Betula pendula
European White Birch
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Should be sited with care in our gardens because of the typical Ontario summer drought. Prolonged stress exposes the plant to the greater risk of birch borer infestations.
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Family |
Betulaceae |
Genus |
Betula |
Species |
pendula |
Category |
Woody |
Type |
Tree (deciduous) |
Pronunciation |
USDA Hardiness Zone |
2 - 6 |
Canadian Hardiness Zone |
0a - 5b |
RHS Hardiness Zone |
H7 |
Temperature (°C) |
-46 - (-21) |
Temperature (°F) |
-50 - (-5) |
Height |
25 m |
Spread |
15 m |
General Description |
Graceful pendulous branching tree. This tree has been placed on the IUCN Red List as least concern. |
Landscape |
Once a popular tree in the landscape the dreaded birch borer has destroyed its reputation. The better choice is now Betula nigra |
Cultivation |
Transplants easily but should be moved in the spring. Needs a lot of moisture but site should be well drained. |
Shape |
Drooping with a somewhat rounded crown. |
Growth |
Medium |
ID Characteristic |
Pure white bark and delicate diamond-shaped leaves that droop. |
Pests |
Suffers from extensive Bronze Birch Borer and Leaf Miner and unless adequate moisture is supplied will experience stress. |
Bark/Stem Description |
White, does not exfoliate as much as B.papyrifera. B. pendula at maturity can become blackened with a small amount of white. |
Flower/Leaf Bud Description |
Imbricate, curved, pointed, brownish black. |
Leaf Description |
Alternate, simple, broadly ovate, 2.5-5.5 cm long to 2.5 cm wide, dark green, leafs out early in spring. |
Flower Description |
Staminate 3.5-8.5 cm long usually in pairs. |
Fruit Description |
Small nutlet in cylindrical catkins, shed in autumn. |
Colour Description |
Glossy green in summer changing to yellow in autumn. |
Texture Description |
Medium to fine in leaf. |
Notable Specimens |
Westonbirt, The National Arboretum, Tetbury, Gloucestershire, England. |
Propagation |
Seed will germinate with proper light treatment or 2-3 months of stratification at 5°C. |