The Q&A Archives: insecticided on bog willow

Question: I have a navajo globe willow about 25 feet high.
There are bug bite in the leaves. how can I safely apply insecticide/ how high

Answer: It will be difficult to spray your tree without having the insecticide drift over your yard. You can hire an arborist to spray the tree. They have the machinery and ladders or lifts to get them up high enough to spray downward rather than upward, which can help keep the overspray and drift to a minimum. Or you can simply allow the insects to feast on the leaves. I've found that there's a natural balance in nature and if you simply leave the insects alone, predacious insects will show up and control the population of bad guys. For instance, if aphids are feeding on the leaves, lady bugs will show up, as will tiny little wasps. In a year the aphid population will be reduced. Likewise with beetles. Predacious insects will show up to control the population if you don't interfere. Considering your tree is 25' tall, you may simply want to let nature take its course. You can help by raking up the fallen leaves and disposing of them.

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