Cynoglossum asperrimum

Cynoglossum asperrimum

Native to:
Japan | Korea | Kuril Is.

📍 View on iNaturalist →

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Boraginaceae
Genus:
Cynoglossum
Species:
Cynoglossum asperrimum

Growth Characteristics

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

Garden & Ecology Notes

Wildlife Value:
bees, butterflies
Deer Resistant:
Yes

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–60 days
Germination Time:
14–28 days
Notes:
Seeds require light for germination. Surface sow or lightly cover with fine soil.

The above propagation data sourced from Claude AI