// SPECIES PROFILE · ANNUAL · NATIVE

Bigelow's tansyaster

Machaeranthera bigelovii

Bigelow's tansyaster (Machaeranthera bigelovii) is a annual in the — family. Native range includes OK — verified against the Lady Bird Johnson Wildflower Center native distribution database. Hardy in zones 2a–10b. Mature size 6"–3'. Blooms Aug–Oct.

// QUICK FACTS

Family: —
Group: annual
Native range: Native to AZ, CO, NM, NV, OK, UT, WY
USDA hardiness: Zones 2a–10b
Mature size: 6"–3'
Sun: —
Water: —
Bloom: Aug–Oct
Wildlife value: Pollinator and wildlife support
Ecological role: native species profile

Bigelow's tansyaster (Machaeranthera bigelovii) — *Machaeranthera bigelovii* — Bigelow's tansyaster. Photo by Kurtab123 via Wikimedia Commons (CC0).

Field Notes

[ growing · ecology · siting · care ]

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, bigelow's tansyaster pairs naturally with: Common Sunflower (Helianthus annuus), Rocky mountain bee-plant (Peritoma serrulata), Swamp verbena (Verbena hastata), Powell's amaranth (Amaranthus powellii).