Mega Greenhouse Event

10% Off Any
Greenhouse Kit*
Promo code: HOME

*Greenhouse Kits Collection Only. Promotion valid thru 10/02/23 at 11:59 PM EST or while supplies last.
You'll Reap what you sow

Prepare for Fall

orders over $99 get


*Contiguous US Only

There's something for everyone at Greenhouse Megastore

More Than Just Greenhouses

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, 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! From a packet of seeds to a huge greenhouse, we have what you need.

Growers & Farmers

No matter if you're growing a few herbs on a windowsill or you have acres under production, Greenhouse Megastore has the supplies you need! Bulk discounts are available.

Gardeners and Hobbyists

We source the most popular containers, perfect for both greenhouses and gardens, in quantities to please the hobbyist and the pro! If you don't need a full case, no problem. Plenty of options for whatever level of gardener you are.


A greenhouse is a great learning tool for any agriculture program, from elementary through college. Greenhouse Megastore has helped hundreds of schools, universities, and colleges plan and build their greenhouse and curriculum.

Retail & Display Greenhouses

It's tough to compete these days with the big box stores. Trust us, we know! That's why Greenhouse Megastore has your back! We offer wholesale direct pricing, bulk discounts, easy to setup accounts and credit terms, and the industries best selection of supplies.

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

Our selection of commercial greenhouses and hobby greenhouse kits has long been tops in the industry, but we don't stop there! Greenhouse Megastore has anything and everything a greenhouse professional, home gardener, or even a weekend warrior might need to get the job done.