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Maple Trees

Q.Maple Black Tar Spot

Zone 44092 | Anonymous added on September 22, 2021 | Answered

I have a Maple tree with Black tar spot for 2 years now I have read about it not hurting the tree but the leaves keep falling off starting in mid july Can I compost those leaves? and will this continue ? what do I do about it to get rid of it?

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GKH_Susan
Certified GKH Gardening Expert
Answered on October 5, 2021

If you want to compost diseased foliage, you have to make sure your compost pile reaches a temperature hot enough and long enough to kill the pathogens. Here is how:
https://www.gardeningknowhow.com/composting/ingredients/compost-diseased-plant-leaves.htm

You can increase the grade around your tree and pick up all the fallen leaves to help get rid of tar spot. Here is more:
https://www.gardeningknowhow.com/ornamental/trees/maple/maple-tar-spot-disease.htm

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