Willowleaf Aster

Symphyotrichum praealtum, Asteraceae

Zones

4–8

Layer

Herbaceous

Lifespan

Perennial

Growth

Fast

Guild Roles

Pollinator AttractorBeneficial Insect HabitatPest Confuser

Growing Conditions

Sun

Full Sun (preferred)Partial Shade (tolerated)

Water

Moderate (established)High (seedling)

Soil pH

6 – 8

Tolerances

Drought

Frost

Heat

Pest Resistance

Disease Resist.

Companion Plants

White upland asterSolidago ptarmicoides

Pollinator Sharing

Beadle's Mountain MintPycnanthemum beadlei

Pest DeterrentPollinator Sharing

Antagonistic Plants

Purple Giant HyssopAgastache scrophulariifolia

Giant hyssop's strong essential oils may have allelopathic effects on nearby asters

Uses

Functions

Supports Late-Season Butterfly MigrationHosts Beneficial Predatory WaspsAttracts Native Mining BeesProvides Shelter For Beneficial InsectsSupports Lacewing Populations

Common Questions

What zones does Willowleaf Aster grow in?

Willowleaf Aster grows in USDA hardiness zones 4 through 8.

What are good companion plants for Willowleaf Aster?

Good companions for Willowleaf Aster include White upland aster, Beadle's Mountain Mint.

Design guilds with Willowleaf Aster and see companion relationships visually.

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