Alkali Marsh Aster

Symphyotrichum adnatum, Asteraceae

Zones

3–8

Layer

Herbaceous

Lifespan

Perennial

Growth

Moderate

Guild Roles

Pollinator AttractorBeneficial Insect HabitatPest Confuser

Growing Conditions

Sun

Full Sun (preferred)Partial Shade (tolerated)

Water

Moderate (established)Moderate (seedling)

Soil pH

7 – 9

Tolerances

Drought

Frost

Heat

Pest Resistance

Disease Resist.

Companion Plants

Zigzag GoldenrodSolidago flexicaulis

Shade ProvisionPollinator Sharing

False WillowBaccharis neglecta

Wind ProtectionBeneficial Insect Habitat

Antagonistic Plants

Western Sky AsterSymphyotrichum ascendens

Related aster species compete for similar marsh and alkaline habitats with overlapping resource requirements

Decurrent False AsterBoltonia decurrens

Related Asteraceae compete for similar wetland habitats and light conditions

Uses

Functions

Late Fall Nectar SourceAttracts Migrating Monarch ButterfliesSupports Native BeesHosts Beneficial BeetlesParasitic Wasp HabitatSalt-Tolerant Pollinator Plant

Common Questions

What zones does Alkali Marsh Aster grow in?

Alkali Marsh Aster grows in USDA hardiness zones 3 through 8.

What are good companion plants for Alkali Marsh Aster?

Good companions for Alkali Marsh Aster include Zigzag Goldenrod, False Willow.

Design guilds with Alkali Marsh Aster and see companion relationships visually.

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