Woody > Betula > Betula ermanii > Betula ermanii 'Polar Bear'
Betula ermanii
'Polar Bear'
Polar Bear or Erman's Birch
| Family |
| Betulaceae |
| Genus |
| Betula |
| Species |
| ermanii |
| Cultivar |
| 'Polar Bear' |
| Category |
| Woody |
| Type |
| Shrub (deciduous) |
| Pronunciation |
| USDA Hardiness Zone |
| 3 |
| Canadian Hardiness Zone |
| 1 |
| RHS Hardiness Zone |
| H7 |
| Temperature (°C) |
| -40 - (-35) |
| Temperature (°F) |
| -40 - (-30) |
| Height |
| 25 m |
Photographs
Description and Growing Information
Flowering Period
| Landscape |
| An excellent specimen tree. |
| Cultivation |
| Very hardy, but prefers a deep, well-draining loam soil. |
| Growth |
| Slow |
| Pests |
| Prone to attack by several bracket fungi, as well as mildew and birch rust. |
| Habitat |
| Horticultural origin. |
| Propagation |
| Propagate by seed, with light present for germination, although seeds may not come true. Can also be propagated through side-veneer grafts in late winter. |
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