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// SPECIES PROFILE · ANNUAL · NATIVE

Bigelow's tansyaster

Machaeranthera bigelovii var. bigelovii

Bigelow's tansyaster (Machaeranthera bigelovii var. 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–9b. 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–9b
Mature size
6"–3'
Sun
—
Water
Low · xeric
Bloom
Aug–Oct
Wildlife value
Pollinator and wildlife support
Ecological role
native species profile
Bigelow's tansyaster (Machaeranthera bigelovii var. bigelovii)
Machaeranthera bigelovii var. bigelovii — Bigelow's tansyaster. Photo via iNaturalist — (c) Jackson Irvin, some rights reserved (CC BY).

Field Notes

[ growing · ecology · siting · care ]

Bigelow's tansyaster (Machaeranthera bigelovii var. 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–9b. Mature size 6"–3'. Blooms Aug–Oct. Low water use makes it a strong candidate for xeric and drought-conscious plantings.

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).

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