What’s wrong with my oak tree leaves?

Over the past few dry, hot months we have received numerous phone calls about discolorations on Oak tree leaves. Upon further inspection by our certified arborists, oak leaf miners are to blame.

What is a leaf miner?

A leaf miner is an insect, about a quarter inch long, that lives in and eats the tissue of plants. They often leave behind a squiggly trail or big, discolored blotches. A certified arborist can determine the exact tree pest with a tree care inspection.

Can leaf miners damage my trees?

Fortunately, most leaf miner damage is purely cosmetic and is seldom a concern of the overall health of your trees. Leaf drop and defoliation is common, but not threatening. All the leaves on your oak trees will come back next spring with new growth.

How can I get rid of leaf miners?

While there are certain pesticides our tree care experts can apply in large infestation cases, the best practice for getting rid of oak leaf miners is simply raking up and destroying the damaged and dead leaves from around the base of your trees. This can prevent the infestation from spreading to other trees in the area.

If you have any questions or concerns about your trees, click the link below to be connected with one of our ISA certified arborists today!

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