California Silverbush
Argythamnia serrata
- Native to:
- Guatemala, Mexico, Nicaragua, United States
iNaturalist: © inceptis (iNaturalist #166841425)






Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Euphorbiaceae
- Genus:
- Argythamnia
- Species:
- Argythamnia serrata
- USDA Symbol:
- ARCA19
Growth Characteristics
- Life Cycle:
- Annual | Perennial
- Growth Habit:
- Forb/herb , Shrub , Subshrub
- Height:
- 100 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- High
- Bloom Months:
- apr,may,jun,jul,aug,sep,oct
- Bloom Colors:
- white, cream
- Landscaping Shrub:
- Yes
Wildlife Benefits
- Bees:
- ★☆☆☆☆ Documented bee visitation (GBIF)
- Butterflies & Moths:
- ★☆☆☆☆ Documented Lepidoptera association (GBIF)
Garden & Ecology Notes
- Wildlife Value:
- bees, butterflies, small insects
- Deer Resistant:
- Yes
- Fire Ecology:
- Fire adapted — tolerates or benefits from fire
- Fire Notes:
- Resprouts from woody base after top-kill by fire or frost. Common in fire-maintained prairies and savannas of south-central United States.
Propagation & Germination
- Stratification:
- None required
- Germination Time:
- 14–30 days
- Notes:
- Fresh seed germinates readily; older seed may have reduced viability. Warm temperatures preferred for germination.
The above propagation data sourced from Claude AI