Sophora japonica (Japanese Pagodatree, Japanese Pagoda Tree)


Botanical Information

FamilyFabaceae
GenusSophora
Speciesjaponica
CategoryWoody
TypeTree (evergreen), Shrub (evergreen)

Details

USDA Hardiness Zone8b
USDA Hardiness Ref.
Canadian Hardiness ZoneRequires cold season protection under glass.
Canada Hardiness Ref.
RHS Hardiness ZoneH4
RHS Hardiness Ref.
Temperature (°C)- 10
Temperature (°F)14
Height18 m
Spread24 m
GrowthMedium
Flowering PeriodAugust, September

Description and Growing Information

General DescriptionA very urban tolerant tree especially to heat, drought, pollution, compacted soils, and poor soils.
ID CharacteristicA very showy and eye-catching tree when in flower.
LandscapeShade, specimen, or Summer-flowering focal point trees.
CultivationPerforms best in full sun in moist, well-drained soils of average fertility, but is very urban tolerant.
PestsPotato leaf hopper, twig blight, branch and trunk canker.
HabitatUpright rounded growth habit in youth, becoming more spreading with age.
Bark/Stem DescriptionThe trunk has interlacing ridges and is more deeply furrowed, becoming light brown to gray-brown with maturity.
Leaf DescriptionAlternate, medium to dark green, with about 9 to 13 ovate leaflets with acute apices per pinnately compound leaf, having faded green to chartreuse autumn colour.
Flower DescriptionCreamy-white to yellowish-green large inflorescences.
Fruit DescriptionYellow-green fruit, with the large beans appearing as knobs.
Texture DescriptionGreen twigs and greenish-yellow young branches for the first four years of growth, becoming chartreuse-brown, pseudo-striated branches with age

Photographs