Michigan State University Extension
Ornamental Plants plus Version 3.0 - 00002280
11/12/99
Petasites japonicus--Japanese Butterbur
Hardiness Zones: 5 to 9
Height: 3 ft Spacing: 5 ft
Type: herbaceous perennial
Flowers: White
Comments: Japanese Butterbur can become a hard to control
weed. The white flowers appear on a tall stalk in the
spring. After flowering occurs, the large, rounded leaves
emerge. The plant may be used in wet areas and in the shade.
The plant is native to Asia.
Propagation: Use sections of the rhizomes.
Cultivars:
var. giganteus - This large plant will be 6 feet tall
with leaves that may be 3 to 4 feet across.
References for Cultivars: Weston Nurseries 1999, Wayside
Gardens 1999.
This information is for educational purposes only. References
to commercial products or trade names does not imply
endorsement by MSU Extension or bias against those not
mentioned. This information becomes public property upon
publication and may be printed verbatim with credit to MSU
Extension. Reprinting cannot be used to endorse or advertise
a commercial product or company.
This file was generated from data base ZZ on 01/19/00.
Data base ZZ was last revised on 11/12/99.
For more information about this data base or its contents please contact
heatley@msue.msu.edu . Please read our
disclaimer for important
information about using our site.