Yankeeweed
Eupatorium compositifolium
- Native to:
- United States
iNaturalist: © supertiger (iNaturalist #231136544)
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Asteraceae
- Genus:
- Eupatorium
- Species:
- Eupatorium compositifolium
- USDA Symbol:
- EUCO7
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb
- Height:
- 150 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- High
- Bloom Months:
- aug,sep,oct,nov
- Bloom Colors:
- white
Wildlife Benefits
- Bees:
- ★☆☆☆☆ Documented bee visitation (GBIF)
- Butterflies & Moths:
- ★☆☆☆☆ Documented Lepidoptera association (GBIF)
- Caterpillars:
- ★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)
Keystone Species Ranking
- Caterpillar Keystone:
- ★★★☆☆ Butterfly & moth species supported by this genus (NWF)
Host Plant for Caterpillars
black-shaded platynota (Platynota flavedana), Omnivorous Leafroller (Platynota rostrana), Platynota nigrocervina, Three-lined Flower Moth (Schinia trifascia)
Garden & Ecology Notes
- Wildlife Value:
- bees, butterflies, moths
- Deer Resistant:
- Yes
- Fragrant:
- Yes
- Fire Ecology:
- Fire adapted — tolerates or benefits from fire
- Fire Notes:
- Common colonizer of disturbed sites and fire-maintained longleaf pine savannas; resprouts from rootstock after fire.
Soil Requirements
- Soil Type:
- sandy, acidic, nutrient-poor soil
- pH:
- 4.5 - 6.5 (acidic to slightly acidic)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- commonly found in pine flatwoods and sandy areas
Propagation & Germination
- Stratification:
- None required
- Germination Time:
- 14–30 days
- Notes:
- Surface sow; seeds require light for germination.
The above propagation data sourced from Claude AI