What Plant Food Works the Best for Houseplants?

Feed houseplants a plant food that contains nitrogen, phosphoric acid and potassium in equal ratios of 20-20-20. Houseplants need to be fed according to the instructions on the commercial fertilizer being used, or approximately once every two weeks during spring and summer.

Keywords: feeding houseplants, plant food, plant fertilizer

About this Author

Kay Abbot was first published in 2004 with articles written for Triond. She is a second-year psychology student with the University of Phoenix.