Life Span
Perennial
Perennial
Type
Perennial
Shrubs
Origin
Europe
China, Japan, Korea
Types
-
Petasites hybridus
Number of Varieties
610
0
40000
👆🏻
Habitat
dry rocky watercourses
Wet lands
USDA Hardiness Zone
3-95-9
0
99
👆🏻
AHS Heat Zone
8-1
9-4
Sunset Zone
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23
2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Upright/Erect
Clump-Forming
Plant Size
Minimum Height
71.10 cm60.00 cm
0
3900
👆🏻
Minimum Width
45.70 cm120.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Blue Violet, Lavender, Purple, White
Light Yellow, Ivory
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Green, Brown
-
Leaf Color in Spring
Green, Sea Green
Green, Purple, Burgundy
Leaf Color in Summer
Green, Sea Green
Green, Purple
Leaf Color in Fall
Green, Sea Green
Green, Purple
Leaf Color in Winter
Light Green
-
Shape
Leaf Shape
Lanceolate to elliptical
Round
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer
Spring, Summer, Fall
Growing Conditions
Sunlight
Full Sun, Partial Sun
Partial shade, Full Shade
Growth Rate
Medium
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 Summer
Early Spring, Late Winter
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Wet Site
Where to Plant?
Container, Ground
Ground
How to Plant?
Rhizome division
By dividing rhizomes, tubers
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs
Requires consistently moist soil
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 Sun
Partial shade, Full Shade
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer
All-Purpose Liquid Fertilizer
Pests and Diseases
Aphids, Bacterial leaf spot, Billbugs, Borers, Fungal leaf spots
Red blotch
Plant Tolerance
Drought
Drought
Flowers
✔
✘
✔
✘
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
Coarse
Bold
Foliage Sheen
Matte
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Butterflies
-
Allergy
Gastric disturbances, Skin irritation
-
Uses
Aesthetic Uses
Showy Purposes
Ground Cover
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification
Plant Benefits
Medicinal Uses
Juice of fresh root used for treatment of dropsy
Asthma, Chronic fatigue
Part of Plant Used
Root
Leaves, Seeds, Stem
Other Uses
Making Perfumes, Used as a flavouring in food
Used as Ornamental plant
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Cutflower, Feature Plant, Mixed Border
Bog Garden, Container, Water Gardens
Botanical Name
Iris germanica
PETASITES japonicus 'Purpureus'
Common Name
German Iris
Giant Butterbur, Japanese Butterbur, Purple Butterbur
In Hindi
German Iris
Purple Butterbur
In German
German Iris
Lila Pestwurz
In French
German Iris
Violet Butterbur
In Spanish
German Iris
púrpura petasita
In Greek
German Iris
Purple Butterbur
In Portuguese
German Iris
roxo Carrapicho
In Polish
German Iris
Purpurowy Lepiężnik
In Latin
German Iris
Purple Butterbur
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Liliopsida
Magnoliopsida
Order
Asparagales
Asterales
Family
Iridaceae
Asteraceae
Genus
Iris
Petasites
Clade
Angiosperms, Monocots
Angiosperms, Asterids, Eudicots
Tribe
Irideae
Senecioneae
Subfamily
Iridoideae
-
Number of Species
30015
1
27800
👆🏻