Life Span
Perennial
Perennial
Type
Herbaceous Perennial
Sedge or Rush
Origin
China, Japan, Korea
World/Pandemic, North America, Europe, Russia/Siberia, Africa, Asia
Types
-
austrocalifornicus , effusus , laxus , pacificus , solutus
Number of Varieties
155
0
40000
👆🏻
Habitat
Dappled Shade, meadows, Shady Edge, Sunny Edge, Woodland Garden
All sorts of environments, Banks, ditches, marshes, Shores of rivers or lakes
USDA Hardiness Zone
5-96-9
0
99
👆🏻
AHS Heat Zone
9-4
9-6
Sunset Zone
2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
H1, 1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Clump-Forming
Clump-Forming
Plant Size
Minimum Height
60.00 cm45.70 cm
0
3900
👆🏻
Minimum Width
120.00 cm61.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Light Yellow, Ivory
Brown
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
-
Leaf Color in Spring
Green
Green
Leaf Color in Summer
Green
Green
Leaf Color in Fall
Green
Green
Leaf Color in Winter
-
Green, Tan, Sandy Brown
Shape
Leaf Shape
Ovate
Long hair-like leaves
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Partial shade, Full Shade
Full Sun, Partial Sun
Growth Rate
Fast
Fast
Type of Soil
Clay, Loam, Sand
Clay, Loam, Sand
The pH of Soil
Acidic, Neutral, Alkaline
Acidic, Neutral
Soil Drainage
Poorly Drained
Poorly Drained
Bloom Time
Early Spring, Late Winter
Early Summer, Summer, Late Summer, Early Fall
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Wet Site
Drought
Where to Plant?
Container, Ground, Pot
Ground
How to Plant?
Divison, Seedlings
Divison, reseeds
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Water once every two or three weeks
Does not require regular watering
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
Soil Type
Clay, Loam, Sand
Clay, Loam, Sand
Soil Drainage Capacity
Poorly Drained
Poorly Drained
Sun Exposure
Partial shade, Full Shade
Full Sun, Partial Sun
Pruning
Remove the old foliage
Prune to control growth, Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
Use a fertilizer ratio of 16-4-8
All-Purpose Liquid Fertilizer
Pests and Diseases
-
-
Plant Tolerance
Drought
Drought
Flowers
Showy
Insignificant
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
Bold
Fine
Foliage Sheen
Glossy
Glossy
Evergreen
✔
✘
✔
✘
Invasive
Sometimes
Sometimes
Self-Sowing
✔
✘
✔
✘
Attracts
-
Bumblebees, Flying insects
Allergy
-
-
Uses
Aesthetic Uses
Bog Garden, Showy Purposes
Informal Hedge, Woodland margins
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification
Plant Benefits
Medicinal Uses
Antiasthamatic, Antispasmodic, Expectorant, Poultice
-
Part of Plant Used
Flowers, Stem
-
Other Uses
Can be boiled and seasoned, pickled, Used as umbrellas by Japanese children, Used as walking sticks, Used like rhubarb
woven into the covering of tatami mats
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Bog Garden, Container, Feature Plant, Water Gardens
Bog Garden, Container, Mixed Border, Water Gardens
Botanical Name
PETASITES japonicus
JUNCUS effusus
Common Name
Giant Butterbur, Japanese Butterbur
Soft Rush
In Hindi
Giant Butterbur
Soft Rush
In German
Riesen Pestwurz
Soft Rush
In French
géant Butterbur
Soft Rush
In Spanish
gigante petasita
Soft Rush
In Greek
Giant Butterbur
Soft Rush
In Portuguese
Carrapicho gigante
Soft Rush
In Polish
Giant Lepiężnik
Soft Rush
In Latin
Giant Butterbur
Soft Rush
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Liliopsida
Order
Asterales
Poales
Family
Asteraceae
Juncaceae
Genus
Petasites
Juncus
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Commelinids, Monocots
Tribe
Senecioneae
-
Subfamily
Asteroideae
-
Number of Species
1400
1
27800
👆🏻