Rio Grande Stickpea
Calliandra eriophylla
- Native to:
- Mexico, United States
iNaturalist: © paulasman (iNaturalist #98659543)






Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Fabaceae
- Genus:
- Calliandra
- Species:
- Calliandra eriophylla
- USDA Symbol:
- CACO
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Shrub , Subshrub
- Height:
- 90 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- High
- Bloom Months:
- feb,mar,apr,may
- Bloom Colors:
- pink, white
- Landscaping Shrub:
- Yes
Wildlife Benefits
- Bees:
- ★☆☆☆☆ Documented bee visitation (GBIF)
- Butterflies & Moths:
- ★☆☆☆☆ Documented Lepidoptera association (GBIF)
Reported Fauna Sightings
Hummingbirds: Costa's Hummingbird (Calypte costae)
Garden & Ecology Notes
- Wildlife Value:
- bees, butterflies, hummingbirds, birds
- Deer Resistant:
- Yes
- Fire Ecology:
- Fire adapted — tolerates or benefits from fire
- Fire Notes:
- Resprouts from root crown following fire; typical of Sonoran and Chihuahuan desert shrub communities with periodic fire.
Propagation & Germination
- Stratification:
- None required
- Scarification:
- Seed coat scarification required before sowing
- Germination Time:
- 10–30 days
- Notes:
- Scarification of hard seed coat required; hot water treatment or mechanical scarification improves germination rates significantly.
The above propagation data sourced from Claude AI