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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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