Longstem Milkwort
Senega longicaulis
- Native to:
- Argentina, Belize, Bolivia, Brazil, Colombia, Costa Rica, Cuba, Dominican Republic, El Salvador, French Guiana, Guatemala, Guyana, Haiti, Honduras, Mexico, Nicaragua, Panamá, Paraguay, Puerto Rico, Suriname, Trinidad-Tobago, United States
João Medeiros (www.flickr.com)


Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Polygalaceae
- Genus:
- Senega
- Species:
- Senega longicaulis
- USDA Symbol:
- POLO7
Growth Characteristics
- Life Cycle:
- Annual
- Growth Habit:
- Forb/herb
- Height:
- 40 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Low
- Bloom Months:
- may,jun,jul
- Bloom Colors:
- white, pink
Wildlife Benefits
- Bees:
- ★☆☆☆☆ Documented bee visitation (GBIF)
Garden & Ecology Notes
- Wildlife Value:
- bees
- Deer Resistant:
- Yes
- Fire Ecology:
- Fire adapted — tolerates or benefits from fire
- Fire Notes:
- Found in prairie and open woodland habitats that historically experienced periodic fire; resprouts from rootstock.
Soil Requirements
- Soil Type:
- sandy, well-drained, nutrient-poor soil
- pH:
- 5.5 - 7.0 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- prefers open, sunny locations
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 60–90 days
- Germination Time:
- 14–42 days
- Notes:
- Seeds may have variable dormancy; cold stratification improves germination rates.
The above propagation data sourced from Claude AI