Cultivate Your Growing Potential

Our Mission

Our mission is to supply the best quality locally sourced products for indoor and outdoor gardening, and to provide competitive pricing with excellent value. Our goal is to educate and support all growers from novice to expert, so even the beginner achieves professional results.

For more information about Limestone City Hydroponics, visit our About Us page.

Featured Products & Services

THC and CBD Testiing

Potency Testing

Accurate THC, CBD and CBG results. Discounted rates for 5+ tests.

Medical Growers License

Medical Growers Clinic

Access to certified medical growers licensing and renewal.

Consultation Services

Consultation Services

Advice and good practices for indoor and outdoor growing.

Local and Regional Delivery

Local & Regional Delivery

Free local delivery. National delivery coming soon.

How To's and QA

How-To's & Q&A

Chat with us about growing and check out our social media content.

Introducing Limestone City Nutrients

Home-grown in Kingston, Ontario, Canada, Limestone City Nutrients is an end-to-end growing system — from strong roots to massive blossoms.

Limestone City Hydroponics

Locally owned and operated in Kingston, Ontario. We offer local delivery to the Greater Kingston Area along the 401 corridor.

We also own and distribute Limestone City Nutrients.

Visit Us

10 - 105 Sutherland Drive

Kingston, Ontario, Canada

K7K 5V6

Contact us

(613) 548-0420

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Open Hours

M-F: 10am - 6pm

Sat: 10am - 5pm

Sun: Closed