Smallhead Aster
Symphyotrichum parviceps
- Native to:
- United States
jfaupel (www.inaturalist.org)






Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Asteraceae
- Genus:
- Symphyotrichum
- Species:
- Symphyotrichum parviceps
- USDA Symbol:
- SYPA10
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb
- Height:
- 120 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Medium
- Bloom Months:
- sep,oct,nov
- Bloom Colors:
- white, lavender, pale blue
Wildlife Benefits
- Bees:
- ★☆☆☆☆ Documented bee visitation (GBIF)
- Butterflies & Moths:
- ★☆☆☆☆ Documented Lepidoptera association (GBIF)
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), clover cutworm (Agrotis gladiaria), Coleophora astericola, Coleophora ericoides, Coleophora polemoniella, Cucullia alfarata, dingy cutworm (Feltia jaculifera), Gnorimoschema subterranea, kidney-spotted minor (Lacinipolia renigera), Lacinipolia meditata, Orthodes crenulata, Pale-banded Dart (Agnorisma badinodis), Peppered Moth (Biston betularia), Pseudorthodes vecors, Wavy-lined Emerald (Synchlora aerata), Meadow Crescent (Phyciodes pratensis), Pearl Crescent (Phyciodes tharos)
Garden & Ecology Notes
- Wildlife Value:
- bees, butterflies, birds
- Deer Resistant:
- Yes
- Fire Ecology:
- Fire adapted — tolerates or benefits from fire
- Fire Notes:
- Resprouts from rootstock following fire; benefits from periodic burning in prairie ecosystems.
Soil Requirements
- Soil Type:
- moist, well-drained loamy soil
- pH:
- 5.5 - 7.0 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- consistently moist
- Notes:
- prefers habitats near streams or wetlands
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–60 days
- Germination Time:
- 14–30 days
- Notes:
- Surface sow; light aids germination. Cold stratification improves germination rates.
The above propagation data sourced from Claude AI
Pre-treatment: Cold-moist stratification for 30 days at 1–5°C (34–41°F).
Source: Claude AI