kept dry and is resistant to corrosion and rust 2 sliding doors and 4 vents for increased lighting and ...


Outsunny 19.5' Portable Greenhouse Large Walk-In Garden Hot House - White
Outsunny 19.5' Portable Greenhouse Large Walk-In Garden Hot House - White
In Stock
$179.99

mpn: 845-069, ean: 0842525111355,

This Outsunny 19.5' Portable Walk-In Garden Greenhouse is perfect for the home gardening enthusiast who is looking for a way to stay in the soil all year-round. It offers all the protection your plants need to thrive without having to spend a great d...


Greenhouse-Weatherguard Walk In Arched Top Garden Hot House Fully Enclosed - Screend Windows for Ventilation, Zippered Door (8'W x 12'L x 6'6'''H) Mid Size Greenhouse for Backyards or Large Decks and Patios
Greenhouse-Weatherguard Walk In Arched Top Garden Hot House Fully Enclosed - Screend Windows for Ventilation, Zippered Door (8'W x 12'L x 6'6"'H) Mid Size Greenhouse for Backyards or Large Decks and Patios
In Stock
$368.94

mpn: IS 63012, ean: 0760582630124,

Weatherguard Arched Roof Greenhouse - Walk In Backyard Hobby Greenhouse - Triple ridge pole roof system safely supports the heaviest hanging plants. All-steel construction with flex frame design and 1-1/4-inch, 16-gauge steel for stability. 14-gauge ...


Greenhouse 6' x 8' x 7' Portable Aluminum Frame Polycarbonate Durable Support with ebook
Greenhouse 6' x 8' x 7' Portable Aluminum Frame Polycarbonate Durable Support with ebook
In Stock
$849.98

ean: 6604976228228,

This 6'L x 8'W x 7'H Polycarbonate Portable Walk-In Garden Greenhouse is perfect for the home gardening enthusiast who is looking for a way to stay in the soil all year-round. It offers all the protection your plants need to thrive without having to ...


Portable Greenhouse 6' x 4' x 7' Aluminum Frame Polycarbonate Durable Support with ebook
Portable Greenhouse 6' x 4' x 7' Aluminum Frame Polycarbonate Durable Support with ebook
In Stock
$599.98

ean: 6604976228211,

This 6'L x 4'W x 7'H Twin Wall Polycarbonate Portable Walk-In Garden Greenhouse is perfect for the home gardening enthusiast who is looking for a way to stay in the soil all year-round. It offers all the protection your plants need to thrive without ...


Kapmat, White: 9 Oz/Sq Yd, 36'' Wide X 80 Yd Long
Kapmat, White: 9 Oz/Sq Yd, 36" Wide X 80 Yd Long
In Stock
$1,628.60

mpn: F-INVKAPMAT9OZ36INX80YD, ean: 0738726093098,

The Felt Store's Kapmat is perfect for your Greenhouse Pot Benches or in your home garden, where a water irrigation pad is required. This is especially useful for water sensitive plants where plants may need to absorb water from below rather than be ...


Bowery Hill Backyard Greenhouse in White
Bowery Hill Backyard Greenhouse in White
In Stock
$191.99

mpn: BH-509610, ean: 0684357003268,

Start seedlings or extend your growing season with the GrowIT Backyard Greenhouse with Integrated Shelving. This easy-to-assemble, compact greenhouse is constructed with high quality steel and features 4 ft. shelving on both sides for built-in stagin...


Portable Greenhouse Patio Small Greenhouse Shelving Sheeting Pannels Garden Flowerhouse Backyard Outdoor Home & eBook by AllTim3Shopping
Portable Greenhouse Patio Small Greenhouse Shelving Sheeting Pannels Garden Flowerhouse Backyard Outdoor Home & eBook by AllTim3Shopping
By ATS
In Stock
$491.50

ean: 7456880682332,

Color: Green Material: Metal Dimensions: 108.5"L Χ 108.5"W Χ 121"Η Assembly required All flowers, plants and table not included The copyrights of the ebook (HOME DECOR EASY GUIDE) is belong to AllTim3Shopping and is registered to http://www.c...


Generic O-8-O-4281-O e Grow Plant Vegetable Vegeta Green House House P 6x8FT Greenhouse Garden d Hot G Grow Garden Backyard Hot NV_1008004281-TYQFUS32
Generic O-8-O-4281-O e Grow Plant Vegetable Vegeta Green House House P 6x8FT Greenhouse Garden d Hot G Grow Garden Backyard Hot NV_1008004281-TYQFUS32
In Stock
$417.60

mpn: NV_1008004281-TYQFUS32, ean: 6901530673747,

Features:? Easy access and great ventilation with 2 zippered doors? Great plant protection with the strong durable PE cover? Constructed with the powder coated steel frame resists peeling, corrosion and chipping? 4 rolling up windows with the insect ...


New 9'x3'x3' Greenhouse Gardening Flower Plants Yard Mini Hot Green House Tunnel
New 9'x3'x3' Greenhouse Gardening Flower Plants Yard Mini Hot Green House Tunnel
In Stock
$129.99

mpn: does not apply, ean: 5282655601039,

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...


Flower House FHFH700XL FarmHouse, X-Large
Flower House FHFH700XL FarmHouse, X-Large
In Stock
$575.00

mpn: FHFH700XL, ean: 0892514000283,

Flower House FHFH8915XL FarmHouse XL has a compact and lightweight design for easy transport, setup and take down - only minimal assembly is required. Two screened doors and a total of twelve screened vent openings allow for optimum air circulation. ...


