Betula albosinensis (Chinese Paper Birch)


Michael's Opinion

Among the most beautiful of all birches, this little known species is underused in the landscape. It has exquisite bark that few other trees can compete with. The concern is the pests, but with adequate moisture during summer droughts the tree can provide many years of enjoyment.

Botanical Information

FamilyBetulaceae
GenusBetula
Speciesalbosinensis
CategoryWoody
TypeTree (deciduous)
OriginWestern China.
Pronunciation

Details

USDA Hardiness Zone3 - 6
USDA Hardiness Ref.
Canadian Hardiness Zone1a - 5b
Canada Hardiness Ref.
RHS Hardiness ZoneH7
RHS Hardiness Ref.
Temperature (°C)-40 - (-14)
Temperature (°F)-40 - 0
Height20 m
Spread5 m
GrowthFast
Flowering PeriodMay

Description and Growing Information

General DescriptionA common tree, grown for its clear white bark. It is now somewhat problematic in the Ontario landscape due to drought, birch borer and birch minor, still however a good tree.
ID CharacteristicCharacteristic clear white bark, obovate, finely toothed leaves.
ShapeRounded.
LandscapeAs an accent or specimen plant.
CultivationEasy to grow where summer moisture is sufficient. Short lived (50 years).
PestsThere has been some discussion of this species resistence to bronze birch borer. However, I am still reserving judgement on this since more observation in required. Plant expecting to relish with care even into maturity.
Notable SpecimensWeldon Library, University of Western Ontario, London, Ontario. Westonbirt, The National Arboretum, Tetbury, Gloucestershire, England.
HabitatMountain slopes and lowlands of China.
Bark/Stem DescriptionOrange to yellow brown exfoliating bark that is often glaucous underneath.
Leaf DescriptionDark yellow-green in summer changing to yellow in the autumn. Alternate, ovate to ovate-oblong 5-7.5 cm long, doubly serrate, dark green above, light green and glandular below.
Colour DescriptionGood autumn colour in most years, pale yellow.
Texture DescriptionA medium textured tree.

Photographs