Life Span
Perennial
Perennial
Type
Shrub
Perennial
Origin
Madagascar
-
Types
Euphorbia tithymaloides tithymaloides, Euphorbia tithymaloides angustifolia
Iris hexagona, Iris fulva
Number of Varieties
8160
0
40000
👆🏻
Habitat
subtropical regions, Tropical regions
gardens, Wet ground
USDA Hardiness Zone
9-136-9
0
99
👆🏻
AHS Heat Zone
-
9-5
Sunset Zone
H2, 13, 23, 24
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
Habit
Upright/Erect
Clump-Forming
Plant Size
Minimum Height
90.00 cm81.30 cm
0
3900
👆🏻
Minimum Width
30.00 cm61.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Purple, Orange, Pink, Magenta
Yellow, Blue, Gold, Blue Violet
Flower Color Modifier
-
Bicolor
Fruit Color
-
Green
Leaf Color in Spring
Green, Gray Green, Burgundy
Green
Leaf Color in Summer
Green, Gray Green
Green
Leaf Color in Fall
Green, Gray Green
Green
Leaf Color in Winter
Green, Gray Green
Light Green
Shape
Leaf Shape
Ovate
Long linear and narrow
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun
Growth Rate
Fast
Medium
Type of Soil
Loam, Sand
Clay, Loam
The pH of Soil
Neutral, Alkaline
Acidic, Neutral
Soil Drainage
Well drained
Average
Bloom Time
Late Spring, Early Summer, Summer, Indeterminate
Early Spring, Spring, Late Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Drought
Where to Plant?
Container, Ground, Pot
Container, Ground, Pot
How to Plant?
Seedlings, Softwood cuttings
Divison, From bulbs, From Rhizomes
Plant Maintenance
Medium
High
Watering Plants
Watering Requirements
Average Water Needs, Do Not over Water
Do not let dry out between waterings, Requires a lot of watering
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Ample Water
In Winter
Average Water
Regular watering required
Soil
Soil pH
Neutral, Alkaline
Acidic, Neutral
Soil Type
Loam, Sand
Clay, Loam
Soil Drainage Capacity
Well drained
Average
Sun Exposure
Full Sun, Partial Sun
Full Sun, Partial Sun
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
Remove damaged leaves, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer
All-Purpose Liquid Fertilizer
Pests and Diseases
Red blotch
Caterpillars, Rust
Plant Tolerance
Drought
Drought
Flowers
✔
✘
✔
✘
Flower Petal Number
Single
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
Matte
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Hummingbirds
-
Allergy
Carcinogenic, Diarrhea, Skin irritation, Toxic
-
Uses
Aesthetic Uses
Cottage Garden, Showy Purposes
Bouquets, Showy Purposes
Beauty Benefits
Skin Problems
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
-
Plant Benefits
Medicinal Uses
Asthma, Emetic, Inflammation, Intestinal worms
-
Part of Plant Used
Leaves, Root
Flowers, Leaves
Other Uses
Tea-like beverage can be brewed, Used as Ornamental plant, Used for its medicinal properties
Used as Ornamental plant
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Container, Houseplant, Mixed Border, Rock Garden, Wall, Tropical
Bog Garden, Container, Cutflower, Mixed Border, Water Gardens
Botanical Name
Euphorbia tithymaloides
IRIS 'Blue Duke'
Common Name
Devil's Backbone
Louisiana Iris
In Hindi
Devil's Backbone
Louisiana Iris
In German
Devil's Backbone
Louisiana-Iris
In French
Backbone du Diable
iris louisiane
In Spanish
El espinazo del diablo
iris luisiana
In Greek
Devil's Backbone
Λουιζιάνα ίριδας
In Portuguese
Espinha do Diabo
louisiana iris
In Polish
Kręgosłup diabła
louisiana tęczówki
In Latin
Narum diaboli
louisiana iris
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Liliopsida
Order
Malpighiales
Asparagales
Family
Crassulaceae
Iridaceae
Genus
Euphorbia
Iris
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Monocots
Tribe
Euphorbieae
Irideae
Subfamily
Euphorbioideae
Iridoideae
Number of Species
200080
1
27800
👆🏻