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...
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...
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...
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...
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...
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...
