// SPECIES PROFILE · ANNUAL · NATIVE

Rayless alkali aster

Symphyotrichum ciliatum

Rayless alkali aster (Symphyotrichum ciliatum) is a annual in the — family. Native range includes KS, MO, OK. Hardy in zones 2a–9a. Mature size 1"–28". Blooms Sep–Sep.

// QUICK FACTS

Family: —
Group: annual
Native range: Native to 22 U.S. states, including CO, IA, ID, IL, IN, KS…
USDA hardiness: Zones 2a–9a
Mature size: 1"–28"
Sun: Full sun
Water: —
Bloom: Sep–Sep
Wildlife value: Pollinator and wildlife support
Ecological role: native species profile

Rayless alkali aster (Symphyotrichum ciliatum) — *Symphyotrichum ciliatum* — Rayless alkali aster. Photo by Andrey Zharkikh from Salt Lake City, USA via Wikimedia Commons (CC BY 2.0).

Field Notes

[ growing · ecology · siting · care ]

Rayless alkali aster (Symphyotrichum ciliatum) is a annual in the — family. Native range includes KS, MO, OK. Hardy in zones 2a–9a. Mature size 1"–28". Blooms Sep–Sep.

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, rayless alkali aster pairs naturally with: Common Sunflower (Helianthus annuus), Swamp verbena (Verbena hastata), Annual ragweed (Ambrosia artemisiifolia var. artemisiifolia), Field sagewort (Artemisia campestris).