Life Span
Perennial
Perennial
Type
Tree
Tree
Origin
Europe, Eastern Europe, Southern Europe, Russia/Siberia, Iran, Central Asia, Southern Asia, Western Asia, India, Nepal, China
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
Black walnut
Juglans nigra
Number of Varieties
3010
0
40000
👆🏻
Habitat
Cold Regions, Hills, Hillside
bottomlands, Moist woods
USDA Hardiness Zone
4-84-9
0
99
👆🏻
AHS Heat Zone
7-1
9-3
Sunset Zone
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 18, 19, 20, 21
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 18, 19, 20, 21
Habit
Oval or Rounded
Oval or Rounded
Plant Size
Minimum Height
1,220.00 cm1,830.00 cm
0
3900
👆🏻
Minimum Width
1,220.00 cm1,830.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Yellow green
Yellow green
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Green, Brown
Green, Chocolate
Leaf Color in Spring
Green, Copper
Green
Leaf Color in Summer
Dark Green
Green, Dark Green
Leaf Color in Fall
Dark Green, Yellow green
Yellow, Dark Green, Yellow green, Gold
Leaf Color in Winter
-
-
Shape
Leaf Shape
Pinnate
Pinnate
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall
Spring, Summer, Fall
Growing Conditions
Sunlight
Full Sun
Full Sun
Growth Rate
Medium
Medium
Type of Soil
Clay, Loam, Sand
Clay, Loam, Sand
The pH of Soil
Acidic, Neutral
Acidic, Neutral
Soil Drainage
Well drained
Well drained
Bloom Time
Late Spring, Early Summer
Late Spring, Early Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought, Frost
-
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
Average Water Needs, Requires regular watering
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
Soil Type
Clay, Loam, Sand
Clay, Loam, Sand
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Full Sun
Full Sun
Pruning
In Early Autumn, Prune to stimulate growth, 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
fertilize in spring, Nitrogen
Apply NPK fertilizer at the ratio of 6-24-24
Pests and Diseases
Anthracnose, Armillaria mellea, Blight, Caterpillars, Crown gall, Crown rot, fungus, Powdery mildew, Red blotch
Red blotch
Plant Tolerance
Drought, Frost
-
Flowers
Insignificant
Insignificant
Flower Petal Number
-
-
Fruits
Showy Fruit
✔
✘
✔
✘
Edible Fruit
✔
✘
✔
✘
Fragrance
Fragrant Flower
✔
✘
✔
✘
Fragrant Fruit
✔
✘
✔
✘
Fragrant Leaf
✔
✘
✔
✘
Fragrant Bark/Stem
✔
✘
✔
✘
Showy Foliage
✔
✘
✔
✘
Showy Bark
✔
✘
✔
✘
Foliage Texture
Coarse
Coarse
Foliage Sheen
Glossy
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
-
Birds, Butterflies
Allergy
Severe allergen
Anaphylaxis, Toxic
Uses
Aesthetic Uses
-
-
Beauty Benefits
Good for skin and hair
Good for skin
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, Shadow Tree
Plant Benefits
Medicinal Uses
Anemia, Asthma, Cancer, Cough, Diarrhea, Menstrual Disorders, Urinary tract problems
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
Fruits, Seeds
Fruits
Other Uses
Economic Purpose, Used as a dye, Used as firewood, Used As Food, Used for its medicinal properties
Used As Food, Used as Ornamental plant
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Edible, Feature Plant, Shade Trees
Feature Plant, Shade Trees
Botanical Name
JUGLANS regia
JUGLANS nigra
Common Name
English Walnut
Black Walnut
In Hindi
अंग्रेजी अखरोट
काले अखरोट के पेड़
In German
Englisch Walnut
Schwarz Walnussbaum
In French
Anglais Noyer
Noir noyer
In Spanish
Inglés nuez
nogal negro
In Greek
Αγγλικά Καρυδιά
Μαύρη καρυδιά
In Portuguese
Inglês Walnut
nogueira preta
In Polish
orzech włoski
Czarny orzech drzewo
In Latin
Nucis anglicus
Niger walnut tree
Kingdom
Plantae
Plantae
Phylum
Tracheophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Fagales
Juglandales
Family
Juglandaceae
Juglandaceae
Genus
Juglans
Juglans
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Eudicots, Rosids
Tribe
Juglandeae
Juglandeae
Subfamily
Juglandoideae
Juglandinae
Number of Species
2116
1
27800
👆🏻