Bloomipedia
Hoary tansyaster (Dieteria canescens)
Photo: Farren Dell Rossman via iNaturalist · CC BY 4.0 · resized

Flower profile

Hoary tansyaster

Dieteria canescens

Native to Nevada

Hoary tansyaster is a wildflower that USDA PLANTS lists as native in the lower 48 states. In Nevada it's most often seen in bloom in April–November.

15states
442NV sightings*
4,038U.S. sightings*

*iNaturalist research-grade observations, as of October 17, 2026.

On our lists for: Nevada

Quick look

Dieteria canescens is an annual plant or short lived perennial plant in the family Asteraceae, known by the common names hoary tansyaster and hoary-aster.

  • It belongs to the Asteraceae family. iNaturalist
  • USDA PLANTS describes it as an herb (forb) with a annual, biennial, perennial life cycle. USDA PLANTS
  • USDA PLANTS lists it as native in the lower 48 states and records it in 15 states. USDA PLANTS
  • NatureServe lists it as native to Nevada. NatureServe
  • In Nevada, most iNaturalist sightings of it in flower come in April–November. iNaturalist
  • iNaturalist has 442 research-grade sightings of it in Nevada, ranking #92 among the 110 flowers on our Nevada list. iNaturalist

Hoary tansyaster gift ideas

Handmade hoary tansyaster gifts from independent makers.

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When does it bloom?

In Nevada, most flowering sightings come in April–November.

Flowering records by month in Nevada (iNaturalist research-grade observations marked “Flowering”) (90 records)

Conservation status

Federal (U.S. ESA)
Not listed No U.S. Endangered Species Act listing in the USFWS ECOS database. USFWS ECOS
NatureServe global
G5 Secure worldwide. NatureServe
Nevada
Not listed Not on Nevada fully protected plants, critically endangered (NAC 527.010). NatureServe: S5, secure in Nevada. NAC 527.010
Rare elsewhere
No other U.S. state ranks it S1, S2, SH or SX.

Checked October 17, 2026. Rankings and lists can change, so follow the links for the latest.

Can you eat it?

For peopleNot well documented

None of the sources we checked (NC State Extension (no page for this plant), USDA PLANTS) say whether it's edible or poisonous for people.

For petsNot well documented

It isn't on the ASPCA plant list.

🌿 Never eat a wild plant unless you're certain of its ID; this isn't medical advice. Worried about a person? Call Poison Control at 1-800-222-1222. Worried about a pet? Call your vet.

Where does it grow?

USDA PLANTS records hoary tansyaster in 15 states.

recorded by USDA PLANTS on our state lists not recorded

See the full list of states

Arizona, California, Colorado, Idaho, Iowa, Minnesota, Montana, Nebraska, Nevada, New York, North Dakota, Oregon, South Dakota, Utah, Wyoming.

Nevada counties with USDA records: Carson City, Churchill, Clark, Douglas, Elko, Esmeralda, Eureka, Humboldt, Lander, Lincoln, Lyon, Mineral, Nye, Pershing, Storey, Washoe, White Pine.

More Nevada flowers

Common yarrow (Achillea millefolium)

Common yarrow

Achillea millefolium

Native

🌼 Blooms in NV: May–August
Brittlebush (Encelia farinosa)

Brittlebush

Encelia farinosa

Native

🌼 Blooms in NV: January–December
Common sunflower (Helianthus annuus)

Common sunflower

Helianthus annuus

🌷 Garden flower

🌼 Blooms in NV: June–October

Sources