Starting at the top, scrape a tiny patch of bark with a fingernail or knife.
If no green is found on any branch down to the trunk, the tree is dead. Weeping birches are short-lived and susceptible to bronze birch borer; sudden leaflessness often means the vascular system has failed.
Water deeply (1 inch/week). Prune dead wood. Fertilize lightly in fall. But be realistic: a 20-year-old weeping birch in decline rarely fully recovers.
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Diagnosing Bark Peeling and Leaf Loss in Birch Trees
Chestnut Blight: Recognizing a Fatal Disease
Ficus Lost All Leaves: Check for Life, Then Decide
Weed-B-Gone Drift on Weeping Birch: Herbicide Damage First Aid
Purple Birch Transplant Recovery: Addressing Wire Basket and Watering Mistakes
Mature Laburnum with No Leaves: Death Confirmation
Cherry Tree Root Damage from Pool: Prune Dead, Fertilize
Is Your Red Maple Dead? How to Check
Eucalyptus Dieback After Cold: Pruning to Live Growth
Heritage River Birch Slow to Leaf After Late Freeze in Nebraska
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