Special order for a customer! If you dont see it in store, we can probably get it for you.

One of the most common deficiencies during the vegatative growth and flowering cycles is calcium, magnesium & iron. These deficiencies can cause nutrient lockouts, disease prone & decaying foliage associated with various of other plant vital health issues. Cal/Mag is the solution to maintain heal...

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New products coming in daily!! We have all the best brands for your cannabis plants. Swing by your local grow shop and let us help you grow the best buds possible!πŸŒΏβ˜€οΈ

Full shelves of any nutrient you could want/need for your plants.🌱 Come on down to Green Leaf Hydroponics and let us help you to the best product for your specific needs!


May 9, 2019 – May 21, 2019

We carry all the best brands of growing mediums! Promix Mycorrhizae, Canna Coco, Coco Bricks, Cocotek, Coco Earth, Sunshine #4, Black Gold #4, Promix Potting Mix, Promix Vegetable and Herb Mix, Promix Premium Organic Seed Starter Mix, Root Farm Potting Soil, F...

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Time to get ready for the outdoor season! Swing on by for our wide selection of soils, soilesses, super soils, coco & all growing mediums! We carry all of the best brands in the business.

Think your plants may be stressed? Heat and other poor conditions can be a culprit for the beginning of other problems such as nutrient deficiencies for seedlings to vegatating and mature flowering plants. By giving your plants these organic/hydroponic nutrients that include B vitamins, seaweed&k...

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LED lights, CMH lights, Reflectors, Single end, Double end, Fixtures, Fans, Controllers. We have all the equipment you need for your grow!


a month ago
Great place, great customer service. Brett was very helpful and is very knowledgeable. Knew exactly what I was looking for and never tried to sell me items I didnt need. I highly recommend them.
- Dawn T
3 months ago
Best store ever man they have great prices. Really honest an great people if I was you I'd go here an only here man thanks again
- mike K
2 months ago
Great sevice, have absolutely everything you could be looking for, and even if they dont have it they can get it for you and price match. My go to hydroponic store.

Brand new hydroponic store!

We carry all the best brands in the business at competitive prices. Come see for yourself!

Contact Us


Call now
  • (905) 240-2022


Get directions
In the back
197 Bloor Street East #3
Oshawa, ON L1H 3M3

Business Hours

Mon:9:00 AM – 6:00 PM
Tue:9:00 AM – 6:00 PM
Wed:9:00 AM – 6:00 PM
Thu:9:00 AM – 6:00 PM
Fri:9:00 AM – 6:00 PM
Sat:10:00 AM – 6:00 PM
Sun:10:00 AM – 5:00 PM
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