Q.Why Are The Leaves On My Japanese Maple Curling And Turning Yellow?
Just noticed the other day that the leaves on my Japanese Maple are turning from red to pinkish colorand curling up at the edges. This seems to start with little dots and spreads. The tree is not that old and have never had this issue.

GKH_Susan
Certified GKH Gardening Expert
Certified GKH Gardening Expert
Answered on June 7, 2024
It looks like insect feeding damage. Look for aphids under the leaves. You can treat it with neem oil. Here is more:
https://www.gardeningknowhow.com/ornamental/trees/japanese-maple/japanese-maple-problems.htm
https://www.gardeningknowhow.com/plant-problems/pests/insects/homemade-aphid-control.htm
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