Petasites palmatus Sweet butterbur (Compositae)

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Petasites palmatus
Sweet butterbur
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The Petasites palmatus plant species is found in N. America - Newfoundland to Massachusetts, west to Alaska and south to California. It is a member of the Compositae family. Common gardeners may know the plant as Sweet butterbur.

Cultivation | Propagation | General Uses
Medicinal | Edible Uses

Latin Name:  Petasites palmatus
Common Name:  Sweet butterbur
Family:  Compositae
Author:  (Ait.)Gray.

Known Hazards:  None known

Mature Height:  0.4   Mature Width:  1

Habitat:  Low woods, glades and damp clearings[43]. Swamps and along the sides of streams[235].

Cultivation Notes: Succeeds in ordinary garden soil[1], but prefers a deep fertile humus-rich soil that is permanently moist but not stagnant, succeeding in shade, semi-shade or full sun[200]. Requires a moist shady position[187]. Plants can be grown in quite coarse grass, which can be cut annually in the autumn[233]. Plants are hardy to about -20°c[187]. A very invasive plant, too rampant for anything other than the wild garden[187, 200]. Dioecious, male and female plants must be grown if seed is required.

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Cultivation | Propagation | General Uses
Medicinal | Edible Uses

The information above has been supplied solely via the hard work and dedication of the team at 'Plants for a Future'.
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