Mexican Cologania
Cologania broussonetii
- Native to:
- Argentina, Bolivia, Colombia, Costa Rica, El Salvador, Guatemala, Honduras, Mexico, Nicaragua, Peru, United States
iNaturalist: © manuelroncal (iNaturalist #110131003)






Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Fabaceae
- Genus:
- Cologania
- Species:
- Cologania broussonetii
- USDA Symbol:
- COPU4
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb , Vine
- Height:
- 60 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Medium
- Bloom Months:
- jun,jul,aug,sep
- Bloom Colors:
- pink, purple
Wildlife Benefits
- Bees:
- ★☆☆☆☆ Documented bee visitation (GBIF)
- Butterflies & Moths:
- ★☆☆☆☆ Documented Lepidoptera association (GBIF)
Garden & Ecology Notes
- Wildlife Value:
- bees, butterflies
- Fire Ecology:
- Fire adapted — tolerates or benefits from fire
- Fire Notes:
- Resprouts from rootstock following fire; found in fire-maintained grassland and oak woodland habitats.
Soil Requirements
- Soil Type:
- fertile, well-drained loamy soil
- pH:
- 5.5 - 7.5 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- consistently moist
- Notes:
- prefers soils rich in organic matter
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–60 days
- Scarification:
- Seed coat scarification required before sowing
- Germination Time:
- 14–42 days
- Notes:
- Scarification of hard seed coat improves germination. May benefit from inoculation with appropriate Rhizobium.
The above propagation data sourced from Claude AI