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Greenhouses - Mega Sale! Save up to 24%


Mega Sale! Up to 24% off on Greenhouses at Knock Knock. Top brands include oldzon, SKEMiDEX, Unbran, MRT SUPPLY, ALEKO, Best Choice Products, Outsunny, Auténtico, & OGrow. Hurry! Limited time offers. Offers valid only while supplies last.



Walk-In Greenhouse 19.75' Extra Large PE Cover Outdoor Backyard Plant Garden With Ebook
Walk-In Greenhouse 19.75' Extra Large PE Cover Outdoor Backyard Plant Garden With Ebook
In Stock
$418.00

ean: 6219599234251,

This multifunctional and compact tunnel is well integrated into gardens or backyards. Ideal for cultivating plants, flowers, vegetables effectively in all seasons, it protects crops from cold, frost, and hail in winter and stimulates growth in spring...


Walk-In Greenhouse 20' x 10' x 7' Large PE Cover Outdoor Backyard Plant Garden With Ebook
Walk-In Greenhouse 20' x 10' x 7' Large PE Cover Outdoor Backyard Plant Garden With Ebook
In Stock
$338.00

ean: 6219599234268,

Are you a home gardening enthusiast looking for a way to stay in the soil year round? This portable walk-in greenhouses offers the protective setting you crave without the need to spend exorbitant amounts of money. The plastic mesh cloth cover keeps ...


SKEMiDEX---4 x6 ft Walk-in Garden Greenhouse Heavy Duty Green House Roof Aluminum Frame. You can put it in your garden, lawn, backyard, and even in your terrace, deck and balcony
SKEMiDEX---4 x6 ft Walk-in Garden Greenhouse Heavy Duty Green House Roof Aluminum Frame. You can put it in your garden, lawn, backyard, and even in your terrace, deck and balcony
In Stock
$480.98

ean: 0689524853264,

⭐⭐⭐⭐⭐✔️UNIQUE DESIGN! The high-quality crystal clear roof blocks ultraviolet and rain, which not only protect plants, but also provide enough light for plant growth . With this greenhouse, you could still enjoy the fun of planting even ...


Larger Heavy Duty Greenhouse Walk In Tunnel Green House Outdoor Garden
Larger Heavy Duty Greenhouse Walk In Tunnel Green House Outdoor Garden
In Stock
$184.00

ean: 0717261822097,

Larger Heavy Duty Greenhouse Walk In Tunnel Green House Outdoor Garden เปลนอน 17This is our Tunnel Greenhouse,which will protect your flowers and lovely plant from rainy,windy, snowy or other bad weather conditions.. Brand new and good ...


Walk in Portable Greenhouse 7.5' Outdoor Gardening Plant with ebook
Walk in Portable Greenhouse 7.5' Outdoor Gardening Plant with ebook
In Stock
$242.48

ean: 7041608045454,

This open "walk in" portable greenhouse utilizes lightweight, yet sturdy, PVC coverings built over a powder-coated steel frame. The combination of these two elements is an incredibly durable final product that can be moved from location to location, ...


Green House 5' x 5' x 6' Portable Greenhouse Walk-In Plant Garden with ebook
Green House 5' x 5' x 6' Portable Greenhouse Walk-In Plant Garden with ebook
In Stock
$149.00

ean: 6604976228327,

This open "walk in" portable greenhouse utilizes lightweight, yet sturdy, PVC coverings built over a powder-coated steel frame. The combination of these two elements is an incredibly durable final product that can be moved from location to location, ...


Green House 20' x 10' x 7' Portable Greenhouse Walk-In Plant Garden with ebook
Green House 20' x 10' x 7' Portable Greenhouse Walk-In Plant Garden with ebook
In Stock
$447.00

ean: 6604976228570,

Are you a home gardening enthusiast looking for a way to stay in the soil year round? This portable walk-in greenhouse offers the protective setting you crave without the need to spend exorbitant amounts of money. The PE mesh cloth cover keeps your c...


Green House 26' x 10' x 7' Portable Greenhouse Walk-In Plant Garden with ebook
Green House 26' x 10' x 7' Portable Greenhouse Walk-In Plant Garden with ebook
In Stock
$624.98

ean: 6604976228587,

Are you a home gardening enthusiast looking for a way to stay in the soil year round? This portable walk-in greenhouse offers the protective setting you crave without the need to spend exorbitant amounts of money. The PE mesh cloth cover keeps your c...


New Green House 15' x 7' x 7 Walk-In Outdoor Plant Gardening with ebook
New Green House 15' x 7' x 7 Walk-In Outdoor Plant Gardening with ebook
In Stock
$224.00

ean: 6604976228594,

Are you a home gardening enthusiast looking for a way to stay in the soil year round? This portable walk-in greenhouse offers the protective setting you crave without the need to spend exorbitant amounts of money. The PE mesh cloth cover keeps your c...


Large Green Greenhouse Portable Gardening Outdoor with ebook
Large Green Greenhouse Portable Gardening Outdoor with ebook
In Stock
$262.00

ean: 6604976228600,

Are you a home gardening enthusiast looking for a way to stay in the soil year round? This portable walk-in greenhouse offers the protective setting you crave without the need to spend exorbitant amounts of money. The PE mesh cloth cover keeps your c...


