Grow Masters

Grow Masters Largest grow store in Illinois. We have everything you need from seed to harvest, including some of the best breeder's cuts and genetics around.

We are a dedicated team of enthusiasts looking to share our knowledge and expertise with you. We specialize in all aspects of horticulture. Come visit our huge retail store & showroom located in GURNEE, IL.

Happy weekend everybody!
08/28/2026

Happy weekend everybody!

Keep an eye out for more updates!
08/18/2026

Keep an eye out for more updates!

Seedlings and an updated clone list!
08/11/2026

Seedlings and an updated clone list!

Don't forget, we do tea, Tuesdays, as well as Saturdays bring a gallon and come get some tea!
08/04/2026

Don't forget, we do tea, Tuesdays, as well as Saturdays bring a gallon and come get some tea!

Finally got a restock of our mushroom substrate all in one grow boxes! Come grab one today
08/03/2026

Finally got a restock of our mushroom substrate all in one grow boxes! Come grab one today

Updated clone list, tons of great choices and more on the way! Don't forget TEA Tuesday this week as well come in and g...
07/27/2026

Updated clone list, tons of great choices and more on the way! Don't forget TEA Tuesday this week as well come in and grab some of our supercharged tea, your plants will thank you!

It's TEA TIME come on into Growmasters for our supercharged compost tea. Some of our clones are ready to go as well! Bl...
07/21/2026

It's TEA TIME come on into Growmasters for our supercharged compost tea. Some of our clones are ready to go as well! BlueberryPancakes, M.O.B and Double OG Chem.

Compost Tea AND Humboldt seedlings? Come get both today at Growmasters
07/14/2026

Compost Tea AND Humboldt seedlings? Come get both today at Growmasters

Come get your Compost Tea tomorrow at Growmasters.
07/13/2026

Come get your Compost Tea tomorrow at Growmasters.

As we get later in the summer plants will shortly start to transition to flower. As our local Growmaster has stated (the...
07/07/2026

As we get later in the summer plants will shortly start to transition to flower. As our local Growmaster has stated (the BuildABloom is your engine and the BuildAFlower top dress is your nitrus") are you ready for your plants to take first place? Come grab a bag at Growmasters today

Address

Gurnee, IL

Opening Hours

Monday 10:30am - 6:30pm
Tuesday 10:30am - 6:30pm
Wednesday 10:30am - 6:30pm
Thursday 10:30am - 6:30pm
Friday 10:30am - 6:30pm
Saturday 10:30am - 6:30pm

Telephone

(224) 399-9877

Website

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