species
Clematis montana
Mountain clematis
Scale drawing from this record, beside a 1.7 m figure.
Clematis montana belongs to the family Ranunculaceae, also known as Mountain clematis, introduced to the UK. It reaches 9 m tall and 50 cm across in about 10 years. It grows in full sun or part shade, on loam, chalk or clay soil, where the ground is neutral or alkaline and in moist or well drained conditions, and suits average positions. It flowers in May. 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
- 9 m tall × 50 cm across, after about 10 years
- Hardiness
- H6 (RHS)
- Aspect
- Full sun, Part shade
- Soil
- Loam, Chalk, Clay
- Acidity
- Neutral, Alkaline
- Moisture
- Moist, Well drained
- 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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