Life Span
Perennial
Perennial
Type
Tree
Perennial
Origin
Central Asia, India, Nepal
-
Types
White oak, Bluff oak, Muller oak
Iris hexagona, Iris fulva
Number of Varieties
600160
0
40000
👆🏻
Habitat
Clay soil areas, Dry areas, Sandy areas
gardens, Wet ground
USDA Hardiness Zone
6-96-9
0
99
👆🏻
AHS Heat Zone
7-5
9-5
Sunset Zone
H1, 7, 8, 9, 14, 15, 16, 17, 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
Oval or Rounded
Clump-Forming
Plant Size
Minimum Height
2,286.00 cm81.30 cm
0
3900
👆🏻
Minimum Width
1,219.20 cm61.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Red, Yellow green
Yellow, Blue, Gold, Blue Violet
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Sandy Brown, Sienna
Green
Leaf Color in Spring
Green, Light Green, Gray
Green
Leaf Color in Summer
Green, Gray
Green
Leaf Color in Fall
Green, Dark Green, Gray
Green
Leaf Color in Winter
Dark Green, Gray
Light Green
Shape
Leaf Shape
broad, flat
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
Medium
Medium
Type of Soil
Loam
Clay, Loam
The pH of Soil
Acidic
Acidic, Neutral
Soil Drainage
Average
Average
Bloom Time
Spring
Early Spring, Spring, Late Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Drought
Where to Plant?
Ground
Container, Ground, Pot
How to Plant?
Seedlings, Transplanting
Divison, From bulbs, From Rhizomes
Plant Maintenance
Medium
High
Watering Plants
Watering Requirements
Average Water Needs
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
Acidic, Neutral
Soil Type
Loam
Clay, Loam
Soil Drainage Capacity
Average
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
Fruits
Showy Fruit
✔
✘
✔
✘
Edible Fruit
✔
✘
✔
✘
Fragrance
Fragrant Flower
✔
✘
✔
✘
Fragrant Fruit
✔
✘
✔
✘
Fragrant Leaf
✔
✘
✔
✘
Fragrant Bark/Stem
✔
✘
✔
✘
Showy Foliage
✔
✘
✔
✘
Showy Bark
✔
✘
✔
✘
Foliage Texture
Medium
Medium
Foliage Sheen
Glossy
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Birds
-
Allergy
Pollen
-
Uses
Aesthetic Uses
Showy Purposes
Bouquets, Showy Purposes
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Nesting sites for birds, Shadow Tree, Shelter for wildlife, Wildlife
-
Plant Benefits
Medicinal Uses
Chronic fatigue, Cramps, Diarrhea, Dysentry, gallstones, Haemorrhages, Menstrual Cramps
-
Part of Plant Used
Leaves, Seeds, Wood
Flowers, Leaves
Other Uses
Used as firewood, used for making charcoal
Used as Ornamental plant
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Shade Trees
Bog Garden, Container, Cutflower, Mixed Border, Water Gardens
Botanical Name
QUERCUS leucotrichophora
IRIS 'Blue Duke'
Common Name
Banj Oak, Blackjack Oak, Himalayan Oak
Louisiana Iris
In Hindi
Blackjack Oak Tree
Louisiana Iris
In German
Blackjack Oak Tree
Louisiana-Iris
In French
Blackjack Oak Tree
iris louisiane
In Spanish
Blackjack Oak Tree
iris luisiana
In Greek
Blackjack Oak Tree
Λουιζιάνα ίριδας
In Portuguese
Blackjack Carvalho
louisiana iris
In Polish
Blackjack Oak Tree
louisiana tęczówki
In Latin
Blackjack quercum ligno
louisiana iris
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Liliopsida
Order
Fagales
Asparagales
Family
Fagaceae
Iridaceae
Genus
Quercus
Iris
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Monocots
Tribe
-
Irideae
Subfamily
-
Iridoideae
Number of Species
6080
1
27800
👆🏻