Silphium asperrimum
Silphium asperrimum
- Native to:
- United States | AL, AR, GA, LA, MS, NC, OK, SC, TX
iNaturalist: © jenogle (iNaturalist #81982407)
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Asteraceae
- Genus:
- Silphium
- Species:
- Silphium asperrimum
Growth Characteristics
- Growth Habit:
- Forb/herb
- Height:
- 180 cm
- Drought Tolerance:
- High
- Bloom Months:
- jul,aug,sep
- Bloom Colors:
- yellow
Keystone Species Ranking
- Pollen Specialist Bee Keystone:
- ★★☆☆☆ Native pollen specialist bee species supported by this genus (NWF)
Garden & Ecology Notes
- Wildlife Value:
- birds, butterflies
Source: deepseek-v4-flash
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–60 days
- Germination Time:
- 14–30 days
- Notes:
- Seeds benefit from cold stratification for 30-60 days to improve germination.
Source: deepseek-v4-flash