43+ Maple Leaves Turning Brown. Learn what causes leaf scorch and how to control it in this informative article. Heavily infected leaves may drop prematurely, sometimes to the point where the tree becomes defoliated.
The Cause Of Brown Leaves On Japanese Maple Trees from www.thespruce.com
Japanese maples are pretty tough the good news is aphids or scales likely won't kill a japanese maple, but they will put up quite the fight, turning leaves brown and causing them to fall. Maple trees are brown for the trunk, and goldish, marigold for the leaves. This disease can be managed by removing all debris and dead leaves.
It cold just be the variety that you have.
Maple tree leaves have suddenly turned brown and fallen off. About 5% of these are decorative flowers & wreaths, 3% are metal crafts. Leaves that are spotty and are turning brown along the veins of the leaves may signal that the tree has anthracnose. This disease can be managed by removing all debris and dead leaves.