Dane's Dwarf Gentian

Comastoma tenellum

Native to:
Austria, Canada, China, Czechia-Slovakia, Finland, France, Germany, Greenland, Iceland, India, Kazakhstan, Kirgizstan, Morocco, Nepal, Norway, Poland, Romania, Russia, Spain, Svalbard, Sweden, Switzerland, Tadzhikistan, Ukraine, United States

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Gentianaceae
Genus:
Comastoma
Species:
Comastoma tenellum
USDA Symbol:
GETE4

Growth Characteristics

Life Cycle:
Annual
Growth Habit:
Forb/herb
Height:
15 cm
Light Requirements:
Full Sun
Drought Tolerance:
Low
Bloom Months:
jun,jul,aug,sep
Bloom Colors:
blue, violet, purple

Soil Requirements

Soil Type:
rocky, well-drained alpine soil
pH:
5.5 - 7.0 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
consistently moist
Notes:
native to alpine meadows and rocky slopes

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–60 days

The above propagation data sourced from Claude AI

Pre-treatment: Cold-moist stratification for 30 days at 1–5°C (34–41°F).

Source: Claude AI