Life Span
Perennial
Perennial
Type
Perennial
Herbaceous Perennial
Origin
Southeastern United States, South-Central United States
China, Japan, Korea
Types
Apricot Queen, August Flame, Autumn Fire
-
Number of Varieties
815
0
40000
👆🏻
Habitat
Fields, marshes, Swamps
Dappled Shade, meadows, Shady Edge, Sunny Edge, Woodland Garden
USDA Hardiness Zone
6-115-9
0
99
👆🏻
AHS Heat Zone
-
9-4
Sunset Zone
H1, H2, 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
60.00 cm60.00 cm
0
3900
👆🏻
Minimum Width
60.00 cm120.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Orange, Dark Red, Orange Red, Copper, Chocolate, Black
Light Yellow, Ivory
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Brown
-
Leaf Color in Spring
Green
Green
Leaf Color in Summer
Green
Green
Leaf Color in Fall
Green
Green
Leaf Color in Winter
Light Green
-
Shape
Leaf Shape
Long Linear
Ovate
Thorns
✔
✘
✔
✘
Plant Season
Spring
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
Poorly Drained
Poorly Drained
Bloom Time
Spring, Late Spring
Early Spring, Late Winter
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Wet Site
Where to Plant?
Container, Ground, Pot
Container, Ground, Pot
How to Plant?
From Rhizomes, Seedlings
Divison, Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Do not let dry out between waterings, Needs Very high moisture
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
Poorly 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
organic fertlizers
Use a fertilizer ratio of 16-4-8
Pests and Diseases
Mosaic potyvirus
-
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
Medium
Bold
Foliage Sheen
Matte
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Butterflies, Hummingbirds
-
Allergy
Poisonous to grazing animals
-
Uses
Aesthetic Uses
Bog Garden, Water gardening
Bog Garden, Showy Purposes
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification
Plant Benefits
Medicinal Uses
Sedative
Antiasthamatic, Antispasmodic, Expectorant, Poultice
Part of Plant Used
Flowers
Flowers, Stem
Other Uses
Oil is used for aromatherapy
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
Bog Garden, Water Gardens, Wildflower
Bog Garden, Container, Feature Plant, Water Gardens
Botanical Name
IRIS fulva
PETASITES japonicus
Common Name
Copper iris
Giant Butterbur, Japanese Butterbur
In Hindi
Copper Iris
Giant Butterbur
In German
Copper Iris
Riesen Pestwurz
In French
Copper Iris
géant Butterbur
In Spanish
Cobre Iris
gigante petasita
In Greek
χαλκός Iris
Giant Butterbur
In Portuguese
Copper Iris
Carrapicho gigante
In Polish
Miedź Iris
Giant Lepiężnik
In Latin
Iris Copper
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
2501
1
27800
👆🏻