The Q&A Archives: Lemon/lime Trees With Spidermites

Question: I have 2 trees, 1 lemon and 1 lime. Both trees are drarf ornamental trees and stay indoors during the winter and out doors in the summer. I've had these trees for about 6 years. I noticed that both trees have spidermites that are sucking the life out of my trees. What would be the best way to control these pests?

Answer: Spider mites seem to thrive when conditions are dry and dusty and are a real problem in outdoor plants during the latter part of the summer. Indoors, the conditions might be just dry enough to promote a population surge. When you bring your trees indoors after their summer outing, be sure to give them a shower with tepid water to rinse away hitchhiking spider mites and their eggs.

To control the infestation, give your trees a shower in the bathtub, carefully rinsing all plant parts, especially the undersides of the leaves. Wait a few weeks and shower them again. Eventually you'll rinse the insects and their eggs down the drain. Then, throughout the winter months, periodically treat your trees to a shower to remove dust and discourage spider mite insects.

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