Betula nigra
treeZones 4–9nativeFast-growing native tree with distinctive peeling cinnamon-colored bark. Tolerates wet soils and heat better than other birches. Multi-stem form adds dramatic effect.
River birch bleeds sap heavily if pruned in spring. Defer any necessary pruning to late summer or fall.
River birch is moisture-loving and will drop leaves if drought-stressed. Water deeply during dry periods.
Yellowing leaves with green veins indicates iron chlorosis from alkaline soil. Apply chelated iron if needed.
Fall is the best time to prune river birch. Remove dead, crossing, or damaged branches.
Important riparian species stabilizing stream banks. Seeds eaten by birds. Provides habitat for native moths and caterpillars that feed insectivorous birds.
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