4 lbs. water soluble plant fertilizer10-30-20Jacks Classic Bloom Booster plant food is an easy to use fertilzer to give all your indoor and outdoor flowering plants, geraniums, impatiens, begonias, and marigolds,the boost they need to produce big, beautiful blooms! It can also can used as a transplant solution! It feeds through roots and leaves 1, just add one tablespoon per gallon of water or 1/2 a teaspoon per gallon of water for indoor plants. Comes with a clear measuring scoop and just reapply every 7-14 days.