Life Span
Perennial
Perennial
Type
Perennial
Herbaceous Perennial
Origin
Eastern Europe
China, Japan, Korea
Types
Iris
-
Number of Varieties
2515
0
40000
👆🏻
Habitat
Terrestrial
Dappled Shade, meadows, Shady Edge, Sunny Edge, Woodland Garden
USDA Hardiness Zone
4-95-9
0
99
👆🏻
AHS Heat Zone
9-1
9-4
Sunset Zone
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
2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Clump-Forming
Clump-Forming
Plant Size
Minimum Height
10.20 cm60.00 cm
0
3900
👆🏻
Minimum Width
15.20 cm120.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Yellow, Lavender, Blue Violet
Light Yellow, Ivory
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
-
Leaf Color in Spring
Green, Sea Green
Green
Leaf Color in Summer
Green, Sea Green
Green
Leaf Color in Fall
Green, Sea Green
Green
Leaf Color in Winter
Light Green
-
Shape
Leaf Shape
Lanceolate
Ovate
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
Loam, Sand
Clay, Loam, Sand
The pH of Soil
Neutral
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?
Ground
Container, Ground, Pot
How to Plant?
By dividing rhizomes, tubers, Seedlings
Divison, Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs, Do Not over Water
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
Neutral
Acidic, Neutral, Alkaline
Soil Type
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 the old foliage
Fertilizers
All-Purpose Liquid Fertilizer
Use a fertilizer ratio of 16-4-8
Pests and Diseases
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
Hummingbirds
-
Allergy
Skin irritation
-
Uses
Aesthetic Uses
Showy Purposes
Bog Garden, Showy Purposes
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
Used as Ornamental plant
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
Alpine, Edging, Mixed Border, Rock Garden, Wall
Bog Garden, Container, Feature Plant, Water Gardens
Botanical Name
IRIS pumila
PETASITES japonicus
Common Name
Dwarf Iris
Giant Butterbur, Japanese Butterbur
In Hindi
Dwarf Iris
Giant Butterbur
In German
Zwergiris
Riesen Pestwurz
In French
Dwarf Iris
géant Butterbur
In Spanish
Enano Iris
gigante petasita
In Greek
νάνος Ίρις
Giant Butterbur
In Portuguese
Dwarf Iris
Carrapicho gigante
In Polish
Dwarf Iris
Giant Lepiężnik
In Latin
Iris Dwarf
Giant Butterbur
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Liliopsida
Magnoliopsida
Order
Liliales
Asterales
Family
Iridaceae
Asteraceae
Genus
Iris
Petasites
Clade
Angiosperms, Monocots
Angiosperms, Asterids, Eudicots
Tribe
Irideae
Senecioneae
Subfamily
Iridoideae
Asteroideae
Number of Species
3001
1
27800
👆🏻