Buggy Houseplants: Should You Use Horticultural Oil, Insecticidal Soap, or Pyrethrins?

I  brought my citrus trees inside from the backyard last month. Although I blasted them with water from a garden hose beforehand, I know I’ll soon see spider mites, mealy bugs, and aphids on their leaves.  Outside, these harmful bugs are kept in check by beneficial insects. I could buy beneficials online, but that’s an […]