7' X 4' Garden Shed Craft Lawn Tools Bicycles Pool Supplies Storage House Patio Yard Backyard Décor 2 Sliding Door 2 Ventilation Window Durable Steel Frame Construction Corrosion Resistant
7' X 4' Garden Shed Craft Lawn Tools Bicycles Pool Supplies Storage House Patio Yard Backyard Décor 2 Sliding Door 2 Ventilation Window Durable Steel Frame Construction Corrosion Resistant
In Stock
$349.99

mpn: Does Not Apply, ean: 0766970817191,

This our new garden storage house, is perfect for garden tools storage. When you need additional storage space ,it would be your practical and economical solution. This garden storage house can provide enough storage space for your lawn and garden cr...


8.5x8.5FT Garden Storage Shed Craft Lawn Tools Bicycle Pool Supplies Storage House Outdoor Patio Backyard Décor Sliding Door Ventilation Window Galvanized Steel Frame Construction Corrosion Resistant
8.5x8.5FT Garden Storage Shed Craft Lawn Tools Bicycle Pool Supplies Storage House Outdoor Patio Backyard Décor Sliding Door Ventilation Window Galvanized Steel Frame Construction Corrosion Resistant
In Stock
$545.99

mpn: Does Not Apply, ean: 0766970818402,

This is our well-designed, attractive outdoor garden shed which is suitable for storing toys, garden tools, seasonal decorations or other spare belongings. Equipped with two sliding doors and four ventilation windows placed high, it ensures security ...


Garage Tool Storage /Utility Outdoor Backyard - elegant and Waterproof Size 9x4 Green&White New
Garage Tool Storage /Utility Outdoor Backyard - elegant and Waterproof Size 9x4 Green&White New
In Stock
$1,099.99

ean: 0602640221465,

Garage Tool Storage /Utility Outdoor Backyard - elegant and Waterproof Size 9x4 Green&White New: Descriptions: This beautiful shed is ideal for storing your garden tools, lawn care equipment and other household items. It also features elegant and wat...


Premium Mini Greenhouse Miniature Plastic Gardening Cover Portable for Patio or Backyard in Small 6x8 Shed Frame
Premium Mini Greenhouse Miniature Plastic Gardening Cover Portable for Patio or Backyard in Small 6x8 Shed Frame
In Stock
$339.99

ean: 0755263232049,

Spring Gardener Gable Greenhouse # IS 70608 is lightweight and portable even after assembly. Place directly over top of your garden area to get an early start on the gardening season. Wing nut assembly does not require tools and is easy to set up. De...


Greenhouse-Spring Gardener Peak Roof Walk In Portable Garden Hot House Fully Enclosed - Screend Windows for Ventilation, Zippered Door (5'W x 6'L x 6.6'H) Small Hobby Greenhouse for decks, patios, porches, backyards
Greenhouse-Spring Gardener Peak Roof Walk In Portable Garden Hot House Fully Enclosed - Screend Windows for Ventilation, Zippered Door (5'W x 6'L x 6.6'H) Small Hobby Greenhouse for decks, patios, porches, backyards
In Stock
$140.33
$129.98
You Save: 7%

mpn: IS 70506, ean: 0754915705061,

4.5 out of 5 stars with 43 reviews
Spring Gardener Greenhouse - Walk In Portable Hobby Greenhouse - Gable Roof Greenhouse is lightweight and portable even after assembly. Offers plenty of headroom. Perfect for backyards, decks or patios. Place the portable hot house directly over top ...


Greenhouse-Weatherguard Walk In Arched Top Garden Hot House Fully Enclosed - Screend Windows for Ventilation, Zippered Door (6'W x 12'L x 6'6''H) Small Hobby Greenhouse for large decks, patios, porches, backyards
Greenhouse-Weatherguard Walk In Arched Top Garden Hot House Fully Enclosed - Screend Windows for Ventilation, Zippered Door (6'W x 12'L x 6'6"H) Small Hobby Greenhouse for large decks, patios, porches, backyards
In Stock
$331.50
$255.00
You Save: 23%

mpn: IS 62912, ean: 0760582629128,

4.6 out of 5 stars with 48 reviews
Weatherguard Arched Roof Greenhouse - Walk In Backyard Hobby Greenhouse - Triple ridge pole roof system safely supports the heaviest hanging plants. All-steel construction with flex frame design and 1-1/4-inch, 16-gauge steel for stability. 14-gauge ...


Greenhouse-Spring Gardener Peak Roof Walk In Portable Garden Hot House Fully Enclosed - Screend Windows for Ventilation, Zippered Door (8'W x 10'L x 8'H) Mid Size Greenhouse for Backyards or Large Decks and Patios
Greenhouse-Spring Gardener Peak Roof Walk In Portable Garden Hot House Fully Enclosed - Screend Windows for Ventilation, Zippered Door (8'W x 10'L x 8'H) Mid Size Greenhouse for Backyards or Large Decks and Patios
In Stock
$301.55

mpn: IS 70810, ean: 0754915708109,

Spring Gardener Greenhouse - Walk In Portable Hobby Greenhouse - Gable Roof Greenhouse is lightweight and portable even after assembly. Offers plenty of headroom. Perfect for backyards, decks or patios. Place the portable hot house directly over top ...



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