Deutzia gracilis 'Duncan' (Duncan Slender Deutzia)


Botanical Information

FamilyHydrangeaceae
GenusDeutzia
Speciesgracilis
Cultivar'Duncan'
CategoryWoody
TypeShrub (deciduous)

Details

USDA Hardiness Zone5a -8b
USDA Hardiness Ref.
Canadian Hardiness Zone6
Canada Hardiness Ref.
RHS Hardiness ZoneH7
RHS Hardiness Ref.
Temperature (°C)-28 - (-9)
Temperature (°F)-20 - 15
Height45 - 90 cm
Spread60 - 90 cm
GrowthMedium
Flowering PeriodApril, May

Description and Growing Information

ShapeDense, rounded and spreading.
LandscapeHedge and border planting.
PropagationDividing, softwood cuttings, hardwood cuttings and layering.
CultivationFull sun and partial-shade. Moist and well-drained soil with a pH of 6.1 - 7.8 (mildly acidic, neutral and alkaline).
PestsSome susceptibility to leaf spot. Leaf miners and aphids could be a problem.
HabitatHorticultural origin.
Leaf DescriptionSlender, broadly spreading to arching stems. Opposite and ovate to lanceolate leaves.
Flower DescriptionTiny, fragrant, bell-shaped flowers that are 1 - 2 cm long. Appears in spring in loose racemes that are 7 - 8 cm long and cover the shrub for 2 weeks.
Colour DescriptionThe leaves are yellowish-green and sometimes deep green in colour. The flowers are white.
Texture DescriptionThe foliage is smooth in texture.

Photographs