Why buy from us?
Heater Wizard  
Seed Starting
Hydroponics
Seeds

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!

Overwintering Film, 5mil Clear
Super strong 5mil, clear overwintering film offers superior performance and durability.
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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...
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EasyGrow Plus Greenhouse
OUR HIGHEST RATED GREENHOUSE KIT! This 8' wide version of our popular EasyGrow series features include heavy-duty...
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Planto Plant Protection Covers
The Planto is a lightweight, durable and breathable fabric that provides short term protection from cold...
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Deep Plug Flats
These Deep Plug Flats are specifically designed and engineered to drive root growth downward. They promote...
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Small High Dome Propagator
Ideally sized for the windowsill. The base tray features our unique 2 tier drainage cell holes drainage holes while...
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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...
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Narrow Seed Tray Lid Only
Clear, lightweight but durable vacuum formed cover which fits the Narrow Seed Tray.
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Featured Categories
Hobby Greenhouses
Hobby Greenhouses

Hobby Greenhouses and Hobby Greenhouse Kits

Free Shipping, Expert Tech Support and Customer Service, Low Price Guarantee

Whether you're a veteran or beginner, Greenhouse Megastore has the right hobby greenhouse kit for you. Hobby Greenhouses are smaller, more affordable, and easier to put together than commercial or retail greenhouses. They're a great way for hobbyists to enjoy a greenhouse in their backyard. Our hobby greenhouse kits come standard with free shipping and expert technical advice, so so browse our selection of Hobby Greenhouses and get the one that's right for you.

Plastic Greenhouse Film
Plastic Greenhouse Film
Guaranteed lowest delivered price on Poly Film!

Plastic Greenhouse Film

6mil Plastic Film, Thermal AC Film, Plastic Sheeting

Greenhouse plastic film is a durable and inexpensive way to cover your greenhouse. It's also versatile and can be used for a variety of household projects. We have a variety of thicknesses and styles to choose from; find what's right for you.

Seed Starting
Seed Starting

Seed Starting

Heat Mats, Seed Starting Supplies, Garden Seeders, Propagation

Successful seed starting depends on timing and having the right supplies. Greenhouse Megastore sources only the best seed starting supplies to ensure higher germination rates and less wasted time and money for you. Browse our extensive selection of seed starting and propagation supplies, from our ever popular heat mats to our flats and inserts. Let us help you get started on the right foot this year!

Best Sellers

Stock Polypropylene Ground Cover, 12' Wide
Stock Polypropylene Ground Cover, 12' Wide
Snap Clamps
Snap Clamps
PVC Fitting - 3 Way Connector
PVC Fitting - 3 Way Connector
PVC Fitting - 4 Way Connector
PVC Fitting - 4 Way Connector
90% Black Shade Cloth - 6ft. wide bulk roll (sold per foot)
90% Black Shade Cloth - 6ft. wide bulk roll (sold per foot)
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