Winter is upon us. Replace cracked or worn greenhouse and cold frame coverings.Read More
Huge Selection of Plastic Sheeting, Polyethylene Film, and Polycarbonate Panels
Replace cracked and worn plastic film & polycarbonate with a variety of sizes, colors, and thicknesses.
From growing vegetables to greenhouse care, we have created and compiled a huge selection of gardening and growing articles for your reading pleasure.
What's Hot This Month
The Heatstar Blue Flame Heater is great for garages, workshops, greenhouses, enclosed porches and many other places where supplemental heating may ...
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Our 0.5 oz. fabric keeps temperatures up to 4° higher than outside conditions and creates an excellent microenvironment for seed germination an...
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The MegaGrow Propagator Premium Pack features 4 each of the following items: Heavy Duty 1020 seed tray (no holes), 48 cell insert, and 2" tall humi...
Price: $99.00View details »
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!