Life Span
Biennial
Perennial
Type
Palm or Cycad
Perennial
Origin
South Africa
-
Types
Alexandria cycad, Encephalartos caffer, Encephalartos concinnus
Iris hexagona, Iris fulva
Number of Varieties
66160
0
40000
👆🏻
Habitat
Riverbanks, Rocky areas, Scrubs
gardens, Wet ground
USDA Hardiness Zone
9-126-9
0
99
👆🏻
AHS Heat Zone
12-8
9-5
Sunset Zone
H1, H2, 18, 19, 20, 21, 22, 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
Clump-Forming
Clump-Forming
Plant Size
Minimum Height
290.00 cm81.30 cm
0
3900
👆🏻
Minimum Width
240.00 cm61.00 cm
0
6350
👆🏻
Plant Color
Flower Color
-
Yellow, Blue, Gold, Blue Violet
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
Green
Leaf Color in Spring
Green, Dark Green
Green
Leaf Color in Summer
Dark Green
Green
Leaf Color in Fall
Dark Green
Green
Leaf Color in Winter
Dark Green
Light Green
Shape
Leaf Shape
Pinnate
Long linear and narrow
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring
Growing Conditions
Sunlight
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun
Growth Rate
Slow
Medium
Type of Soil
Loam, Sand
Clay, Loam
The pH of Soil
Acidic, Neutral, Alkaline
Acidic, Neutral
Soil Drainage
Well drained
Average
Bloom Time
Early Summer, Summer
Early Spring, Spring, Late Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Drought
Where to Plant?
Container, Ground, Pot
Container, Ground, Pot
How to Plant?
Seedlings
Divison, From bulbs, From Rhizomes
Plant Maintenance
Medium
High
Watering Plants
Watering Requirements
Needs very little 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
Acidic, Neutral, Alkaline
Acidic, Neutral
Soil Type
Loam, Sand
Clay, Loam
Soil Drainage Capacity
Well drained
Average
Sun Exposure
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun
Pruning
Remove crossing or rubbing branches, Remove damaged leaves, Remove dead branches, Remove dead leaves, Remove dead or diseased plant parts
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
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
Glossy
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Birds
-
Allergy
-
-
Uses
Aesthetic Uses
Showy Purposes
Bouquets, Showy Purposes
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Shadow Tree, Windbreak
-
Plant Benefits
Medicinal Uses
-
-
Part of Plant Used
Leaves, Seeds, Stem
Flowers, Leaves
Other Uses
Used As Food, Used as Ornamental plant, Used for its medicinal properties
Used as Ornamental plant
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Foundation, Mixed Border, Tropical
Bog Garden, Container, Cutflower, Mixed Border, Water Gardens
Botanical Name
ENCEPHALARTOS altensteinii
IRIS 'Blue Duke'
Common Name
Bread Tree, Prickly Cycad
Louisiana Iris
In Hindi
Bread Tree
Louisiana Iris
In German
Brotbaum
Louisiana-Iris
In French
Bread Arbre
iris louisiane
In Spanish
Árbol del pan
iris luisiana
In Greek
ψωμί Δέντρο
Λουιζιάνα ίριδας
In Portuguese
Árvore de pão
louisiana iris
In Polish
chleb Drzewo
louisiana tęczówki
In Latin
panis ligno
louisiana iris
Kingdom
Plantae
Plantae
Phylum
Tracheophyta
Magnoliophyta
Class
Equisetopsida
Liliopsida
Order
Cycadales
Asparagales
Family
Cycadaceae
Iridaceae
Genus
Encephalartos
Iris
Clade
-
Angiosperms, Monocots
Tribe
-
Irideae
Subfamily
-
Iridoideae
Number of Species
6680
1
27800
👆🏻