Heaters

Greenhouse Heaters, Garage Heaters, Modine Heaters, Propane, and Natural Gas

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Frost Protection

A wide variety of row covers, hoods, fabric rolls, blankets, and anchors

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Year-Round Plant Protection

Starting at just $376!

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Shop Our Line of Cold Frames and Hoop Houses

A wide variety of sizes, complete package offerings, and a huge selection of accessories.



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Vertex Shade Structure, 20' wide x 30' long
Vertex Shade Structure, 20' wide x 30' long

The Vertex Shade System is a quick way to provide shade for a large area.

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Juliana Compact Plus Greenhouse
Juliana Compact Plus Greenhouse

The Compact Plus Greenhouse is a hobby greenhouse great for those who want plenty of growing room but don't want to compromise on looks.

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5800 Series Garage/Workshop Heater
5800 Series Garage/Workshop Heater

The 5800 Series Garage/Workshop Heater is a rugged, steel-constructed heater that is great for garages, workshops, job sites, etc.

Price: $300.00 175.00

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The Tulip House
The Tulip House

With a functional 48 sq. ft. of space, the Tulip House features a sloped-roof design which prevents snow from collecting and minimizes wind impact.

Price: $999.00

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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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