Life Span
Perennial
Perennial
Type
Tree
Perennial
Origin
Europe, Eastern Europe, Southern Europe, Russia/Siberia, Iran, Central Asia, Southern Asia, Western Asia, India, Nepal, China
World, Pandemic, North America, Europe, Africa, Asia
Types
Black walnut
-
Number of Varieties
3030
0
40000
👆🏻
Habitat
Cold Regions, Hills, Hillside
Bluffs, Sandy stream banks, Wooded slopes
USDA Hardiness Zone
4-84-10
0
99
👆🏻
AHS Heat Zone
7-1
10-1
Sunset Zone
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 18, 19, 20, 21
2b, 3a, 3b, 4, 5, 6
Habit
Oval or Rounded
Clump-Forming
Plant Size
Minimum Height
1,220.00 cm10.20 cm
0
3900
👆🏻
Minimum Width
1,220.00 cm15.20 cm
0
6350
👆🏻
Plant Color
Flower Color
Yellow green
White, Purple, Lavender, Blue Violet
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Green, Brown
-
Leaf Color in Spring
Green, Copper
Green
Leaf Color in Summer
Dark Green
Green
Leaf Color in Fall
Dark Green, Yellow green
Green
Leaf Color in Winter
-
Light Green
Shape
Leaf Shape
Pinnate
Long Linear
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall
Spring, Summer
Growing Conditions
Sunlight
Full Sun
Full Sun, Partial Sun
Growth Rate
Medium
Medium
Type of Soil
Clay, Loam, Sand
Clay, Loam, Sand
The pH of Soil
Acidic, Neutral
Acidic, Neutral, Alkaline
Soil Drainage
Well drained
Well drained
Bloom Time
Late Spring, Early Summer
Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought, Frost
Drought
Where to Plant?
Ground
Container, Ground
How to Plant?
Budding, Seedlings
Seedlings, Stem Planting, Transplanting
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Requires watering in the growing season, Water Deeply, Water when top layer of soil becomes dry
Medium, Requires watering in the growing season
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Acidic, Neutral
Acidic, Neutral, Alkaline
Soil Type
Clay, Loam, Sand
Clay, Loam, Sand
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Full Sun
Full Sun, Partial Sun
Pruning
In Early Autumn, Prune to stimulate growth, Remove dead leaves
Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
fertilize in spring, Nitrogen
All-Purpose Liquid Fertilizer
Pests and Diseases
Anthracnose, Armillaria mellea, Blight, Caterpillars, Crown gall, Crown rot, fungus, Powdery mildew, Red blotch
Red blotch
Plant Tolerance
Drought, Frost
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
Coarse
Medium
Foliage Sheen
Glossy
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
-
Bees, Insects
Allergy
Severe allergen
Skin irritation
Uses
Aesthetic Uses
-
Beautification, Ground Cover, Landscape Designing, Showy Purposes
Beauty Benefits
Good for skin and hair
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Absorbs greenhouse gases, Absorbs huge amounts of CO2, Air purification, Amazing growth rate, Erosion control, Food for birds, Food for insects, Forms dense stands, Nesting sites for birds, Prevent Soil Erosion, Shadow Tree, Shelter for wildlife, Windbreak
Air purification
Plant Benefits
Medicinal Uses
Anemia, Asthma, Cancer, Cough, Diarrhea, Menstrual Disorders, Urinary tract problems
Liver problems, Skin Disorders, Treatment of ulcers
Part of Plant Used
Fruits, Seeds
Flowers, Leaves
Other Uses
Economic Purpose, Used as a dye, Used as firewood, Used As Food, Used for its medicinal properties
Employed in herbal medicine, Used as a spice
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Edible, Feature Plant, Shade Trees
Bedding Plant, Cutflower, Mixed Border, Rock Garden, Wall
Botanical Name
JUGLANS regia
IRIS cristata
Common Name
English Walnut
Crested Iris
In Hindi
अंग्रेजी अखरोट
कलगी आइरिस
In German
Englisch Walnut
Crested Iris
In French
Anglais Noyer
Crested Iris
In Spanish
Inglés nuez
Crested Iris
In Greek
Αγγλικά Καρυδιά
Crested Iris
In Portuguese
Inglês Walnut
Crested Iris
In Polish
orzech włoski
Czubaty Iris
In Latin
Nucis anglicus
iubatum Iris
Kingdom
Plantae
Plantae
Phylum
Tracheophyta
-
Class
Magnoliopsida
Liliopsida
Order
Fagales
Asparagales
Family
Juglandaceae
Iridaceae
Genus
Juglans
Iris
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Monocots
Tribe
Juglandeae
Irideae
Subfamily
Juglandoideae
Iridoideae
Number of Species
21210
1
27800
👆🏻