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anthony764

What is happening to my valley oak?

anthony764
2 months ago



I planted this tree (Quercus lobata) a few years ago at my Bay Area home. It's been fine until this year. Before I'd noticed some powdery mildew on some leaves, which affects a number of plants in my yard, but this is something worse. New growth sprouted in the past couple months in abnormal, gnarled clusters and then proceeded to turn brown and die. I'm guessing it's something insect-related. Any ideas on what might be going on here?

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