Gray Birch, Wire Birch
Betula populifolia

Description

Betula populifolia, or gray birch, is a resilient, narrow, pyramidal tree native to Ontario and cooler climates in southeastern Canada (Quebec to New Brunswick and Nova Scotia) and south through New England and upstate New York to Pennsylvania and New Jersey. Reaching 20 to 40 feet, it features striking chalky white bark with dark chevron patterns, enhancing any landscape. Thriving in poor, well-drained soils, it tolerates both dry and wet conditions, making it versatile for diverse environments. With moderate resistance to the bronze birch borer, it performs best in full sun and is ideal for residential areas, parks and naturalization areas. It naturally spreads through self-seeding and creates beautiful stands, while its subtle flowers and drooping cone-like fruits add interest. Though it may shed bark and produce fallen nutlets, its unique appeal and adaptability make it a great planting choice.
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Planting Site and Native Range

Planting Site
Naturalization, Parks, Highway, Residential

Management Notes

Management Notes
Can develop chlorosis in high pH soils

Tree Characteristics

Growth Rate
Fast (60cm or more per year)
Width
3 - 6m
Height
6 - 12m
Soil Quantity
0 - 10 m
Leaves
Deciduous

Insects and Diseases

Insects and Diseases
Highly susceptible to the bronze birch borer. Other pests include birch leaf miners, birch skeletonizers and aphids.

Tree Tolerances

Soil Salt Tolerance
Unknown
Salt Spray Tolerance
Tolerant
Flooding Tolerance
Low
Drought Tolerance
Low
pH Tolerance
Tolerant of acid to slightly alkaline soil (pH 5.0 to 7.5)
Shade Tolerance
Full Sun
Plant Hardiness Zone
Zone 3 (a/b) | Zone 4 (a/b) | Zone 5 (a/b) | Zone 6 (a/b)
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