Rhododendron barbatum


Botanical Information

FamilyEricaceae
GenusRhododendron
Speciesbarbatum
CategoryWoody
TypeTree (evergreen), Shrub (evergreen)
OriginHimalayas, China.

Details

USDA Hardiness Zone7 - 9
USDA Hardiness Ref.
Canada Hardiness Ref.
RHS Hardiness ZoneH5
RHS Hardiness Ref.
Temperature (°C)-15°
Temperature (°F)-5°
Height4 - 8 m
Spread1.5 - 2.5 m
GrowthMedium
Flowering PeriodApril, May

Description and Growing Information

General DescriptionA small, spreading evergreen to deciduous shrub.
ShapeBushy.
LandscapeAs a low maintenance show tree or within an informal garden as an accent tree.
PropagationPropagate by seed or hardwood cuttings (late summer), layering (autumn) or grafting (late summer or winter).
CultivationGrow under full sun to partial shade in moist but well-drained acidic loam or sand.
PestsAphids, caterpillars, rhododendron leafhopper, scale and vine weevils.
Notable SpecimensUniversity of British Columbia Botanical Garden, Vancouver, British Columbia, Canada.
Bark/Stem DescriptionThin robust stems and heavily exfoliating bark revealing a smooth underside.
Flower/Leaf Bud DescriptionSmall, pointed multi-scaled leafbuds.
Leaf DescriptionGlossy leaves that grow up to 20 cm long and have very pronounced indented venation.
Flower DescriptionShort racemes of bell-shaped flowers.
Colour DescriptionDeep reddish-purple flowers. Dark green showy foliage. Dark brownish-red stems. Light green leafbuds and leaf stems.
Texture DescriptionMedium.

Photographs