Early birch blight (likely Marssonina or Septoria leaf spot) spreads rapidly via wind/rain. Toxic fungicides are costly and hazardous to applicator.
University of Florida testing on anthracnose (similar spore spread) shows promise. Atomic Grow:
Crowley's Nursery (crowleynursery.net)—Kathy ships nationwide.
Benign Leaf Galls on Young White Birch
White Oak Progressive Branch Dieback: Internal Decay Suspected
Yoshino Cherry White Patches on Branches: Fungus—Atomic Grow Suggested, But Proper ID Needed First
White Cottony Growth on Gumbo Limbo Branch: Need Photo for ID
Bark Separation on Whitespire Birch: Internal Decay, Not Just Borers
White Birch Leaf Drop with Dark Spots: Fungal Disease Likely
Birch Leafminer on White Birch: Life Cycle and Systemic Control
Velvet Galls on River Birch: Mite Damage, No Treatment Needed
Crabapple Leaf Drop After Heavy Rain: Temperature Shock or Slugs?
Dark Bugs on White Birch: Need Photo for ID
Paper Birch Decline: Testing for Life and Making the Call
Sumac Wetwood (Slime Flux): Bacterial Ooze in Crowded, Wet Garden
River Birch Yellowing and Black Coating: Aphid Honeydew and Sooty Mold
Birch Tree Top Leaf Loss: Aphid Infestation Systemic Treatment
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