Prickly Hound's Tongue

Cynoglossum wallichii

Native to:
Afghanistan, Bangladesh, China, India, Kirgizstan, Laos, Myanmar, Nepal, Pakistan, Tadzhikistan

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Boraginaceae
Genus:
Cynoglossum
Species:
Cynoglossum wallichii
USDA Symbol:
CYGL8

Growth Characteristics

Life Cycle:
Biennial
Growth Habit:
Forb/herb
Height:
60 cm
Light Requirements:
Full Sun
Drought Tolerance:
Medium
Bloom Months:
may,jun,jul,aug
Bloom Colors:
blue, purple

Garden & Ecology Notes

Wildlife Value:
bees

Soil Requirements

Soil Type:
rich, well-drained loamy soil
pH:
5.5 - 7.0 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
consistently moist
Notes:
prefers cool, mountainous regions

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–60 days
Germination Time:
14–42 days
Notes:
Seeds may have irregular germination; light may improve germination rates.

The above propagation data sourced from Claude AI