Life Span
Biennial
Perennial
Type
Tree
Perennial
Origin
Canary Islands
-
Types
Echium pininana
Iris hexagona, Iris fulva
Number of Varieties
10160
0
40000
👆🏻
Habitat
tropical environments
gardens, Wet ground
USDA Hardiness Zone
8-106-9
0
99
👆🏻
AHS Heat Zone
9 - 1
9-5
Sunset Zone
21,22
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
240.00 cm81.30 cm
0
3900
👆🏻
Minimum Width
30.00 cm61.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Light Blue, Blue Violet
Yellow, Blue, Gold, Blue Violet
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
Green
Leaf Color in Spring
Green, Gray Green
Green
Leaf Color in Summer
Green, Gray Green
Green
Leaf Color in Fall
Green, Gray Green
Green
Leaf Color in Winter
Light Green
Light Green
Shape
Leaf Shape
Lobed
Long linear and narrow
Thorns
✔
✘
✔
✘
Plant Season
-
Spring
Growing Conditions
Sunlight
Full 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
Early Summer, Summer
Early Spring, Spring, Late Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
-
Drought
Where to Plant?
Ground
Container, Ground, Pot
How to Plant?
Seedlings, Stem Cutting
Divison, From bulbs, From Rhizomes
Plant Maintenance
Medium
High
Watering Plants
Watering Requirements
Medium
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
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
Fine
Medium
Foliage Sheen
Matte
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
-
-
Allergy
-
-
Uses
Aesthetic Uses
Showy Purposes
Bouquets, Showy Purposes
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
-
Plant Benefits
Medicinal Uses
-
-
Part of Plant Used
Flowers, Leaves
Flowers, Leaves
Other Uses
Showy Purposes
Used as Ornamental plant
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Container, Feature Plant, Mixed Border, Wildflower
Bog Garden, Container, Cutflower, Mixed Border, Water Gardens
Botanical Name
ECHIUM pininana
IRIS 'Blue Duke'
Common Name
Giant Viper's Bugloss, Pine Echium, Tree Echium
Louisiana Iris
In Hindi
Tree Echium
Louisiana Iris
In German
Baum Aciam
Louisiana-Iris
In French
Arbre ACIAM
iris louisiane
In Spanish
árbol Aciam
iris luisiana
In Greek
δέντρο Aciam
Λουιζιάνα ίριδας
In Portuguese
árvore Aciam
louisiana iris
In Polish
drzewo Aciam
louisiana tęczówki
In Latin
lignum Aciam
louisiana iris
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Liliopsida
Order
Lamiales
Asparagales
Family
Boraginaceae
Iridaceae
Genus
Echium
Iris
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Monocots
Tribe
-
Irideae
Subfamily
-
Iridoideae
Number of Species
6080
1
27800
👆🏻