Greenhouse Megastore is not only a leading online retailer for greenhouses and greenhouse supplies for over 30 years, but also garden supplies of all types, plant pots, polycarbonate panels and other plastic sheets, shade cloth, weed barrier, …

Low Tunnel DIY Greenhouse Kit 20 x 3.5 ft. with 3mil Overwintering Film and Galvanized Steel Hoops

Looking for the basic garden supplies you need to get started on your next DIY or commercial project? You've come to the right place! At Greenhouse Megastore, we have wholesale garden, greenhouse and nursery supplies that will help your green thumb find greater success than ever.

Greenhouse Megastore is the one-stop shop for all of your greenhouse and gardening needs. Whether you're brand new to growing gardens in greenhouses or have a very green thumb, we have everything you need to build, install, repair or maintain your greenhouse.

With quick shipping, low prices, & great customer service, Greenhouse Megastore is your top online source for greenhouses and garden supplies. Shop with us today!

Cultivate better crops year-round with our engineered greenhouses for professional growers, educators, serious hobbyists and others who need premium structures.

There are many advantages to having your own greenhouse. You can start your own seeds early and get a head start on Spring. Overwinter plants to protect them for year-round growing. Grow and maintain plants that normally wouldn’t last in your …

Tempered safety glass to minimize breakage or injury. Full light transmission controls the amount of sun in the greenhouse. Our 3mm single tempered glass is offered with a 1/2″ overlap which is easier to ship and install.

Order everything you need for indoor growing at Greenhouse Megastore! We design and build greenhouses for DIYers, commercial growers, nurseries and schools.

Originally known as International Greenhouse Company, Greenhouse Megastore has been building commercial greenhouses around the country and around the world since 1993. During this time period, hundreds of greenhouse projects have been completed in almost every state and several different countries.