Greenhouse Cooling

Exhaust Fans, Motorized Shutters, Vents, and More...

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Plastic Film

Polyethylene film in varieties of thickness and size

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Stop weeds before they start!

Greenhouse Megastore is fully stocked with multiple sizes of landscape fabric.

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Ground Cover, Landscape Fabric, Weed Control Fabric, Dewitt Weed Barrier...

Find the perfect weed barrier for all your landscaping.

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

Outdoor Living Cedar Greenhouse, 8' wide - 8' wide x 8' long
Outdoor Living Cedar Greenhouse, 8' wide - 8' wide x 8' long

With its durable frame and 6mm Twin Wall Polycarbonate covering, the Cedar Greenhouse is not just an ideal place for plants, but an idyllic struc...

Price: $2819.00

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Cosmo 18
Cosmo 18" Square Planter

The Cosmopolitan Square planter comes in two sizes and a variety of colors.

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Sunflower, Skyscraper
Sunflower, Skyscraper

Annual. Bright yellow flowers grow to 14 inches or better with strong stalks.

Price: $1.99

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Plant!t Organic Coco Planting Mix
Plant!t Organic Coco Planting Mix

Ideal for hydroponic systems, the Organic Coco Planting Mix is a great way to encourage root growth for indoor and outdoor flowers, vegetables, her...

Price: $9.95

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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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