species
Philadelphus coronarius
Mock orange
Scale drawing from this record, beside a 1.7 m figure.
Philadelphus coronarius belongs to the family Hydrangeaceae, also known as Mock orange, introduced to the UK. It reaches 3 m tall and 2.5 m across in about 10 years. It grows in full sun or part shade, on loam, chalk or clay soil, where the ground is acid, neutral or alkaline and in well drained or moist conditions, and suits average positions. It flowers in June. Its RHS hardiness rating is H6 (hardy, very cold winter): −20 to −15°C.
Assembled from the attributes recorded below.
What this plant needs
- Size at maturity
- 3 m tall × 2.5 m across, after about 10 years
- Hardiness
- H6 (RHS)
- Aspect
- Full sun, Part shade
- Soil
- Loam, Chalk, Clay
- Acidity
- Acid, Neutral, Alkaline
- Moisture
- Well drained, Moist
- Exposure
- Average
- In the UK
- Introduced
When it flowers
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
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