Paper Birch
(Betula papyrifera)
Date Planted: Approximately 1950
Family: Betulaceae
Hardiness: Hardy in the Gorham, ME area; Zone 2-6(7)
Mature Dimensions: 50-70 feet tall, 25-40 feet wide
Habit: Oval to rounded crown in maturity
Bark: Creamy white, easily peeled to expose an orange inner bark; older trunks develop black spots
Buds: ¼ to ½ inch long, with overlapping scales; ovate, divergent from stem, brownish black
Leaves: Simple, alternate, ovate, 2-4 inches long, coarsely and doubly serrate, 3-7 pairs of lateral veins. Dark green summer color ages to bright yellow in the fall
Flowers: Dioecious; male 2-4" brown catkins, female 1-1 ½" green catkins; both borne in clusters of 2 or 3
Fruit: Small nutlet, borne on 1 -1 ½" catkin
Pests/Diseases: Some susceptibility to borer, especially stressed trees
Reference Pages: Dirr M. 1998. Manual of Woody Landscape Plants. Stipes Publishing Co., Champaign, IL.
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