Life Span
Perennial
Perennial
Type
Tree
Herbaceous Perennial
Origin
Asia
China, Japan, Korea
Types
Pterocarya fraxinifolia, Pterocarya stenoptera
-
Number of Varieties
315
0
40000
👆🏻
Habitat
Boggy areas, Mixed deciduous forest
Dappled Shade, meadows, Shady Edge, Sunny Edge, Woodland Garden
USDA Hardiness Zone
6-95-9
0
99
👆🏻
AHS Heat Zone
9-1
9-4
Sunset Zone
4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Oval or Rounded
Clump-Forming
Plant Size
Minimum Height
1,520.00 cm60.00 cm
0
3900
👆🏻
Minimum Width
1,220.00 cm120.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Yellow green
Light Yellow, Ivory
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Green, Brown
-
Leaf Color in Spring
Green
Green
Leaf Color in Summer
Green
Green
Leaf Color in Fall
Green, Yellow green
Green
Leaf Color in Winter
-
-
Shape
Leaf Shape
Pinnate
Ovate
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall
Spring, Summer, Fall
Growing Conditions
Sunlight
Full Sun
Partial shade, Full Shade
Growth Rate
Fast
Fast
Type of Soil
Clay, Loam, Sand
Clay, Loam, Sand
The pH of Soil
Acidic, Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Drainage
Well drained
Poorly Drained
Bloom Time
Spring, Late Spring
Early Spring, Late Winter
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought, Soil Compaction
Wet Site
Where to Plant?
Ground
Container, Ground, Pot
How to Plant?
Divison, Stem Cutting
Divison, Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Needs less watering
Water once every two or three weeks
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Acidic, Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Type
Clay, Loam, Sand
Clay, Loam, Sand
Soil Drainage Capacity
Well drained
Poorly Drained
Sun Exposure
Full Sun
Partial shade, Full Shade
Pruning
Remove all suckers, Remove damaged leaves, Remove dead branches, Remove dead leaves
Remove the old foliage
Fertilizers
All-Purpose Liquid Fertilizer, Nitrogen, Phosphorous
Use a fertilizer ratio of 16-4-8
Pests and Diseases
-
-
Plant Tolerance
Drought, Soil Compaction
Drought
Flowers
Showy
Showy
Flower Petal Number
Single
-
Fruits
Showy Fruit
✔
✘
✔
✘
Edible Fruit
✔
✘
✔
✘
Fragrance
Fragrant Flower
✔
✘
✔
✘
Fragrant Fruit
✔
✘
✔
✘
Fragrant Leaf
✔
✘
✔
✘
Fragrant Bark/Stem
✔
✘
✔
✘
Showy Foliage
✔
✘
✔
✘
Showy Bark
✔
✘
✔
✘
Foliage Texture
Medium
Bold
Foliage Sheen
Glossy
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Birds, Butterflies, Hummingbirds
-
Allergy
-
-
Uses
Aesthetic Uses
-
Bog Garden, Showy Purposes
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
-
Air purification
Plant Benefits
Medicinal Uses
Diaphoretic
Antiasthamatic, Antispasmodic, Expectorant, Poultice
Part of Plant Used
Bark, Fruits, Seeds
Flowers, Stem
Other Uses
-
Can be boiled and seasoned, pickled, Used as umbrellas by Japanese children, Used as walking sticks, Used like rhubarb
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Shade Trees
Bog Garden, Container, Feature Plant, Water Gardens
Botanical Name
Pterocarya fraxinifolia
PETASITES japonicus
Common Name
Caucasian wingnut, Caucasian walnut
Giant Butterbur, Japanese Butterbur
In Hindi
wingnut
Giant Butterbur
In German
wingnut
Riesen Pestwurz
In French
wingnut
géant Butterbur
In Spanish
wingnut
gigante petasita
In Greek
wingnut
Giant Butterbur
In Portuguese
wingnut
Carrapicho gigante
In Polish
Wingnut
Giant Lepiężnik
In Latin
wingnut
Giant Butterbur
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Fagales
Asterales
Family
Juglandaceae
Asteraceae
Genus
Pterocarya
Petasites
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Asterids, Eudicots
Tribe
Juglandeae
Senecioneae
Subfamily
Juglandoideae
Asteroideae
Number of Species
61
1
27800
👆🏻