Evergreen Clematis

Clematis vitalba

Native to:
Afghanistan, Albania, Algeria, Austria, Belgium, Bulgaria, Corse, Czechia-Slovakia, France, Germany, Greece, Hungary, Iran, Italy, Kriti, Krym, Laos, Lebanon-Syria, Morocco, Netherlands, North Caucasus, NW. Balkan Pen., Portugal, Romania, Sardegna, Sicilia, Spain, Switzerland, Transcaucasus, Türkiye, Türkiye-in-Europe, Ukraine

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Ranunculaceae
Genus:
Clematis
Species:
Clematis vitalba
USDA Symbol:
CLVI6

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Vine
Height:
3000 cm
Light Requirements:
Full Sun
Drought Tolerance:
Medium
Bloom Months:
jun,jul,aug,sep
Bloom Colors:
white, cream

Wildlife Benefits

Bees:
★☆☆☆☆ Documented bee visitation (GBIF)
Caterpillars:
★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)

Keystone Species Ranking

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

Host Plant for Caterpillars

Alcathoe caudata

Garden & Ecology Notes

Wildlife Value:
birds, bees
Deer Resistant:
Yes
Fragrant:
Yes

Soil Requirements

Soil Type:
rich, well-drained loamy soil
pH:
7.0 - 8.0 (neutral to slightly alkaline)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
prefers calcareous soils in native habitats

Propagation & Germination

Stratification:
Cold/moist stratification required — 60–90 days
Germination Time:
30–365 days
Notes:
Germination can be erratic and slow; seeds may take up to a year. Light may improve germination rates.

The above propagation data sourced from Claude AI

ORGHPS Germination Guide: Sow @ 20C 6 wks then 4C 6 wks then slowly raise to 10C 6 wks. Repeat if no germination. Tails on pulsatilla/clematis: leaving on has no effect.

Source: Ontario Rock Garden & Hardy Plant Society