Clematis japonica
Clematis japonica
- Native to:
- Japan
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Ranunculaceae
- Genus:
- Clematis
- Species:
- Clematis japonica
Growth Characteristics
- Growth Habit:
- Vine
- Height:
- 300 cm
- Drought Tolerance:
- Medium
- Bloom Months:
- aug,sep,oct
- Bloom Colors:
- white, cream
Keystone Species Ranking
- Caterpillar Keystone:
- ★★☆☆☆ Butterfly & moth species supported by this genus (NWF)
Garden & Ecology Notes
- Wildlife Value:
- bees, butterflies
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 60–90 days
- Germination Time:
- 30–90 days
- Notes:
- Seeds require light for germination. Germination can be erratic and prolonged even with proper stratification.
The above propagation data sourced from Claude AI
ORGHPS Germination Guide: Expose to fluctuating outdoor winter temps incl. freezing for 3 months. Increase light/temp in spring. Tails on pulsatilla/clematis: leaving on has no effect.