species
Hydrangea arborescens
Smooth hydrangea
Scale drawing from this record, beside a 1.7 m figure.
Hydrangea arborescens belongs to the family Hydrangeaceae, also known as Smooth hydrangea, introduced to the UK. It reaches 2 m tall and 2 m across in about 10 years. It grows in part shade or full sun, on loam or clay soil, where the ground is acid, neutral or alkaline and in moist conditions, and suits average positions. It flowers from July to August. Its RHS hardiness rating is H7 (very hardy): Below −20°C.
Assembled from the attributes recorded below.
What this plant needs
- Size at maturity
- 2 m tall × 2 m across, after about 10 years
- Hardiness
- H7 (RHS)
- Aspect
- Part shade, Full sun
- 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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