What growing conditions suit Marsh American-aster best?

It prefers full sun and consistently moist to wet soil, so it does well in marshes, wet meadows, ditches, and along pond or stream edges.

When does Marsh American-aster bloom?

Flowering typically runs from August into November, with purple ray flowers appearing in late summer and continuing through fall.

What insects visit Marsh American-aster flowers?

Bees, butterflies, and moths visit the flowers for nectar and pollen, especially during the late-season bloom period.

Can Marsh American-aster handle standing water or heavy rain?

Yes, it tolerates high soil moisture and is often found in low, wet spots that stay damp for extended periods.

Is Marsh American-aster HOA-friendly?

Marsh American-aster takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.

Marsh American-aster

Name: Pollinator Patch
Author: Pollinator Patch

Symphyotrichum elliottii

Last reviewed: August 2026

Marsh American-aster is a full-sun forb that thrives in consistently wet soil and blooms from August through November with pale purple flowers that draw bees, butterflies, and moths.

Toxicity unknown

Marsh American-aster (Symphyotrichum elliottii) is not listed by the ASPCA Animal Poison Control Center (opens in new tab) or the other sources we check, so we have no verdict for it either way. Absence from those lists is not a clearance. If your pet shows symptoms after eating any plant, call the ASPCA at (888) 426-4435.

Light

full sun

Water

high

Size

12"–36" H × 12"–24" W

Bloom

Aug, Sep, Oct, Nov

Native to

AL, FL, GA, LA and 3 more states

Pollinators

bees, butterflies, moths

Before you buy

Your city may pay you to plant this

Cities and water utilities offer rebates for replacing lawn with native and water-wise plants. We track 452 programs across 44 states, each with a link to the provider and the date we last checked it.

Find rebates in your area

Browse plants for this ecoregion

Middle Atlantic Coastal Plain Mississippi Alluvial Plain Southern Coastal Plain Southern Florida Coastal Plain

Marsh American-aster is a native wildflower that produces clusters of small purple or white daisy-like blooms from late summer through fall. This moisture-loving perennial thrives in wet soils and can spread to form naturalized colonies over time.

Growing Marsh American-aster

Grow Marsh American-aster in full sun and high water. Mature plants reach 12 to 36 inches tall and spread 12 to 24 inches wide. Expect moderate maintenance to keep it looking intentional in a front yard.

In an HOA neighborhood

Marsh American-aster takes more care to keep looking intentional in a front yard. Maintenance level: moderate. Consider it for backyard or mid-zone beds rather than the street edge.

Works well in: backyard only.

Spreading growth habit can appear uncontrolled
Requires consistently wet conditions that may look overwatered
Wild appearance doesn't match typical landscaping expectations

Wildlife value

The late-season blooms provide crucial nectar for bees, butterflies, and moths when many other flowers have finished. This plant is especially valuable for fall-migrating butterflies and native bee species.

Common questions

What growing conditions suit Marsh American-aster best?: It prefers full sun and consistently moist to wet soil, so it does well in marshes, wet meadows, ditches, and along pond or stream edges.
When does Marsh American-aster bloom?: Flowering typically runs from August into November, with purple ray flowers appearing in late summer and continuing through fall.
What insects visit Marsh American-aster flowers?: Bees, butterflies, and moths visit the flowers for nectar and pollen, especially during the late-season bloom period.
Can Marsh American-aster handle standing water or heavy rain?: Yes, it tolerates high soil moisture and is often found in low, wet spots that stay damp for extended periods.
Is Marsh American-aster HOA-friendly?: Marsh American-aster takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.

These answers were drafted with an AI model from this plant's data. Verify care details with a local expert.

Native range data from vouchered herbarium specimen records and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

If something looks wrong

Common plant problems, and what to check first

These come up on almost any plant. Each guide lists the likely causes in the order they are worth ruling out, with one thing to check before you act on any of them, and links to the source it came from.

See all plant problem guides

Ready to grow Marsh American-aster? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.

Add this plant to your garden

iPhone app Android app

Planning a bed around it? Start a free plan with this plant

Not sure where to start? Take the 2-minute yard quiz