Life Span
Perennial
Perennial
Type
Perennial
Tree
Origin
-
United States, Northeastern United States, Mid-Atlantic United States, Southeastern United States, North-Central United States, Central United States, South-Central United States, Texas, Canada
Types
Iris hexagona, Iris fulva
Juglans nigra
Number of Varieties
16010
0
40000
👆🏻
Habitat
gardens, Wet ground
bottomlands, Moist woods
USDA Hardiness Zone
6-94-9
0
99
👆🏻
AHS Heat Zone
9-5
9-3
Sunset Zone
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
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 18, 19, 20, 21
Habit
Clump-Forming
Oval or Rounded
Plant Size
Minimum Height
81.30 cm1,830.00 cm
0
3900
👆🏻
Minimum Width
61.00 cm1,830.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Yellow, Blue, Gold, Blue Violet
Yellow green
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Green
Green, Chocolate
Leaf Color in Spring
Green
Green
Leaf Color in Summer
Green
Green, Dark Green
Leaf Color in Fall
Green
Yellow, Dark Green, Yellow green, Gold
Leaf Color in Winter
Light Green
-
Shape
Leaf Shape
Long linear and narrow
Pinnate
Thorns
✔
✘
✔
✘
Plant Season
Spring
Spring, Summer, Fall
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun
Growth Rate
Medium
Medium
Type of Soil
Clay, Loam
Clay, Loam, Sand
The pH of Soil
Acidic, Neutral
Acidic, Neutral
Soil Drainage
Average
Well drained
Bloom Time
Early Spring, Spring, Late Spring
Late Spring, Early Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
-
Where to Plant?
Container, Ground, Pot
Ground
How to Plant?
Divison, From bulbs, From Rhizomes
Seedlings
Plant Maintenance
High
Medium
Watering Plants
Watering Requirements
Do not let dry out between waterings, Requires a lot of watering
Average Water Needs, Requires regular watering
In Summer
Lots of watering
Lots of watering
In Spring
Ample Water
Moderate
In Winter
Regular watering required
Average Water
Soil
Soil pH
Acidic, Neutral
Acidic, Neutral
Soil Type
Clay, Loam
Clay, Loam, Sand
Soil Drainage Capacity
Average
Well drained
Sun Exposure
Full Sun, Partial Sun
Full Sun
Pruning
Remove damaged leaves, Remove dead leaves
Prune in early spring, Prune when plant is dormant, Remove branches, Remove damaged leaves, Remove dead branches, Remove dead leaves, Remove dead or diseased plant parts
Fertilizers
All-Purpose Liquid Fertilizer
Apply NPK fertilizer at the ratio of 6-24-24
Pests and Diseases
Caterpillars, Rust
Red blotch
Plant Tolerance
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
Coarse
Foliage Sheen
Matte
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
-
Birds, Butterflies
Allergy
-
Anaphylaxis, Toxic
Uses
Aesthetic Uses
Bouquets, Showy Purposes
-
Beauty Benefits
-
Good for skin
Edible Uses
✔
✘
✔
✘
Environmental Uses
-
Air purification, Shadow Tree
Plant Benefits
Medicinal Uses
-
Cancer, Coronary diseases, Cures constipation, Diarrhea, Diphtheria, High cholestrol, Immunity, Intestinal worms, Leukemia, Skin wounds, Sore throat, Syphilis, Use as a gargle
Part of Plant Used
Flowers, Leaves
Fruits
Other Uses
Used as Ornamental plant
Used As Food, Used as Ornamental plant
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Bog Garden, Container, Cutflower, Mixed Border, Water Gardens
Feature Plant, Shade Trees
Botanical Name
IRIS 'Blue Duke'
JUGLANS nigra
Common Name
Louisiana Iris
Black Walnut
In Hindi
Louisiana Iris
काले अखरोट के पेड़
In German
Louisiana-Iris
Schwarz Walnussbaum
In French
iris louisiane
Noir noyer
In Spanish
iris luisiana
nogal negro
In Greek
Λουιζιάνα ίριδας
Μαύρη καρυδιά
In Portuguese
louisiana iris
nogueira preta
In Polish
louisiana tęczówki
Czarny orzech drzewo
In Latin
louisiana iris
Niger walnut tree
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Liliopsida
Magnoliopsida
Order
Asparagales
Juglandales
Family
Iridaceae
Juglandaceae
Genus
Iris
Juglans
Clade
Angiosperms, Monocots
Angiosperms, Eudicots, Rosids
Tribe
Irideae
Juglandeae
Subfamily
Iridoideae
Juglandinae
Number of Species
8016
1
27800
👆🏻