Clematis speciosa

Clematis speciosa

Native to:
Japan

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Ranunculaceae
Genus:
Clematis
Species:
Clematis speciosa

Growth Characteristics

Growth Habit:
Forb/herb , Subshrub
Height:
300 cm
Drought Tolerance:
Medium
Bloom Months:
may,jun,jul
Bloom Colors:
blue, purple

Keystone Species Ranking

Caterpillar Keystone:
★★☆☆☆ Butterfly & moth species supported by this genus (NWF)

Garden & Ecology Notes

Wildlife Value:
butterflies, bees

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–60 days
Germination Time:
30–90 days
Notes:
Seeds benefit from cold stratification; germination can be erratic and extended over several weeks.

The above propagation data sourced from Claude AI

ORGHPS Germination Guide: Sow @ 20C. Germinates within 3 months. Tails on pulsatilla/clematis: leaving on has no effect.

Source: Ontario Rock Garden & Hardy Plant Society