16' wide cold frame package with covering starts at $1647 with FREE shipping!Read More
All the seed starting supplies you need, from grow lights, heat mats & plug flatsRead More
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.
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 Solagrow Woven Film is an ideal cold frame or hoop house wall covering. Made from tear-resistant, woven polyethylene cloth, the Woven Film i...
View details »
100% light blocking, with no pinholes or perforations! 8 mil Black/White string reinforced polyethylene film manufactured with a mix of virgin poly...
View details »
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: $96.95View 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!