Betula glandulosa, commonly called resin birch or bog birch, is a hardy deciduous shrub native to the wetlands, bogs, and rocky alpine regions stretching from Alaska through Canada to the northern reaches of New England and down to high-altitude areas of the Rocky Mountains. Growing 30 to 40 feet tall and 15 to 20 feet wide (though sources vary on mature dimensions), this species thrives in zones 2 to 6 and handles the kinds of challenging conditions that defeat most ornamental plants: wet soils, clay, shallow rocky ground, and erosion-prone slopes. With showy flowers blooming between April and June, deer resistance, and the ability to attract birds, this birch brings both ecological and aesthetic value to cool-climate gardens and naturalized landscapes.
Partial Sun
Moderate
3-6
480in H x 240in W
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Low
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Betula glandulosa earns its place in northern gardens through tough, dependable performance in conditions most trees reject. Native across vast stretches of boreal forest, wetland, and alpine terrain, it tolerates heavy clay, boggy soils, and poor, gravelly ground with equal aplomb. The plant establishes naturally in rain gardens and erosion-control plantings, yet demands little fussing once rooted. Its deciduous nature and white or light-colored bark create subtle seasonal interest, while the ability to withstand both deer browsing and waterlogged roots makes it a practical choice for challenging sites where conventional ornamentals struggle.
Betula glandulosa serves best as a naturalized element in cool-climate landscapes, particularly in rain gardens and areas prone to erosion where its deep root systems stabilize soil and its tolerance for wet conditions prevents problems. Its role as a groundcover or specimen shrub reflects its native habit of colonizing transition zones between boreal forest and open alpine meadow. The plant attracts birds, making it valuable for wildlife gardens and natural restoration projects in northern regions.
No timeline data available yet for this variety.
Prune only during the dormant season if shaping is necessary. Never prune in winter or spring when sap is actively running, as this causes excessive bleeding and weakens the plant. The species naturally develops a shrubby habit and requires minimal intervention once established.
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“Betula glandulosa evolved across the extreme northern latitudes and high-altitude zones of North America, from Alaska through every Canadian province to the subarctic regions of New York, New Hampshire, and Maine, with populations also occupying the elevated slopes of the Rocky Mountains and Cascades. This is a plant shaped by survival in places where winters are long, summers are cool, and soil conditions range from saturated bog to exposed, wind-scoured rock. Its native range tells the story of a supremely adapted species, one that has persisted for millennia in the precise conditions that challenge cultivated gardens in northern climates.”