Bigelow's Tansyaster

Machaeranthera bigelovii

Bigelow's tansyaster is a Southwestern annual or biennial that crowns the season with violet-purple asters on bushy stems in late summer and fall, a drought-tolerant native and valuable late nectar source.

Family: Asteraceae
Type: wildflower
Lifespan: annual
Height: 1–3 ft
Spacing: 0.5–1 ft apart
Light: sun
Soil moisture: dry
Soil pH: neutral, alkaline
Bloom: August, September, October
Bloom colors: purple
Wildlife value: pollinators, butterflies, songbirds
Landscape uses: border
Native states: CO, NM