Marianne's Response
Brown oak tree leaves
One of our large oak trees has some brown leaves on it already and I’m not sure if it has a disease which I should be treating for. There is another oak tree nearby it which does not have any of these brown leaves. What should I do?
Posted by Sandra Irace on July 2, 2020
Marianne's Response
At this time of the year it is hard for me to say what is causing the brown leaves but let us hope it is root injury from a mole or other rodent. You can cut out the dead sections any time of year but sterilize your pruning tools with a 70% alcohol solution to avoid spreading a disease. You did not mention where you live but as there is a Oak Leaf Fungus disease in some parts of the nation I hope you will contact your local land grand university or professional nursery person to see if there is an outbreak of this fungus in your area. Keep growing, Marianne Binetti
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