Cynoglossum asperrimum

Cynoglossum asperrimum

Native to:
Japan | Korea | Kuril Is.

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Taxonomy

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

Growth Characteristics

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

Garden & Ecology Notes

Wildlife Value:
bees, butterflies
Deer Resistant:
Yes

Source: deepseek-v4-flash

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–60 days
Germination Time:
14–30 days
Notes:
Seeds benefit from cold stratification for 30-60 days to break dormancy.

Source: deepseek-v4-flash