Southern Annual Saltmarsh Aster

Symphyotrichum divaricatum

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Asteraceae
Genus:
Symphyotrichum
Species:
Symphyotrichum divaricatum

Growth Characteristics

Life Cycle:
Annual | Biennial
Growth Habit:
Forb/herb
Height:
6-8 ft
Light Requirements:
Part Shade
Drought Tolerance:
High
Bloom Months:
aug, sep, oct
Bloom Colors:
White, Pink, Blue, Purple

Keystone Species Ranking

Caterpillar Keystone:
★★☆☆☆ Based on number of butterfly and moth species using this genus as host plant (Source: National Wildlife Federation)
Bee Keystone:
★★☆☆☆ Based on number of native bee species using this genus for pollen and nectar (Source: National Wildlife Federation)

Host Plant for Caterpillars

Bucculatrix sexnotata, Gnorimoschema gallaeasterella

Soil Requirements

Soil Type:
moist, well-drained sandy loam
pH:
6.0 - 7.5 (slightly acidic to neutral)
Drainage:
good drainage required
Moisture:
consistently moist
Notes:
prefers open, sunny areas in native habitat

Germination Information

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

Source: OpenAI GPT-4o