Jack's Classic All Purpose 20-20-20 Fertilizer Jack's Classic All Purpose 20-20-20 is a balanced formula applicable to a variety of growing material. Its 1:1:1 nutrient ratio makes it good for...
Jacks Classic 15-30-15 Houseplant Special Fertilizer Houseplant Special 15-30-15 is our traditional indoor houseplant fertilizer designed for use on all foliage and flowering plants. Jacks Houseplant Special fertilizer works on...
Jack's Classic Orchid Special 30-10-10 8 oz Orchid Special 30-10-10 feeds through both roots and leaves. Orchids need this high nitrogen and special micronutrient formula when potted in porous fibers,...
Jack's Classic Bloom Booster 10-30-20 Fertilizer Blossom Booster 10-30-20 is a Professional formula designed to produce more flowers and brighter colors on all indoor and outdoor plants. Feeds through both...
