Philadelphus 'Dame Blanche' (d)
mock orange 'Dame Blanche'
A compact, bushy, deciduous shrub to 2m tall and wide with arching branches and oval, dark green foliage. Fragrant, semi-double to loosely double pure white flowers up to 2cm in diameter are borne from early to mid-summmer
Size
Ultimate height
1.5–2.5 metresTime to ultimate height
5–10 yearsUltimate spread
1.5–2.5 metresGrowing conditions
Moisture
Moist but well–drained, Well–drainedpH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Green | |||
|---|---|---|---|---|
| Summer | White | Green | ||
| Autumn | Green | |||
| Winter |
Position
- Full sun
- Partial shade
Aspect
South–facing or East–facing or North–facing or West–facing
Exposure
Exposed or Sheltered Hardiness
H6Botanical details
- Family
- Hydrangeaceae
- Native to the UK
- No
- Foliage
- Deciduous
- Habit
- Bushy
- Genus
Philadelphus are deciduous shrubs with simple, opposite leaves and bowl-shaped, usually fragrant flowers which may be solitary or in small panicles or racemes in summer
- Name status
Accepted
How to grow
Cultivation
Grow in moist but well-drained to well-drained soil in sun or partial shade; well suited to a woodland setting
Propagation
Suggested planting locations and garden types
- City and courtyard gardens
- Coastal
- Cottage and informal garden
- Flower borders and beds
Pruning
Pests
May be susceptible to aphids
Diseases
May be susceptible to honey fungus (rarely) and powdery mildews
Get involved
The Royal Horticultural Society is the UK’s leading gardening charity. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place.