Yellow Screwstem
Bartonia virginica
- Native to:
- Canada, United States
Nathaniel Lord Britton (en.wikipedia.org) (1859-1934), and A. Brown





Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Gentianaceae
- Genus:
- Bartonia
- Species:
- Bartonia virginica
- USDA Symbol:
- BAVI3
Growth Characteristics
- Life Cycle:
- Annual
- Growth Habit:
- Forb/herb
- Height:
- 40 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Low
- Bloom Months:
- aug,sep,oct
- Bloom Colors:
- white, pale yellow
Garden & Ecology Notes
- Deer Resistant:
- Yes
Soil Requirements
- Soil Type:
- wet, acidic, nutrient-poor soil
- pH:
- 4.5 - 6.0 (acidic to slightly acidic)
- Drainage:
- tolerates poor drainage
- Moisture:
- consistently moist
- Notes:
- commonly found in bogs and wet meadows
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 60–90 days
- Germination Time:
- 14–30 days
- Notes:
- Seeds require light for germination. Surface sow on moist acidic substrate and maintain consistent moisture.
The above propagation data sourced from Claude AI