Clematis henryi

Clematis × lawsoniana

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Ranunculaceae
Genus:
Clematis
Species:
Clematis × lawsoniana
USDA Symbol:
CLHE6

Growth Characteristics

Height:
300 cm
Light Requirements:
Full Sun
Drought Tolerance:
Low
Bloom Months:
jun,jul,aug,sep
Bloom Colors:
lavender, purple, blue

Keystone Species Ranking

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

Host Plant for Caterpillars

Fatal Metalmark (Calephelis nemesis)

Garden & Ecology Notes

Wildlife Value:
bees

Soil Requirements

Soil Type:
rich, well-drained loamy soil
pH:
6.0 - 7.5 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
consistently moist
Notes:
Prefers fertile soil with organic matter

Propagation & Germination

Stratification:
Cold/moist stratification required — 60–90 days
Germination Time:
30–180 days
Notes:
Clematis seeds are often slow and erratic; fresh seed germinates better. Some require light for germination.

The above propagation data sourced from Claude AI