The Q&A Archives: Indoor Hibiscus And Aphids

Question: I have a hibiscus tree inside of the house and am having a problem with aphids continally. I have used soaps (natural and chemical) and other chemicals. I do have pets in the house. Can you make a suggestion?

Answer: It sounds as if you are doing the correct thing, but perhaps you need to do it daily until the problem is under control, as aphids reproduce quickly. Most aphid problems are outside, so we suggest starting with a strong blast of water from the hose. Can you do this in your shower? Spray underneath leaves, in between, etc. Do this daily.

If that doesn't work, try a soapy water spray. Use 1 teaspoon to 2 tablespoons of liquid detergent soap per gallon of water. Use regular, not concentrated soap. Don't use soaps with lemon, as the citric acid can burn plants. Start with the lower amount and work up as needed. Spray as often as needed. Next on the list would be an insecticidal soap spray.

Outdoors, beneficial insects such as lady bugs usually show up to eat aphids but obviously indoors this doesn't work. You are correctly treating the problem, I think you just need to do it more frequently. Good luck!

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