// SPECIES PROFILE · ANNUAL · NATIVE

Southern annual saltmarsh aster

Symphyotrichum divaricatum

Southern annual saltmarsh aster (Symphyotrichum divaricatum) is a annual in the — family. Native range includes AR, KS, MO, OK. Hardy in zones 4a–10a. Mature size 29"–6'. Blooms Aug–Oct.

// QUICK FACTS

Family: —
Group: annual
Native range: Native to 13 U.S. states, including AL, AR, KS, KY, LA, MO…
USDA hardiness: Zones 4a–10a
Mature size: 29"–6'
Sun: Part shade
Water: —
Bloom: Aug–Oct
Wildlife value: Pollinator and wildlife support
Ecological role: native species profile

Southern annual saltmarsh aster (Symphyotrichum divaricatum) — *Symphyotrichum divaricatum* — Southern annual saltmarsh aster. Photo by Meghan Cassidy (https://www.inaturalist.org/people/wildcarrot) via Wikimedia Commons (CC BY-SA 4.0).

Field Notes

[ growing · ecology · siting · care ]

Southern annual saltmarsh aster (Symphyotrichum divaricatum) is a annual in the — family. Native range includes AR, KS, MO, OK. Hardy in zones 4a–10a. Mature size 29"–6'. 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, southern annual saltmarsh aster pairs naturally with: Black-Eyed Susan (Rudbeckia hirta), Common Sunflower (Helianthus annuus), Plains Coreopsis (Coreopsis tinctoria), Partridge pea (Chamaecrista fasciculata var. fasciculata).