Greenhouse Megastore is your comprehensive online source for greenhouses and greenhouse supplies, from small hobby greenhouse kits to large commercial greenhouse structures. Shop our complete line of commercial quality gardening supplies, plant containers, plastic coverings...anything and everything for use in the greenhouse, garden, or backyard. And always at the lowest price, guaranteed.

Shop with confidence, knowing that you get decades of combined technical expertise and top-notch customer service. From greenhouses and gardens, to landscaping and patios, there's something for everyone at Greenhouse Megastore!

Featured Products Overwintering Film, 5mil Clear Super strong 5mil, clear overwintering film offers superior performance and durability. View More Details Modine HD60 Unit Heater Provides 48,000 BTUH of heat to keep your 3 to 3-1/2 car garage or greenhouses less than 550 SF nice and cozy. The... View More Details EasyGrow Plus Greenhouse OUR HIGHEST RATED GREENHOUSE KIT! This 8' wide version of our popular EasyGrow series features include heavy-duty... View More Details Planto Plant Protection Covers The Planto is a lightweight, durable and breathable fabric that provides short term protection from cold... View More Details

New Products Deep Plug Flats These Deep Plug Flats are specifically designed and engineered to drive root growth downward. They promote... View More Details Small High Dome Propagator Ideally sized for the windowsill. The base tray features our unique 2 tier drainage cell holes drainage holes while... View More Details Evergreen Fluorescent 4 ft. Grow Light The Evergreen 4 ft, 4 or 8 Lamp Fixture with Lamps. This is a premium fluorescent grow light that is durable enough... View More Details Narrow Seed Tray Lid Only Clear, lightweight but durable vacuum formed cover which fits the Narrow Seed Tray. View More Details