Life Span
Perennial
Perennial
Type
Tender Perennial
Herbaceous Perennial
Origin
Brazil
China, Japan, Korea
Types
Neomarica gracilis
-
Number of Varieties
315
0
40000
👆🏻
Habitat
subtropical regions, Tropical regions
Dappled Shade, meadows, Shady Edge, Sunny Edge, Woodland Garden
USDA Hardiness Zone
7-145-9
0
99
👆🏻
AHS Heat Zone
12 - 8
9-4
Sunset Zone
H1, H2, 16, 17, 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
Thicket/Colonizing
Clump-Forming
Plant Size
Minimum Height
90.00 cm60.00 cm
0
3900
👆🏻
Minimum Width
120.00 cm120.00 cm
0
6350
👆🏻
Plant Color
Flower Color
White, Blue, Burgundy, Lavender, Blue Violet
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
Sword-like
Ovate
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall
Growing Conditions
Sunlight
Partial Sun, Partial shade
Partial shade, Full Shade
Growth Rate
Fast
Fast
Type of Soil
Loam, Sand
Clay, Loam, Sand
The pH of Soil
Acidic, Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Drainage
Average
Poorly Drained
Bloom Time
Early Spring, Spring, Late Summer, Early Fall, Fall, Late Fall, Early Winter, Winter, Late Winter, Indeterminate
Early Spring, Late Winter
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Wet Site
Where to Plant?
Container, Ground, Pot
Container, Ground, Pot
How to Plant?
Divison, Seedlings
Divison, Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Requires regular watering
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
Loam, Sand
Clay, Loam, Sand
Soil Drainage Capacity
Average
Poorly Drained
Sun Exposure
Partial Sun, Partial shade
Partial shade, Full Shade
Pruning
Cut out old flower stalks, Cut out old leaves
Remove the old foliage
Fertilizers
Balanced garden plant fertilizer
Use a fertilizer ratio of 16-4-8
Pests and Diseases
Bacterial Diseases, Fungal Diseases, Rodent, Viruses
-
Plant Tolerance
Drought
Drought
Flowers
Showy
Showy
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
Sometimes
Sometimes
Self-Sowing
✔
✘
✔
✘
Attracts
Butterflies, Hummingbirds
-
Allergy
-
-
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
Container, Feature Plant, Groundcover, Tropical
Bog Garden, Container, Feature Plant, Water Gardens
Botanical Name
NEOMARICA caerulea
PETASITES japonicus
Common Name
Giant Apostle's Iris, Walking Iris
Giant Butterbur, Japanese Butterbur
In Hindi
Walking Iris
Giant Butterbur
In German
Gehen Iris
Riesen Pestwurz
In French
Iris Marcher
géant Butterbur
In Spanish
caminar Iris
gigante petasita
In Greek
περπάτημα Iris
Giant Butterbur
In Portuguese
Andar Iris
Carrapicho gigante
In Polish
Walking Iris
Giant Lepiężnik
In Latin
O Thaumantias
Giant Butterbur
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Liliopsida
Magnoliopsida
Order
Liliales
Asterales
Family
Iridaceae
Asteraceae
Genus
Neomarica
Petasites
Clade
Angiosperms, Monocots
Angiosperms, Asterids, Eudicots
Tribe
Mariceae
Senecioneae
Subfamily
Iridoideae
Asteroideae
Number of Species
281
1
27800
👆🏻