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
Eastern Europe, Russia, Siberia
Types
Black walnut
-
Number of Varieties
3010
0
40000
👆🏻
Habitat
Cold Regions, Hills, Hillside
Grassland, Pastures, Swamps
USDA Hardiness Zone
4-83-8
0
99
👆🏻
AHS Heat Zone
7-1
9-1
Sunset Zone
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 18, 19, 20, 21
A2, A3, 1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23
Habit
Oval or Rounded
Clump-Forming
Plant Size
Minimum Height
1,220.00 cm90.00 cm
0
3900
👆🏻
Minimum Width
1,220.00 cm60.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Yellow green
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 Narrow
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall
Summer
Growing Conditions
Sunlight
Full Sun
Full Sun, Partial Sun, Partial shade
Growth Rate
Medium
Fast
Type of Soil
Clay, Loam, Sand
Clay, Loam, Sand
The pH of Soil
Acidic, Neutral
Acidic, Neutral, Alkaline
Soil Drainage
Well drained
Average
Bloom Time
Late Spring, Early Summer
Early Summer, Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought, Frost
Drought
Where to Plant?
Ground
Ground
How to Plant?
Budding, Seedlings
Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Requires watering in the growing season, Water Deeply, Water when top layer of soil becomes dry
Keep the ground moist but not water-logged, Requires regular watering, 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
Average
Sun Exposure
Full Sun
Full Sun, Partial Sun, Partial shade
Pruning
In Early Autumn, Prune to stimulate growth, Remove dead leaves
Remove damaged leaves, 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
-
Butterflies
Allergy
Severe allergen
-
Uses
Aesthetic Uses
-
Beautification, Bouquets, 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
-
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
Decoration Purposes, Showy Purposes, Used as Ornamental plant
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Edible, Feature Plant, Shade Trees
Cutflower, Feature Plant, Foundation, Mixed Border
Botanical Name
JUGLANS regia
IRIS sibirica 'Caesar's Brother'
Common Name
English Walnut
Siberian Iris
In Hindi
अंग्रेजी अखरोट
Caesar's Brother Siberian Iris
In German
Englisch Walnut
Caesars Bruder Sibirische Iris
In French
Anglais Noyer
Frère Iris de Sibérie de César
In Spanish
Inglés nuez
De César Hermano Siberian Iris
In Greek
Αγγλικά Καρυδιά
Καίσαρα Αδελφός Σιβηρίας Iris
In Portuguese
Inglês Walnut
Irmão de César Siberian Iris
In Polish
orzech włoski
Cezara Brat syberyjski Iris
In Latin
Nucis anglicus
Caesaris Frater Siberian Iris
Kingdom
Plantae
Plantae
Phylum
Tracheophyta
-
Class
Magnoliopsida
Liliopsida
Order
Fagales
Asparagales
Family
Juglandaceae
Iridaceae
Genus
Juglans
Abelia
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Monocots
Tribe
Juglandeae
-
Subfamily
Juglandoideae
Iridoideae
Number of Species
2135
1
27800
👆🏻