SimplePlant

Asteraceae

Woolly groundsel

Packera cana (Hook.) W.A.Weber & Á.Löve

Family
Asteraceae
Genus
Packera

Pet and kid safety: not checked yet. Check pet-safe plants

Woolly groundsel: Packera cana (syn. Senecio canus ), Craters of the Moon NM, Blaine County, Idaho. The bright yellow flowers first appear during the early summer but are most ab
Photo: Matt Lavin, CC BY-SA 2.0, from Wikimedia Commons

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Common names

By language (1)
English
Woolly groundsel

Synonyms

  • Packera cana f. cana
  • Senecio canus Hook.
  • Senecio canus var. canus
  • Senecio canus var. eradiatus D.C.Eaton
  • Senecio canus var. purshianus A.Nelson
  • Senecio convallium Greenm.
  • Senecio hallii Britton
  • Senecio hallii var. discoidea W.A.Weber
  • Senecio hallii var. hallii
  • Senecio harbourii Rydb.
  • Senecio howellii Greene
  • Senecio howellii var. howellii
  • Senecio laramiensis A.Nelson
  • Senecio oreopolus Greenm.
  • Senecio oreopolus var. oreopolus
  • Senecio purshianus Nutt.
  • Senecio purshianus var. purshianus

Flowers

Flower colour
yellow (USDA PLANTS Database)

Characteristics

Growth habit
Forb/herb, Subshrub
Lifespan
Perennial
In the US and Canada
Canada: native, Lower 48 states: native

Toxicity: Moderate, as listed by the USDA PLANTS Database (2025-05-29). USDA rates how toxic a plant is to people or livestock; it is not a pet-safety rating, so ask a vet or poison line if a pet or child ate it.

Photos

More in Packera

Sources: classification, synonyms from World Flora Online Plant List (2026-06, CC0 1.0); common names, popularity from Wikidata (2026-10-26, CC0 1.0); common names, US characteristics from USDA PLANTS Database (2025-05-29, CC0 1.0). About our plant data.