White Screwstem
Bartonia verna
- Native to:
- United States
iNaturalist: © jakes26 (iNaturalist #108156335)






Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Gentianaceae
- Genus:
- Bartonia
- Species:
- Bartonia verna
- USDA Symbol:
- BAVE2
Growth Characteristics
- Life Cycle:
- Annual
- Growth Habit:
- Forb/herb
- Height:
- 30 cm
- Drought Tolerance:
- Low
- Bloom Months:
- mar,apr,may
- Bloom Colors:
- yellow, white
Garden & Ecology Notes
- Fire Ecology:
- Fire adapted — tolerates or benefits from fire
- Fire Notes:
- Occurs in fire-maintained pine savannas; benefits from periodic fire to reduce competition.
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 60–90 days
- Germination Time:
- 30–60 days
- Notes:
- Seeds require cold stratification for 2-3 months; sow on moist sphagnum or acidic sandy peat and keep warm after stratification.
Pre-treatment: Cold-moist stratification for 30 days at 1–5°C (34–41°F).
Source: Claude AI