Splitting bark at base indicates internal decay or physical injury. This likely causes the sparse foliage. Send a clear photo of the split for assessment. On-site arborist visit recommended.
Japanese Maple Spring Leaf Damage: Herbicide Injury vs. Winter Kill
Multiple Tree Decline: Red Maple, Rhododendron, Magnolia, Japanese Maples
Sunflower Leaf Damage: Cosmetic Insect Feeding vs. Real Problems
White/Gray Leaves on Japanese Red Maple: Need Photo
Maple Tree Multiple Spot Syndrome: Insect, Fungus, and Algae Complex
Maple Cottony Scale Infestation: Large Tree Management Strategy
Maple Leaf Scorch from Excess Rain: No Spray Needed This Late
Maple Tar Spot and Crown Thinning: Management and Tree Vigor
Silver Maple Base Sprouts Only: Root Stress and Canopy Loss
Black Spot Fungus on Mature Maple: Why Fall Cleanup Beats Spring Spraying
Late-Season Leaf Spots on Mature Maple: Cosmetic, Not Critical
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