On Sale

170 products

Unlock the best deals on grow supplies, hydroponic systems, nutrients, and gardening essentials. Our On Sale collection features top-rated products at unbeatable prices—perfect for indoor growers, hydroponic enthusiasts, and soil cultivators.

Whether you’re upgrading your setup or stocking up on essentials, find the best discounts on premium grow gear right here.

Shop now and elevate your grow for less!

13% Off Sold Out

Jack's Classic - Houseplant Special 15-30-15 - Professional Indoor Plant Fertilizer

$12.95

~~$14.95~~

Keep your indoor plants vigorous and green with Jack's Classic - Houseplant Special 15-30-15, the traditional indoor houseplant fertilizer trusted by professional growers for over 50 years. Designe...

13% Off Sold Out

Jack's Classic - Orchid Special 30-10-10 - High Nitrogen Fertilizer for Orchids

$12.95

~~$14.95~~

Enhance the growth of your orchids with Jack's Classic - Orchid Special 30-10-10, a high nitrogen fertilizer designed to feed through both roots and leaves. Perfect for orchids potted in porous fib...

24% Off Sold Out

Jack's Nutrients - Bloom 10-30-20 - Enhance Flowering and Bud Growth

from $33.95

~~$44.95~~

Boost your plants' flowering power with Jack's Nutrients - Bloom 10-30-20, featuring a trusted 1:3:2 major nutrient ratio. For over 70 years, Jack's Professional growers have relied on this soluble...

14% Off Sold Out

Jack's Nutrients - Cal Nit Part B - Soluble Calcium and Nitrate Nitrogen

from $29.95

~~$34.95~~

Complete your nutrient regimen with Jack's Nutrients - Cal Nit Part B, an essential component of a two-part nutrient system. This formula provides a highly soluble and readily available source of c...

14% Off Sold Out

Jack's Nutrients - Epsom Salts Magnesium Sulfate (1kg) - Essential for 3-2-1 Program

$29.95

~~$34.95~~

Enhance your nutrient regimen with Jack's Nutrients - Epsom Salts Magnesium Sulfate (1kg), a vital component of the Jack's 3-2-1 program. This high-quality magnesium sulfate provides essential micr...

14% Off Sold Out

Jack's Nutrients - Finish 7-15-30 - Optimal Formula for Final Growth Stage

from $29.95

~~$34.95~~

Ensure your plants finish strong with Jack's Nutrients - Finish 7-15-30, specifically formulated for the final growth stage. This unique formula provides very low nitrogen, high phosphorus, and ver...