Stiffleaf Scratchdaisy
Croptilon rigidifolium
- Native to:
- Mexico, United States
iNaturalist: © pufferchung (iNaturalist #230467880)






Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Asteraceae
- Genus:
- Croptilon
- Species:
- Croptilon rigidifolium
- USDA Symbol:
- CRRI3
Growth Characteristics
- Life Cycle:
- Annual
- Growth Habit:
- Forb/herb
- Height:
- 80 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- High
- Bloom Months:
- aug,sep,oct,nov
- Bloom Colors:
- yellow
Wildlife Benefits
- Bees:
- ★☆☆☆☆ Documented bee visitation (GBIF)
- Butterflies & Moths:
- ★☆☆☆☆ Documented Lepidoptera association (GBIF)
- Caterpillars:
- ★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)
Host Plant for Caterpillars
corn earworm (Helicoverpa zea), Tobacco budworm (Heliothis virescens)
Garden & Ecology Notes
- Wildlife Value:
- bees, butterflies
- Fire Ecology:
- Fire adapted — tolerates or benefits from fire
- Fire Notes:
- Occurs in fire-maintained sandhills and pine flatwoods; tolerates periodic fire and may increase in abundance post-burn.
Soil Requirements
- Soil Type:
- sandy, well-drained, nutrient-poor soil
- pH:
- 6.0 - 7.5 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- native to dry, open areas