The Q&A Archives: White flies

Question: How do I control/get rid of white flies? I use soap/water mix but they seem to keep returning. I know the empty house next door has white flies and the realtor is also trying to clean them up.

Answer: There's no easy way to control whiteflies because they can fly in from the neighborhood. Whiteflies are a common pest, and control methods include yellow sticky traps - basically cardboard painted bright yellow and coated with mineral oil or petroleum jelly, and suspended near the tops of plants. Insecticidal soaps work well against white flies, too. Just be sure to spray both top and undersides of leaves, and spray in the early morning hours when the whiteflies are resting on the leaves. Otherwise they will simply fly away. Insecticidal soaps can cause burning of leaves if applied during hot weather, so use caution. Wish their were a better way to control them!

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