About
Philadelphus incanus, the hairy mock orange, is an attractive, upright, deciduous shrub native to Hubei and Shaanxi, China, maturing to 2.5 m, with bright, mid-green foliage and clusters of aromatic, white flowers appearing in summer. A rewarding and ornamental mock orange for a sunny, well-drained border.
About the genus
Philadelphus, the mock oranges, are deciduous shrubs with simple, opposite leaves and bowl-shaped, usually strongly fragrant, white or cream flowers borne singly or in small panicles or racemes in summer. Reliable and popular garden shrubs.
Growing conditions
SunlightFull sun, Partial shade
Soil typeChalk, Clay, Loam, Sand
Soil pHAcid, Alkaline, Neutral
Soil moistureMoist but well-drained, Well-drained
AspectEast-facing, North-facing, South-facing, West-facing
ExposureExposed, Sheltered
UK hardinessH6
Plant details
Plant typeShrubs
HabitBushy
FoliageDeciduous
Height1.5-2.5 metres
Spread1.5-2.5 metres
Time to full height5-10 years
Suggested usesCity and courtyard gardens, Cottage and informal garden
Native toChina
FragranceFlower
Care notes
CultivationGrow in moist, well drained soil in sun to partial shade. Plant bare root plants in winter when the ground is not frozen or waterlogged. Incorporate lots of well-rotted manure or garden compost to improve the soil and water in well. Mulch in spring
PruningPruning group 2
PropagationPropagate by softwood or hardwood cuttings
Pest resistanceMay be susceptible to aphids
Disease resistanceMay be susceptible to honey fungus (rarely) and powdery mildews