Betula utilis var. utilis (Himilayan Birch)


Botanical Information

FamilyBetulaceae
GenusBetula
Speciesutilis
Varietyutilis
CategoryWoody
TypeTree (deciduous)
OriginHimalayas.

Details

USDA Hardiness Zone6a
USDA Hardiness Ref.
Canadian Hardiness Zone5a
Canada Hardiness Ref.
RHS Hardiness ZoneH7
RHS Hardiness Ref.
Temperature (°C)-23
Temperature (°F)-10
Height5 - 15 m
GrowthFast
Flowering PeriodApril

Description and Growing Information

LandscapeAn excellent specimen tree.
PropagationPropagate by seed, with light present for germination, although seeds may not come true. Can also be propagated through side-veneer grafts in late winter.
CultivationVery hardy, but prefers a deep, well-draining loam soil.
PestsProne to attack by several bracket fungi, as well as mildew and birch rust.
Notable SpecimensWestonbirt, The National Arboretum, Tetbury, Gloucestershire, England.
Bark/Stem DescriptionBark is thin, pink to orange brown, bloomed white, peeling in horizontal papery flakes. Twigs are red-brown in autumn.
Leaf DescriptionLeaves are dark green above, paler beneath, turning golden-yellow in autumn, growing to 5-12 x 3-7 cm, with veins in 10-14 pairs.
Flower DescriptionMale catkins to 12 cm.
Fruit DescriptionCatkins to 2.5-3.5 cm x 10.12 mm.

Photographs