Buddleja colvilei (Tree Buddleja)


Botanical Information

FamilyScrophulariaceae
GenusBuddleja
Speciescolvilei
SynonymsBuddleia
CategoryWoody
TypeShrub (deciduous)
OriginHimalayas.

Details

USDA Hardiness Zone7b - 9a
USDA Hardiness Ref.
Canadian Hardiness Zone6a - 8a
Canada Hardiness Ref.
RHS Hardiness ZoneH5 - H7
RHS Hardiness Ref.
Temperature (°C)-23 - (-9)
Temperature (°F)-10 - 25
Height5 - 10 m
GrowthMedium
Flowering PeriodJuly, August

Description and Growing Information

General DescriptionThis species is either a larger shrub or small tree that is evergreen in Canadian Hardiness Zone 8a but deciduous in Canadian Hardiness Zone 6a.
PropagationPropagate through semi-hardwood cuttings.
CultivationGrow in full sun in a moist, well-drained soil.
Notable SpecimensWestonbirt, The National Arboretum, Tetbury, Gloucestershire, England.
Bark/Stem DescriptionAll parts of the plant are red-woolly at first.
Leaf DescriptionLeaves have finely serrate margins, and grow up to 20 cm in length and 7 cm in width.
Flower DescriptionFlowers are large and showy, appearing on terminal panicles on the previous year's growth, rose, purple or crimson-maroon in colour, growing up to 2.5 cm in diameter.

Photographs