Aromatic Aster
Symphyotrichum oblongifolium
Last reviewed: August 2026
Symphyotrichum oblongifolium (Aromatic Aster) is a native wildflower blooming August through October across the central and eastern United States. This drought-tolerant perennial attracts bees, butterflies, and beetles with its abundant purple flowers.
Toxicity unknown
Aromatic Aster (Symphyotrichum oblongifolium) 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
low
Size
12"–36" H × 12"–24" W
Bloom
Aug, Sep, Oct
Native to
AL, AR, CO, IA and 23 more states
Pollinators
bees, butterflies, beetles
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 437 programs across 44 states, each with a link to the provider and the date we last checked it.
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Aromatic aster is a compact native wildflower that produces masses of small purple or blue flowers from late summer through fall. This drought-tolerant perennial forms neat, bushy clumps and provides crucial late-season blooms when few other flowers are available.
Growing Aromatic Aster
Grow Aromatic Aster in full sun and low water. Mature plants reach 12 to 36 inches tall and spread 12 to 24 inches wide. Expect low maintenance to keep it looking intentional in a front yard.
In an HOA neighborhood
Aromatic Aster is an HOA-friendly choice. Maintenance level: low. Tidiness: 3 out of 5.
Works well in: foundation, mid zone.
- Can look sparse in winter when dormant
- May spread more than expected if conditions are favorable
Wildlife value
This plant is a pollinator powerhouse, supporting bees, butterflies, and beetles during the critical fall migration period. It serves as a host plant for several butterfly species and provides nectar when most other flowers have finished blooming.
Common questions
- When does Aromatic Aster bloom?
- Aromatic Aster blooms from August through October, providing late-season nectar when many other wildflowers have finished.
- What pollinators visit Symphyotrichum oblongifolium?
- This native aster attracts bees, butterflies, and beetles, making it valuable for supporting pollinator populations in fall gardens.
- Where is Aromatic Aster native?
- Aromatic Aster is native to 29 states across the central and eastern United States, from Montana and Wyoming east to Pennsylvania and south to Texas and Alabama.
- How much water does Aromatic Aster need?
- This drought-tolerant native requires low to moderate water once established, making it suitable for xeriscaping and low-maintenance gardens.
- Is Aromatic Aster HOA-friendly?
- Aromatic Aster is generally an HOA-friendly choice in the right placement, with low maintenance.
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.
Ready to grow Aromatic Aster? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.
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