White Walk In Greenhouse 11' x 10' x 7' Plastic Tunnel Cover Kit Plant with ebook
White Walk In Greenhouse 11' x 10' x 7' Plastic Tunnel Cover Kit Plant with ebook
In Stock
$274.98

ean: 6604976228617,

This 11' x 10' x 7' 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...


White Walk In Greenhouse 19.5' Portable Plastic Tunnel Cover Kit Plant with ebook
White Walk In Greenhouse 19.5' Portable Plastic Tunnel Cover Kit Plant with ebook
In Stock
$397.00

ean: 7041608045126,

This 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 deal of gr...


ALEKO GHOT12X7X7 Large Poly-Tunnel Walk In Waterproof Plant Garden Outdoor Greenhouse Shed 12X7X7 Feet
ALEKO GHOT12X7X7 Large Poly-Tunnel Walk In Waterproof Plant Garden Outdoor Greenhouse Shed 12X7X7 Feet
In Stock
$119.99

mpn: GHOT12X7X7, ean: 0646341977184,

This spacious walk in poly-tunnel greenhouse is the perfect space to grow your garden year round. Great for starting and protecting plants and flowers. The heavy duty PE mesh cloth is waterproof and UV protected. Made of strong and durable powder coa...


Portable Greenhouse Indoor Outdoor Grow Plant Home Garden with Ebook
Portable Greenhouse Indoor Outdoor Grow Plant Home Garden with Ebook
In Stock
$145.00

ean: 6604976228266,

Go green with this 52 Inch Aluminum Cold Frame Double Greenhouse and grow what you want, when you want, all throughout the year. Transparent polycarbonate panels allow maximum light transmission while retaining heat for early seed sprouting or for pr...


Best Choice Products Greenhouse 12' X 7' X 7' Large Outdoor Green House Plant Gardening Garden New
Best Choice Products Greenhouse 12' X 7' X 7' Large Outdoor Green House Plant Gardening Garden New
In Stock
$209.09

mpn: SKY882, ean: 0813373018813,

Best Choice Products is proud to present this brand new Outdoor Greenhouse. It is equipped with a UV protected, waterproof, & PE reinforced cover. The cover is transparent poly material that will give maximum solar performance for your plants. It sta...


Outsunny 20' x 10' x 7' Portable Walk-In Garden Greenhouse - Deep Green
Outsunny 20' x 10' x 7' Portable Walk-In Garden Greenhouse - Deep Green
In Stock
$249.99
$189.00
You Save: 24%

mpn: 845-018, ean: 0763250271582,

4.5 out of 5 stars with 39 reviews
Are you a home gardening enthusiast looking for a way to stay in the soil year round? The Outsunny portable walk-in greenhouse offers the protective setting you crave without the need to spend exorbitant amounts of money. The PE mesh cloth cover keep...


9' X 6' Grey Garden Shed Craft Lawn Tools Bicycles Pool Supplies Storage House Patio Backyard Décor 2 Sliding Door 2 Ventilation Window Durable Steel Frame Construction Corrosion Resistant
9' X 6' Grey Garden Shed Craft Lawn Tools Bicycles Pool Supplies Storage House Patio Backyard Décor 2 Sliding Door 2 Ventilation Window Durable Steel Frame Construction Corrosion Resistant
In Stock
$425.99

mpn: Does Not Apply, ean: 0766970818587,

This our new garden storage house, is perfect for garden tools storage. When 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 crafts...


ALEKO GHT10X20X6 Spacious Waterproof Poly-Tunnel Walk In Plant Garden Outdoor Greenhouse Shed 9.5X19.5X6.5 Feet
ALEKO GHT10X20X6 Spacious Waterproof Poly-Tunnel Walk In Plant Garden Outdoor Greenhouse Shed 9.5X19.5X6.5 Feet
In Stock
$199.99

mpn: GHT10X20X6, ean: 0646341976903,

This spacious walk in poly-tunnel greenhouse is the perfect space to grow your garden year round. Great for starting and protecting plants and flowers. The heavy duty PE mesh cloth is waterproof and UV protected. Sets up in less than 5 minutes with n...


Large Greenhouse 20' x 10' x 7' Gardening Flower Plants Yard Tunnel with ebook
Large Greenhouse 20' x 10' x 7' Gardening Flower Plants Yard Tunnel with ebook
In Stock
$372.00

ean: 6604976228631,

Are you a home gardener enthusiast and looking for a way to stay in the soil all year round? Try out our wonderful greenhouse design that brings in the protective surroundings that you need, without spending the exorbitant amount of money needed for ...


Premium Mini Greenhouse Miniature Plastic Gardening Cover Portable for Patio or Backyard in Small Garden Shelving Shed Frame with Shelves Vertical Design
Premium Mini Greenhouse Miniature Plastic Gardening Cover Portable for Patio or Backyard in Small Garden Shelving Shed Frame with Shelves Vertical Design
In Stock
$109.00

ean: 0755263232056,

This Ogrow greenhouse is sure to get you up and growing in no time. This Compact and portable 62" H x 27" W x 19" D 4 tier greenhouse features heavy duty sturdy steel frame. Strong durable clear cover manufactured from heavy duty material. Comes with...



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