Life Span
Perennial
Perennial
Type
Bulb or Corm or Tuber
Tree
Origin
South America, Argentina
Europe, Eastern Europe, Southern Europe, Russia/Siberia, Iran, Central Asia, Southern Asia, Western Asia, India, Nepal, China
Types
Perennial
Black walnut
Number of Varieties
3530
0
40000
👆🏻
Habitat
Temperate Regions
Cold Regions, Hills, Hillside
USDA Hardiness Zone
5-94-8
0
99
👆🏻
AHS Heat Zone
9-1
7-1
Sunset Zone
21,22
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 18, 19, 20, 21
Habit
Clump-Forming
Oval or Rounded
Plant Size
Minimum Height
10.20 cm1,220.00 cm
0
3900
👆🏻
Minimum Width
5.10 cm1,220.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Light Blue, Light Purple, Silver, Sky Blue
Yellow green
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
Green, Brown
Leaf Color in Spring
Green, Light Green, Gray Green
Green, Copper
Leaf Color in Summer
Light Green
Dark Green
Leaf Color in Fall
Several shades of Green
Dark Green, Yellow green
Leaf Color in Winter
Light Green
-
Shape
Leaf Shape
Grass like
Pinnate
Thorns
✔
✘
✔
✘
Plant Season
Spring
Spring, Summer, Fall
Growing Conditions
Sunlight
Full Sun, Partial Sun, Partial shade
Full Sun
Growth Rate
Medium
Medium
Type of Soil
Clay, Loam, Sand
Clay, Loam, Sand
The pH of Soil
Acidic, Neutral, Alkaline
Acidic, Neutral
Soil Drainage
Well drained
Well drained
Bloom Time
Early Spring, Spring, Late Winter
Late Spring, Early Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Drought, Frost
Where to Plant?
Container, Ground
Ground
How to Plant?
By dividing rhizomes, tubers
Budding, Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs, Do Not over Water, Requires regular watering
Requires watering in the growing season, Water Deeply, Water when top layer of soil becomes dry
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Acidic, Neutral, Alkaline
Acidic, Neutral
Soil Type
Clay, Loam, Sand
Clay, Loam, Sand
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Full Sun, Partial Sun, Partial shade
Full Sun
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
In Early Autumn, Prune to stimulate growth, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer
fertilize in spring, Nitrogen
Pests and Diseases
Slugs, Snails
Anthracnose, Armillaria mellea, Blight, Caterpillars, Crown gall, Crown rot, fungus, Powdery mildew, Red blotch
Plant Tolerance
Drought
Drought, Frost
Flowers
Showy
Insignificant
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
Medium
Coarse
Foliage Sheen
Matte
Glossy
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
Air purification
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
Plant Benefits
Medicinal Uses
-
Anemia, Asthma, Cancer, Cough, Diarrhea, Menstrual Disorders, Urinary tract problems
Part of Plant Used
Flowers
Fruits, Seeds
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
Container, Lawns and Turf, Mixed Border, Rock Garden / Wall, Wildflower
Edible, Feature Plant, Shade Trees
Botanical Name
Ipheion uniflorum
JUGLANS regia
Common Name
Spring Starflower, Springstar
English Walnut
In Hindi
Spring Starflower
अंग्रेजी अखरोट
In German
Frühling Borretsch
Englisch Walnut
In French
Spring Starflower
Anglais Noyer
In Spanish
primavera Flor de estrella
Inglés nuez
In Greek
άνοιξη starflower
Αγγλικά Καρυδιά
In Portuguese
primavera Starflower
Inglês Walnut
In Polish
Wiosna Starflower
orzech włoski
In Latin
Spring Starflower
Nucis anglicus
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Tracheophyta
Class
Lilopsida
Magnoliopsida
Order
Asparagales
Fagales
Family
Liliaceae
Juglandaceae
Genus
Ipheion
Juglans
Clade
Angiosperms, Monocots
Angiosperms, Eudicots, Rosids
Tribe
Gilliesieae
Juglandeae
Subfamily
Allioideae
Juglandoideae
Number of Species
5021
1
27800
👆🏻