Trouble Spots: Tar Spot, Eye Spot and Anthracnose

The delicate, pristine leaves that burst from tree buds in May are such a welcome sight that it seems ungracious to mention that, even before they reach full size, many have been invaded by fungal spores that will cause ugly black blobs, lurid spots whose brown centers rot out, or ragged dead blotches by summer’s end. Alas, these are the symptoms of three maple foliage diseases that are so common and so distinctive that you will be able to get acquainted with all of them by August if you wish.

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