Smallhead Aster

Symphyotrichum parviceps

Native to:
United States

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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:
60 cm
Light Requirements:
Full Sun
Drought Tolerance:
Low
Bloom Months:
sep,oct
Bloom Colors:
violet, white

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

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 — 60–90 days
Germination Time:
14–30 days
Notes:
Seeds germinate after cold stratification; surface sow on moist soil and keep warm after stratification.

Pre-treatment: Cold-moist stratification for 30 days at 1–5°C (34–41°F).

Source: Claude AI