Chaenomeles × superba 'Knap Hill Scarlet' (Knap Hill Scarlet Japanese Quince)


Botanical Information

FamilyRosaceae
GenusChaenomeles
Species× superba
Cultivar'Knap Hill Scarlet'
CategoryPerennials
TypeShrub (deciduous)

Details

USDA Hardiness Zone6 - 7
USDA Hardiness Ref.
Canadian Hardiness Zone6b
Canada Hardiness Ref.
RHS Hardiness ZoneH6
RHS Hardiness Ref.
Temperature (°C)(-20) - (-15)
Temperature (°F)4 - 5
Height1 - 1.5 m
Spread1.5 - 2.5 m
GrowthSlow
Flowering PeriodMarch, April, May

Description and Growing Information

General DescriptionResulting from the cross between C. japonica and C. speciosa; the 'Knap Hill Scarlet' cultivar is small deciduous shrub.
ShapeBushy.
LandscapeBorders and landscape plantings.
PropagationPropagate by semi-hardwood cuttings
CultivationGrow in well-drained soil in sun or partial shade. Grow in full sun for the best flowering and fruiting.
PestsSusceptible to scale insects, brown scale, aphids, fireblight, blossom wilt, brown rot and honey fungus.
Notable SpecimensSissinghurst Castle Gardens, Cranbrook, Kent, United Kingdom.
HabitatHorticultural origin.

Photographs