species
Hydrangea petiolaris
Climbing hydrangea
Scale drawing from this record, beside a 1.7 m figure.
Hydrangea petiolaris belongs to the family Hydrangeaceae, also known as Climbing hydrangea, introduced to the UK. It reaches 12 m tall and 60 cm across in about 10 years. It grows in part shade or shade, on loam or clay soil, where the ground is acid, neutral or alkaline and in moist conditions, and suits average positions. It flowers from June to July. 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
- 12 m tall × 60 cm across, after about 10 years
- Hardiness
- H6 (RHS)
- Aspect
- Part shade, Shade
- Soil
- Loam, Clay
- Acidity
- Acid, Neutral, Alkaline
- Moisture
- 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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