Betula lutea (Yellow Birch)


Botanical Information

FamilyBetulaceae
GenusBetula
Specieslutea
CategoryWoody
TypeTree (deciduous)
OriginNorthern United States.
Pronunciation

Details

USDA Hardiness Zone4
USDA Hardiness Ref.
Canadian Hardiness Zone2 - 5a
Canada Hardiness Ref.
RHS Hardiness ZoneH7
RHS Hardiness Ref.
Temperature (°C)-35 - (-29)
Temperature (°F)-30 - (-20)
Height20-35 m
Spread2-5 m
GrowthMedium
Flowering PeriodApril

Description and Growing Information

General DescriptionIt is a medium sized tree with bronze/yellow bark. The leaves are a dull green with a yellow underside. It develops a catkin which contains numerous white winged seeds.
ID CharacteristicIt has a bronze/yellow bark that turns reddish. The underside of the leaves have a tinge of yellow to them.
ShapeDevelops a broad, round crown.
LandscapeRarely seen in cultivation, and rare in the wild where odd trees may be seen growing in mixed hardwood forests.
PestsLeaf miner
Notable SpecimensMedway Valley, London, Ontario, Canada.
HabitatSeen where there is a cool moist soil and where there are scattered trees.
Bark/Stem DescriptionIt has a bronze/yellow bark. It's bark then later turns a red/brown and becomes very rigid. Not as appealing as the paper birch.
Flower/Leaf Bud DescriptionThey are imbricate and usually are appressed and slightly hairy. These are 1-2 cm in size.
Leaf DescriptionThey are a simple leaves alternately arranged and are doubly serrate. They are ovate to linear ovate, to about 7.5-12.5 cm in length with a rounded base.
Flower DescriptionIt develops a catkin that is full of tiny white winged seeds. These catkins are 2-4 cm long by 1.5 cm thick. They are usually brown in colour.
Fruit DescriptionCatkins grow 2-4 cm long, they are thick and erect, short stalked or subsessile, usually brown in colour.
Colour DescriptionThe tree has dull green leaves with a yellow underside. The leaves turn yellow in the autumn. The bark is a yellow/bronze and turns to a brown/red that is slightly rigid at maturity.
Texture DescriptionIt has a medium texture.

Photographs