Life Span
Perennial
Perennial
Type
Tree
Bulb or Corm or Tuber
Origin
Europe, Eastern Europe, Southern Europe, Russia/Siberia, Iran, Central Asia, Southern Asia, Western Asia, India, Nepal, China
South America, Argentina
Types
Black walnut
Perennial
Number of Varieties
3035
0
40000
👆🏻
Habitat
Cold Regions, Hills, Hillside
Temperate Regions
USDA Hardiness Zone
4-85-9
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
21,22
Habit
Oval or Rounded
Clump-Forming
Plant Size
Minimum Height
1,220.00 cm10.20 cm
0
3900
👆🏻
Minimum Width
1,220.00 cm5.10 cm
0
6350
👆🏻
Plant Color
Flower Color
Yellow green
Light Blue, Light Purple, Silver, Sky Blue
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Green, Brown
-
Leaf Color in Spring
Green, Copper
Green, Light Green, Gray Green
Leaf Color in Summer
Dark Green
Light Green
Leaf Color in Fall
Dark Green, Yellow green
Several shades of Green
Leaf Color in Winter
-
Light Green
Shape
Leaf Shape
Pinnate
Grass like
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall
Spring
Growing Conditions
Sunlight
Full Sun
Full Sun, Partial Sun, Partial shade
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
Early Spring, Spring, Late Winter
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought, Frost
Drought
Where to Plant?
Ground
Container, Ground
How to Plant?
Budding, Seedlings
By dividing rhizomes, tubers
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, Do Not over Water, 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, Alkaline
Soil Type
Clay, Loam, Sand
Clay, Loam, Sand
Soil Drainage Capacity
Well drained
Well drained
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 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
Slugs, Snails
Plant Tolerance
Drought, Frost
Drought
Flowers
Insignificant
Showy
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, Birds, Hummingbirds
Allergy
Severe allergen
-
Uses
Aesthetic Uses
-
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
Other Uses
Economic Purpose, Used as a dye, Used as firewood, Used As Food, Used for its medicinal properties
-
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Edible, Feature Plant, Shade Trees
Container, Lawns and Turf, Mixed Border, Rock Garden / Wall, Wildflower
Botanical Name
JUGLANS regia
Ipheion uniflorum
Common Name
English Walnut
Spring Starflower, Springstar
In Hindi
अंग्रेजी अखरोट
Spring Starflower
In German
Englisch Walnut
Frühling Borretsch
In French
Anglais Noyer
Spring Starflower
In Spanish
Inglés nuez
primavera Flor de estrella
In Greek
Αγγλικά Καρυδιά
άνοιξη starflower
In Portuguese
Inglês Walnut
primavera Starflower
In Polish
orzech włoski
Wiosna Starflower
In Latin
Nucis anglicus
Spring Starflower
Kingdom
Plantae
Plantae
Phylum
Tracheophyta
Magnoliophyta
Class
Magnoliopsida
Lilopsida
Order
Fagales
Asparagales
Family
Juglandaceae
Liliaceae
Genus
Juglans
Ipheion
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Monocots
Tribe
Juglandeae
Gilliesieae
Subfamily
Juglandoideae
Allioideae
Number of Species
2150
1
27800
👆🏻