Photo by Intrinsic Perennial Gardens
Used with permission, all rights reserved
Petasites japonicus
Also Known As
- Bog Rhubarb
- Fuki
- Giant Butterburr
Plant type
perennial, bulb / corm / tuber
size
- H: 2'-3'
- W: 3'-5'
planting zones
- 4a-9b
Petasites japonicus plant details
Petasites japonicus is a broadleaf deciduous perennial bulb / corm / tuber with green foliage. In spring and summer white flowers emerge. Grows well with bright shade - shade and even moisture - regular water. Adapts to various soil conditions. Does well in well-drained soil.
CHARACTERISTICS OF Petasites japonicus
- Plant type: perennial bulb / corm / tuber
- Plant family: asteraceae
- Foliage: deciduous green
- Mature size: 3 FT - 5 FT - wide, 2 FT - 3 FT - tall
- Flowers: white blooms in spring and summer
- Uses: big leaves
GROWING CONDITIONS for Petasites japonicus
- USDA Zones: 4a - 9b
- Sun exposure: bright shade - shade
- Watering frequency: even moisture - regular
- Soil needs: well-drained
Nursery contributed plant descriptions
Garden photo gallery of Petasites japonicus
By: Kropsoq
This file is licensed under the Creative Commons Attribution-Share Alike 3.0 license.
View Original Photo
By: Joi Ito
This file is licensed under the Creative Commons Attribution 2.0 Generic license.
View Original Photo
Gardening facts about Petasites japonicus plant
How to Grow Petasites japonicus
Sun Exposure
- bright shade - shade
Water Needs
- even moisture - regular
Soil Needs
- adaptable
- well-drained
Features
Foliage Color
- green
Flower Color
- white
Flower Season
- spring
- summer
Foliage Season
- deciduous
Landscape groups by tags
See other plant types of Petasites for your garden
aka Alpine Butterbur, Arctic Butterbur, Sweet Coltsfoot
Plant Type
Perennial, Groundcover, Aquatic
Zones
4a-9b
Size
Height: 1'-3'
Width: 5'-15'
- bright shade - shade
- even moisture - high
aka Winter Heliotrope
Plant Type
Perennial, Groundcover, Aquatic
Zones
8a-10b
Size
Height: 6"-12"
Width: 24"
- sun - shade
- high - drought tolerant
aka Petasites palmatus 'Golden Palms', Golden Coltsfoot
Plant Type
Perennial, Groundcover
Zones
6a-10b
Size
Height: 10"-16"
Width: 24"-60"
- sun - shade
- even moisture - regular
aka Bog Rhubarb, Butterbur, Devil's Hat, Pestilence Wort
Plant Type
Perennial, Groundcover, Aquatic
Zones
4a-6b
Size
Height: 24"-36"
Width: 24"-36"
- mostly sun - shade
- even moisture - regular
aka Petasites japonica 'Nishiki-buki', Petasites japonica 'Variegata', Petasites japonicus 'Variegatus', Giant Japanese Butterbur
Plant Type
Perennial, Groundcover, Aquatic
Zones
5a-10b
Size
Height: 40"-48"
Width: 10'-17'
- sun - shade
- even moisture - regular
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