Philadelphus White Rock ('Pekphil')
mock orange [White Rock]
A free-flowering upright deciduous shrub about 1.5m tall, with arching branches bearing oval dark green leaves to 4cm long. Large, lightly-scented single or semi-double white flowers to 6cm across, appear in racemes of 3-7, in early summer, the branches often bowed and weighed down with flowers
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Size
Ultimate height
1–1.5 metresTime to ultimate height
5–10 yearsUltimate spread
1.5–2.5 metresGrowing conditions
Moisture
Well–drainedpH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Green | |||
|---|---|---|---|---|
| Summer | White | Green | ||
| Autumn | Green | |||
| Winter |
Position
- Full sun
- Partial shade
Aspect
East–facing or South–facing or West–facing
Exposure
Sheltered Hardiness
H6Botanical details
- Family
- Hydrangeaceae
- Native to GB / Ireland
- No
- Foliage
- Deciduous
- Habit
- Spreading branched
- 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
Trade
How to grow
Cultivation
Grow in any fertile, well-drained soil in sun or partial shade. See philadelphus cultivation for further advice
Propagation
Propagate by softwood cuttings in summer or hardwood cuttings in autumn or winter
Suggested planting locations and garden types
- City and courtyard gardens
- 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
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