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Minor Leaf Spots on Young Japanese Maple

Cosmetic Fungal Spots, No Treatment Needed

Brown spots on 3-year-old Japanese maple leaves = fungal leaf spots. Only harmful if >50% leaf area affected. Tree health unaffected. No spray needed.

Trees: White Spots on Red Maple: Superficial Fungus/Algae, Not Harmful; Phyllosticta Leaf Spot on Japanese Maple: Cosmetic Late-Season Fungus; Valuing a Damaged Dwarf Japanese Maple: Need Certified Arborist Appraisal; Japanese Red Lace Maple Not Leafing Out After Harsh Winter; Transplanting a 10–15 Year Old Japanese Red Maple Without a Tree Spade; Transplanting Japanese Maple in Summer: Emergency Protocol; Japanese Red Maple and Japanese Beetles: Manageable Risk; Diagnosing Leaf Scorch on a Japanese Maple: Watering, Sun, and Hot Tub Chemicals; Japanese Maple Leaf Scorch: Recovery and Prevention; Japanese Maple 'Bloodgood': The Classic Burgundy-Red Cultivar

Garden Articles

Japanese Maple Sunscald/Herbicide Damage: Environmental Stress Diagnosis

Wax Scale on Japanese Maple: Identifying the White Domes and Timing Your Treatment

Weed Whacker Damage to Japanese Maple: Grafting Wax and Borer Protection

Japanese Red Maple Propagation: Grafting vs. Cuttings

Reviving a Transplanted Japanese Red Maple in Shock

Japanese Maple Freeze Damage: Spring and Fall Fertilizing

Yellow Fungus on Japanese Maple Branches: Likely Wood Rot, Not Surface Fungus

Plants

'Inaba Shidare' Japanese Maple: Identification and Container Growing Guide

Red Maple Leaf Tip Burn: Nutrient Deficiency or Herbicide?

Japanese Maple Bark Peeling: Often Normal Exfoliation

Maple Bladder Galls: Cosmetic Mite Damage

Red Japanese Maple Tree Care and Maintenance

Common Problems with Japanese Red Maple Trees

Japanese Maple 'Ever Red': Weeping Dwarf with Persistent Deep Red Foliage