Is there a treatment for black spots on maple tree leaves? Maple tar spot rarely does any damage to the tree’s health. The dots bring down the look of your tree – and can even cause early leaf drop.īut that’s about the extent of the issue. Maple tar spot is mostly a cosmetic issue. Do those black spots on maple leaves hurt the tree? You may even see spots on the maple seeds – unless you were smart enough to plant a seedless maple without helicopter seeds. It will literally look like clumps of tar are stuck to the leaves. So, you probably didn’t notice them.Īround August, those tiny spots become significantly wider and thicker. The spots usually start developing in early-to-mid-June. They’re all called tar spot, and they most often affect:Īs with most tree fungi, maple tar is more likely to happen if your area has been getting lots of rain! When will I see maple tar spots?
There are a couple types of fungi that cause those big brown or black spots on maple trees. Maple Tar Spot: A Tree Fungus You Can Regulate What exactly is maple tar spot?
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Learn more about maple tar spot and how to help your tree rebound below. Take a deep breath! While those spots look worrisome, it’s just tar spot–a fungal disease that isn’t a big issue to your tree’s health. Ah, the iconic maple leaf! It’s one of the most recognizable tree leaves out there, and it usually looks fresh! The leaves shimmer green in spring before putting on a show and turning yellow, orange, and red in fall.īut what if your maple leaves develop unsightly brown or black spots in summer? Is your tree in trouble–or even a goner?
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