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
iNaturalist: © j-stauffer (iNaturalist #52708972)






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:
- jul,aug,sep
- Bloom Colors:
- blue, 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
- Germination Time:
- 14–30 days
- Notes:
- Seeds require cold stratification for 4-8 weeks; surface sow on moist medium and keep at 15-20°C after stratification.
Pre-treatment: Cold-moist stratification for 30 days at 1–5°C (34–41°F).
Source: Claude AI