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
  
Europe, Southern Asia, Southeastern Asia, India, China
  
Types
Black walnut
  
cinnamomeum, zeylanicum, delavayi
  
Number of Varieties
Not Available
  
Habitat
Cold Regions, Hills, Hillside
  
Dappled Shade, Woodlands
  
USDA Hardiness Zone
4-8
  
7-9
  
AHS Heat Zone
7-1
  
9-6
  
Sunset Zone
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 18, 19, 20, 21
  
H1, 8, 9, 14, 15, 16, 17, 23, 24
  
Habit
Oval or Rounded
  
Upright/Erect
  
Plant Size
  
  
Minimum Height
1,220.00 cm
  
33
Minimum Width
1,220.00 cm
  
14
Plant Color
  
  
Flower Color
Yellow green
  
White, Red, Pink
  
Flower Color Modifier
Bicolor
  
Bicolor
  
Fruit Color
Green, Brown
  
Brown, Chocolate
  
Leaf Color in Spring
Green, Copper
  
Green, Dark Green
  
Leaf Color in Summer
Dark Green
  
Dark Green
  
Leaf Color in Fall
Dark Green, Yellow green
  
Dark Green
  
Leaf Color in Winter
Not Available
  
Dark Green
  
Shape
  
  
Leaf Shape
Pinnate
  
Ovate
  
Thorns
No
  
No
  
Plant Season
Spring, Summer, Fall
  
Spring, Summer, Fall, Winter
  
Growing Conditions
  
  
Sunlight
Full Sun
  
Full Sun, Partial Sun
  
Growth Rate
Medium
  
Medium
  
Type of Soil
Clay, Loam, Sand
  
Loam, Sand
  
The pH of Soil
Acidic, Neutral
  
Acidic
  
Soil Drainage
Well drained
  
Average
  
Bloom Time
Late Spring, Early Summer
  
Early Spring, Spring, Late Spring
  
Repeat Bloomer
No
  
No
  
Tolerances
Drought, Frost
  
Not Available
  
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
  
Reduce water once established
  
In Summer
Lots of watering
  
Lots of watering
  
In Spring
Moderate
  
Moderate
  
In Winter
Average Water
  
Average Water
  
Soil
  
  
Soil pH
Acidic, Neutral
  
Acidic
  
Soil Type
Clay, Loam, Sand
  
Loam, Sand
  
Soil Drainage Capacity
Well drained
  
Average
  
Sun Exposure
Full Sun
  
Full Sun, Partial Sun
  
Pruning
In Early Autumn, Prune to stimulate growth, Remove dead leaves
  
Prune after flowering, Prune if you want to improve plant shape, Remove dead or diseased plant parts
  
Fertilizers
fertilize in spring, Nitrogen
  
Doesn't require fertilization when grown in rich soil, Fertilize in early spring, fertilize in winter, Mulch
  
Pests and Diseases
Anthracnose, Armillaria mellea, Blight, Caterpillars, Crown gall, Crown rot, fungus, Powdery mildew, Red blotch
  
Phytophthora, Thripes
  
Plant Tolerance
Drought, Frost
  
Not Available
  
Flowers
Insignificant
  
Showy
  
Flower Petal Number
Not Available
  
Single
  
Fruits
  
  
Showy Fruit
Yes
  
No
  
Edible Fruit
Yes
  
No
  
Fragrance
  
  
Fragrant Flower
No
  
No
  
Fragrant Fruit
No
  
No
  
Fragrant Leaf
Yes
  
No
  
Fragrant Bark/Stem
No
  
No
  
Showy Foliage
Yes
  
Yes
  
Showy Bark
Yes
  
Yes
  
Foliage Texture
Coarse
  
Coarse
  
Foliage Sheen
Glossy
  
Glossy
  
Evergreen
No
  
No
  
Invasive
No
  
No
  
Self-Sowing
Yes
  
No
  
Attracts
Not Available
  
Butterflies
  
Allergy
Severe allergen
  
Not Available
  
Uses
  
  
Aesthetic Uses
Not Used For Aesthetic Purpose
  
Showy Purposes
  
Beauty Benefits
Good for skin and hair
  
Not Available
  
Edible Uses
Yes
  
No
  
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
  
Insect Repellent, Shadow Tree, Windbreak
  
Plant Benefits
  
  
Medicinal Uses
Anemia, Asthma, Cancer, Cough, Diarrhea, Menstrual Disorders, Urinary tract problems
  
antimicrobial, Cancer, Dermatitis
  
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
  
Used as fuel, Used as insect repellent, Used as Ornamental plant, Used for its medicinal properties
  
Used As Indoor Plant
No
  
No
  
Used As Outdoor Plant
Yes
  
Yes
  
Garden Design
Edible, Feature Plant, Shade Trees
  
Feature Plant, Mixed Border, Topiary / Bonsai / Espalier
  
Botanical Name
JUGLANS regia
  
RHODODENDRON arboreum
  
Common Name
English Walnut
  
Chalan, Rose Tree, Tree Rhododendron
  
In Hindi
अंग्रेजी अखरोट
  
लाल बुरांश
  
In German
Englisch Walnut
  
Rhododendron arboreum
  
In French
Anglais Noyer
  
Rhododendron arboreum
  
In Spanish
Inglés nuez
  
arboreum rododendro
  
In Greek
Αγγλικά Καρυδιά
  
Rhododendron arboreum
  
In Portuguese
Inglês Walnut
  
arboreum Rhododendron
  
In Polish
orzech włoski
  
różanecznik drzewiasty
  
In Latin
Nucis anglicus
  
Prunus arborea
  
Kingdom
Plantae
  
Plantae
  
Phylum
Tracheophyta
  
Magnoliophyta
  
Class
Magnoliopsida
  
Magnoliopsida
  
Order
Fagales
  
Ericales
  
Family
Juglandaceae
  
Ericaceae
  
Genus
Juglans
  
Rhododendron
  
Clade
Angiosperms, Eudicots, Rosids
  
Angiosperms, Asterids, Eudicots
  
Tribe
Juglandeae
  
Not Available
  
Subfamily
Juglandoideae
  
Not Available
  
Number of Species
Not Available
  
Not Available