Marsh American-Aster
Symphyotrichum elliottii
- Native to:
- United States, Virgin Islands
Justin (www.inaturalist.org)






Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Asteraceae
- Genus:
- Symphyotrichum
- Species:
- Symphyotrichum elliottii
- USDA Symbol:
- SYEL2
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb , Subshrub
- Height:
- 120 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Low
- Bloom Months:
- sep,oct,nov
- Bloom Colors:
- violet, blue, purple
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)
- Pollen Specialist Bee Keystone:
- ★★★★☆ Native pollen specialist bee species supported by this genus (NWF)
Host Plant for Caterpillars
Arcigera Flower Moth (Schinia arcigera), Asymmetrura impositella, Impecunious Borer Moth (Papaipema impecuniosa), Lioptilodes parvus, Northern Flower Moth (Schinia septentrionalis), orange oakleaf (Charidryas nycteis), Pearl Crescent (Phyciodes tharos)
Garden & Ecology Notes
- Wildlife Value:
- bees, butterflies, birds
- Fire Ecology:
- Fire adapted — tolerates or benefits from fire
- Fire Notes:
- Benefits from occasional fire to reduce competition and maintain open habitat in pine savannas.
Soil Requirements
- Soil Type:
- moist, fertile, well-drained soil
- pH:
- 5.5 - 7.0 (slightly acidic to neutral)
- Drainage:
- tolerates poor drainage
- Moisture:
- consistently moist
- Notes:
- commonly found in wetlands and marshy areas
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–60 days
- Germination Time:
- 14–30 days
- Notes:
- Seeds germinate readily after cold stratification; surface sow on moist soil and keep warm.