Bigelow's tansyaster
Machaeranthera bigelovii
Last reviewed: August 2026
Light
full sun
Water
low
Size
12"–30" H × 12"–18" W
Bloom
Jul, Aug, Sep, Oct
Native to
AZ, CO, NM, UT and 1 more states
Pollinators
bees, butterflies
Before you buy
Your city may pay you to plant this
Cities and water utilities offer rebates for replacing lawn with native and water-wise plants. We track 431 programs across 44 states, each with a link to the provider and the date we last checked it.
Find rebates in your areaAn upright biennial or short-lived perennial with resinous, toothed leaves and abundant purple daisy-like flowers with yellow centers in late summer and fall.
Wildlife value
An important late-season nectar source for native bees and butterflies before frost.
Common questions
- How much sun does Bigelow's tansyaster need?
- Bigelow's tansyaster grows best in full sun conditions.
- When does Bigelow's tansyaster bloom?
- Bigelow's tansyaster blooms in July, August, September, and October.
- Where is Bigelow's tansyaster native?
- Bigelow's tansyaster (Machaeranthera bigelovii) is native to AZ, CO, NM, UT and 1 more states, per vouchered herbarium specimen records and regional native plant society lists.
- What pollinators does Bigelow's tansyaster attract?
- Bigelow's tansyaster draws bees and butterflies.
Native range data from vouchered herbarium specimen records and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.
Ready to grow Bigelow's tansyaster? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.
Not sure where to start? Take the 2-minute yard quiz