Catclaw Acacia
Senegalia wrightii
- Native to:
- Mexico, United States
iNaturalist: © pearlsss1 (iNaturalist #23439774)






Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Fabaceae
- Genus:
- Senegalia
- Species:
- Senegalia wrightii
- USDA Symbol:
- SEWR4
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Shrub , Tree
- Height:
- 900 cm
- Light Requirements:
- Full Sun,Part Shade
- Drought Tolerance:
- High
- Bloom Months:
- apr,may,jun
- Bloom Colors:
- cream, white
Wildlife Benefits
- Bees:
- ★☆☆☆☆ Documented bee visitation (GBIF)
- Butterflies & Moths:
- ★★★☆☆ Documented Lepidoptera association (GBIF)
- Hummingbirds:
- ★☆☆☆☆ Documented hummingbird visits (GBIF)
Host Plant for Caterpillars
Burns' buck moth (Hemileuca burnsi), Hubbard's silk moth (Syssphinx hubbardi), Melipotis novanda, tricolor buckmoth (Hemileuca tricolor), Zaleops umbrina
Reported Fauna Sightings
Bees: ⚠️Western honey bee (Apis mellifera) Hummingbirds: Costa's Hummingbird (Calypte costae) Butterflies:Marine Blue (Leptotes marina)
Garden & Ecology Notes
- Wildlife Value:
- birds, butterflies, mammals
- Salt Tolerant:
- Yes
- Fragrant:
- Yes
- Fire Ecology:
- Fire adapted — tolerates or benefits from fire
- Fire Notes:
- Resprouts from root crown after fire; fire may stimulate seed germination.
Soil Requirements
- Soil Type:
- well-drained sandy or rocky soil
- pH:
- 6.0 - 8.0 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- native to arid and semi-arid regions
Propagation & Germination
- Stratification:
- Warm then cold/moist stratification (double dormancy) — 30–90 days
- Scarification:
- Seed coat scarification required before sowing
- Germination Time:
- 14–60 days
- Notes:
- Seeds require scarification (nicking or hot water treatment) followed by warm stratification then cold stratification for optimal germination.
Pre-treatment: Cold-moist stratification for 30 days at 1–5°C (34–41°F).; then Scarify, then cold-moist stratify for 60 days.
Source: Claude AI