Petasites albus
- Families: Asteraceae Asteroideae Senecioneae
- English name: Butterbar
- Plant ID : 22663
- Author : (Carl von Linné (1707-1778)) Joseph Gärtner (1732-1791)
- Zone : Mediterranean
- Biological type : plant
- Adult size (h x w) : 1,97f x 1,64f
- Sun exposure : shadow
- Evergreen : deciduous
- Growth : fast
- Hardiness : 5°F
- Leaf color : bright green
- Flower color : white
- Formerly of wild origin : no
- Native : yes
- In danger : no
- Edible : no
- FrostResistance >-5°C : yes
- FrostResistance >-8°C : yes
- FrostResistance >-12°C : yes