Life Span
Perennial
Perennial
Type
Herbs
Perennial
Origin
China, Japan, Korea
Eastern Europe, Russia, Siberia
Types
-
-
Number of Varieties
510
0
40000
👆🏻
Habitat
gardens, Grassland, Homesteads, Open areas
Grassland, Pastures, Swamps
USDA Hardiness Zone
5-93-8
0
99
👆🏻
AHS Heat Zone
9-4
9-1
Sunset Zone
2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
A2, A3, 1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23
Habit
Clump-Forming
Clump-Forming
Plant Size
Minimum Height
60.00 cm90.00 cm
0
3900
👆🏻
Minimum Width
120.00 cm60.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Light Yellow, Ivory
Blue Violet
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
-
Leaf Color in Spring
Green, Light Green, Light Yellow, Ivory
Green
Leaf Color in Summer
Green, Light Yellow, Ivory
Green
Leaf Color in Fall
Green, Light Yellow, Ivory
Green
Leaf Color in Winter
-
Light Green
Shape
Leaf Shape
Round
Long Narrow
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall
Summer
Growing Conditions
Sunlight
Partial shade, Full Shade
Full Sun, Partial Sun, Partial 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
Poorly Drained
Average
Bloom Time
Early Spring, Late Winter
Early Summer, Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Wet Site
Drought
Where to Plant?
Ground, Pot
Ground
How to Plant?
Divison, Stem Planting
Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Allow soil to be completely dry in between waterings, Keep ground moist, Needs 2-3 times watering per week, Over-head watering, Requires watering in the growing season
Keep the ground moist but not water-logged, Requires regular watering, Requires watering in the growing season
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
Poorly Drained
Average
Sun Exposure
Partial shade, Full Shade
Full Sun, Partial Sun, Partial shade
Pruning
Remove deadheads, Requires very little pruning, Shape and thin as needed
Remove damaged leaves, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer
All-Purpose Liquid Fertilizer
Pests and Diseases
Pests and diseases free, Red blotch
Red blotch
Plant Tolerance
Wet Site
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
Bold
Medium
Foliage Sheen
Glossy
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
-
Butterflies
Allergy
-
-
Uses
Aesthetic Uses
Showy Purposes
Beautification, Bouquets, Landscape Designing, Showy Purposes
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification
Plant Benefits
Medicinal Uses
-
-
Part of Plant Used
Whole plant
Flowers, Leaves
Other Uses
-
Decoration Purposes, Showy Purposes, Used as Ornamental plant
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Bog Garden, Container, Feature Plant, Water Gardens
Cutflower, Feature Plant, Foundation, Mixed Border
Botanical Name
PETASITES japonicus 'Variegatus'
IRIS sibirica 'Caesar's Brother'
Common Name
Giant Butterbur, Japanese Butterbur, Variegated Butterbur
Siberian Iris
In Hindi
variegated butterbur
Caesar's Brother Siberian Iris
In German
bunte Pestwurz
Caesars Bruder Sibirische Iris
In French
pétasite panachée
Frère Iris de Sibérie de César
In Spanish
butterbur abigarrado
De César Hermano Siberian Iris
In Greek
διαφοροποιημένα butterbur
Καίσαρα Αδελφός Σιβηρίας Iris
In Portuguese
butterbur variegada
Irmão de César Siberian Iris
In Polish
barwny Lepiężnik
Cezara Brat syberyjski Iris
In Latin
varius butterbur
Caesaris Frater Siberian Iris
Kingdom
Plantae
Plantae
Phylum
-
-
Class
-
Liliopsida
Order
Asterales
Asparagales
Family
Asteraceae
Iridaceae
Genus
Petasites
Abelia
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Monocots
Tribe
Senecioneae
-
Subfamily
-
Iridoideae
Number of Species
1735
1
27800
👆🏻