THE ULTIMATE FERTILIZER FOR INDOOR PLANTS — Wake up slow-growing or dull houseplants with Big Green Leaves, a nitrogen-rich indoor plant food that supports soil microbes, roots, and leaves. | GENTLE, UREA-FREE FORMULA WITH SEA KELP — A 12-4-8 NPK houseplant fertilizer enhanced with organic sea kelp, naturally rich in vitamins, amino acids, antioxidants, auxins, and cytokinins.