Here's the details on our Summer Sale:

Runs Saturday, June 29-Saturday, July 6 (closed Thursday).

Ocean Forest and Happy Frog potting soil are buy two get one free.

Our already low prices on nutrients, lighting, accessories, hydro systems, soils, amendments, containers, growing media, ventilation and more will be marked down 15%.

Seeds, including organics, are 50% off. 

Clearance reflectors, systems, accessories and more are all 50% off.

It's gonna be a great sale. See you this week!

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Our supplier has been out of CO2, but it's finally available again! 20-lb tanks are $15 a fill.

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Get everything you need to get started using carbon dioxide in your grow room. We're offering a CO2 regulator, Atlas 2 controller, gas, and cylinder for $499 (including a $150 deposit on the gas cylinder. Bring it back within 3 months to get the deposit back). At retail price, this package would cost more than $600!

This offer lasts today through Wednesday, December 5. In-store only.

Want to know more about our new CO2 service? Here's how it works:

You put a $150 deposit down on a 20-lb canister. The...

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GreenTree now stocks CO₂ canisters! We’re so excited to have gas that we’ll give you your first fill free! 

How it works:

You put a $150 deposit down on a 20-lb canister. We’ll give you the gas inside free. Then, when you’ve used up your CO₂, bring the empty canister back and swap it for a full one for $15. Or, if you don’t want another tank, you get your deposit back.

Already have a canister? Bring it in and swap it out for a full one. If you join or are already a member of our...

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