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Cold Frame Package

16' wide cold frame package with covering starts at $1647 with FREE shipping!

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Heating & Accessories

Heating

Greenhouse Heaters, Garage Heaters, Natural Gas, Propane & Electric Heaters

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Seed Starting

All the seed starting supplies you need, from grow lights, heat mats & plug flats

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Find Plant Propagation Supplies, Seed Starting Trays and Kits, Wand Seeders & More

We have everything you need to make seed starting and plant propagation easy.

Learn & Grow   View Articles


From growing vegetables to greenhouse care, we have created and compiled a huge selection of gardening and growing articles for your reading pleasure.

Overstock Deals   View Deals


Find great deals and low prices in our Overstock Department, where you can browse a wide variety of gardening supplies, tools, and even greenhouses.



New Products

Solagrow Woven Film, 6 mil.
Solagrow Woven Film, 6 mil.

The Solagrow Woven Film is an ideal cold frame or hoop house wall covering. Made from tear-resistant, woven polyethylene cloth, the Woven Film i...

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8 mil White/Black Reinforced Film
8 mil White/Black Reinforced Film

100% light blocking, with no pinholes or perforations! 8 mil Black/White string reinforced polyethylene film manufactured with a mix of virgin poly...

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Solo 4 Gallon Backpack Sprayer - Piston Pump
Solo 4 Gallon Backpack Sprayer - Piston Pump

The Solo 4 Gallon Backpack Sprayer is a long-lasting, easy-to-use chemical applicator. Made of high-density polyethylene with UV inhibitors and f...

Price: $96.95

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Rosemoore Combi Greenhouse/Shed
Rosemoore Combi Greenhouse/Shed

The Rosemoor Combi Greenhouse/Shed is a 6' W x 8' L greenhouse attached to a 7' W x 4 1/2' L shed. The entire structure is made from western red ce...

Price: $11995.00

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We Sell the Things That Make Plants Grow

Greenhouse Megastore is not only a leading online retailer for greenhouses and greenhouse supplies, but also garden supplies of all types, plant pots, polycarbonate panels and other plastic sheets, shade cloth, weed barrier, hydroponic supplies, grow lights and much, much more! Shop from our commercial quality products without being forced to pay commercial prices or order commercial quantities. Greenhouse Megastore is perfect for the professional grower and the hobby gardener alike!

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