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// SPECIES PROFILE · PERENNIAL · NATIVE

Amethyst aster

Symphyotrichum × amethystinum

Amethyst aster (Symphyotrichum × amethystinum) is a perennial in the — family. Native range includes MO — verified against the Lady Bird Johnson Wildflower Center native distribution database. Hardy in zones 2b–9a. Blooms Aug–Oct.

// QUICK FACTS
Family
—
Group
perennial
Native range
Native to 19 U.S. states, including CO, CT, IA, IL, IN, KY…
USDA hardiness
Zones 2b–9a
Mature size
—
Sun
—
Water
—
Bloom
Aug–Oct
Wildlife value
Pollinator and wildlife support
Ecological role
native species profile
Amethyst aster (Symphyotrichum × amethystinum)
Symphyotrichum × amethystinum — Amethyst aster. Photo by File:Symphyotrichum carnerosanum 137208712.jpg: José Gerardo Velasco File:H20130729-9066—Symphyotrichum chilense—UCBG (14542414478).jpg: John Rusk from Berkeley, CA, United States of America File:Symphyotrichum adnatum 56987987 (cropped).jpg: Jay Horn File:Calico Asters 25 September 2012 (cropped2).jpg: Cathie Bird File:Symphyotrichum concolor 52674438.jpg: Doug Goldman File:Symphyotrichum ericoides Green Lake County, WI flowerhead.jpg: davecz2 File:Symphyotrichum defoliatum 5242734-squared.jpg: Millie Basden File:Symphyotrichum ciliatum.jpg: Andrey Zharkikh from Salt Lake City, USA File:Symphyotrichum novae-angliae flower (24) (cropped).jpg: Andrew Sebastian derivative work: Eewilson via Wikimedia Commons (CC BY-SA 3.0).

Field Notes

[ growing · ecology · siting · care ]

Amethyst aster (Symphyotrichum × amethystinum) is a perennial in the — family. Native range includes MO — verified against the Lady Bird Johnson Wildflower Center native distribution database. Hardy in zones 2b–9a. Blooms Aug–Oct.

Why it's on this list: native species profile. Native-range data from the Lady Bird Johnson Wildflower Center (NPIN), cross-checked against iNaturalist observations. Part of Rooted Revival's regional native plant catalog — true natives for Oklahoma, Arkansas, Missouri and Kansas.

Companion Planting

[ guild · polyculture · cross-layer pairings ]

In the same native range, amethyst aster pairs naturally with: Broadleaf Arrowhead (Sagittaria latifolia), False Sunflower (Heliopsis helianthoides), Lady Fern (Athyrium filix-femina), New England Aster (Symphyotrichum novae-angliae).

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