Canada's Plant Hardiness Site

Choose a species from the list below.

Email us if the plant you wish to report is not listed on the site, or to report any nomenclature errors.

family: Asteraceae

Petasites frigidus northern sweet coltsfoot,arctic sweet coltsfoot
Petasites frigidus var. frigidus
Petasites frigidus var. palmatus northern sweet coltsfoot,arctic butterbur,western sweet coltsfoot
Petasites frigidus var. sagittatus arrowhead sweet coltsfoot,arrowleaf sweet coltsfoot
Petasites frigidus var. ×vitifolius vineleaf petasites,grapeleaf sweet coltsfoot
Petasites japonicus
Petasites japonicus var. giganteus giant Japanese butterbur