Eleanor's VF-11 Plant Food - Combo Pack An all purpose liquid concentrate plant food that can be used on all indoor and outdoor plants CANNOT burn plants with formula Can be used on all flora...from fruits to vegetables to houseplants Trace minerals and macro minerals work to facilitate absorption of N, P, K, while minimizing ion antogonism. Great for use with hydroponics and transplants. Is the most effective foliar feed on the market Non-toxic, safe to use around children and pets