Milfoil Wattle
Mariosousa millefolia
- Native to:
- Mexico, United States
iNaturalist: © jonaleef (iNaturalist #143153943)






Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Fabaceae
- Genus:
- Mariosousa
- Species:
- Mariosousa millefolia
- USDA Symbol:
- MAMI9
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Shrub , Tree
- Height:
- 600 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- High
- Bloom Months:
- mar,apr,may,jun
- Bloom Colors:
- cream, yellow
Wildlife Benefits
- Butterflies & Moths:
- ★☆☆☆☆ Documented Lepidoptera association (GBIF)
Garden & Ecology Notes
- Wildlife Value:
- birds, butterflies
- Fire Ecology:
- Fire adapted — tolerates or benefits from fire
- Fire Notes:
- Resprouts from root crown after fire; seeds may be stimulated by heat.
Soil Requirements
- Soil Type:
- sandy, well-drained, nutrient-poor soil
- pH:
- 6.0 - 8.0 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- native to arid regions, drought-tolerant
Propagation & Germination
- Scarification:
- Seed coat scarification required before sowing
- Notes:
- Seeds require scarification (e.g., hot water or mechanical abrasion) to break physical dormancy.