Life Span
Perennial
Annual
Type
Tree
Perennial
Origin
Europe, Eastern Europe, Southern Europe, Russia/Siberia, Iran, Central Asia, Southern Asia, Western Asia, India, Nepal, China
Europe, Asia
Types
Black walnut
Winged flax, Bristle flax, Fairy flax
Number of Varieties
304
0
40000
👆🏻
Habitat
Cold Regions, Hills, Hillside
Cultivated Beds
USDA Hardiness Zone
4-84-8
0
99
👆🏻
AHS Heat Zone
7-1
9-7
Sunset Zone
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 18, 19, 20, 21
2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Oval or Rounded
Clump-Forming
Plant Size
Minimum Height
1,220.00 cm45.72 cm
0
3900
👆🏻
Minimum Width
1,220.00 cm45.72 cm
0
6350
👆🏻
Plant Color
Flower Color
Yellow green
Blue, Sky Blue
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Green, Brown
Tan
Leaf Color in Spring
Green, Copper
Green, Blue Green
Leaf Color in Summer
Dark Green
Green, Blue Green
Leaf Color in Fall
Dark Green, Yellow green
Green, Blue Green
Leaf Color in Winter
-
Light Green
Shape
Leaf Shape
Pinnate
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
Loam, Sand
The pH of Soil
Acidic, Neutral
Neutral, Alkaline
Soil Drainage
Well drained
Well drained
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
Average Water Needs, 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
Neutral, Alkaline
Soil Type
Clay, Loam, Sand
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
Midseason Pruning, Prune in fall, 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
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
Fine
Foliage Sheen
Glossy
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
-
Bees, Butterflies, Flies
Allergy
Severe allergen
Cyanide poisoning
Uses
Aesthetic Uses
-
Showy Purposes
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
Plant Benefits
Medicinal Uses
Anemia, Asthma, Cancer, Cough, Diarrhea, Menstrual Disorders, Urinary tract problems
Antirheumatic, Carminative, Emollient, Ophthalmic, Poultice, Stomachic
Part of Plant Used
Fruits, Seeds
Flowers, Seeds
Other Uses
Economic Purpose, Used as a dye, Used as firewood, Used As Food, Used for its medicinal properties
Cosmetics, Fibre, For making oil, Used in paper industry
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Edible, Feature Plant, Shade Trees
Mixed Border, Rock Garden, Wall, Wildflower
Botanical Name
JUGLANS regia
LINUM perenne
Common Name
English Walnut
Perennial Flax, Blue flax, Alpine flax
In Hindi
अंग्रेजी अखरोट
Blue Flax Plant
In German
Englisch Walnut
Blaue Flachspflanze
In French
Anglais Noyer
Bleu lin Plante
In Spanish
Inglés nuez
Planta de lino azul
In Greek
Αγγλικά Καρυδιά
Μπλε Λίνο Φυτών
In Portuguese
Inglês Walnut
Planta do linho azul
In Polish
orzech włoski
Niebieski roślin lnu
In Latin
Nucis anglicus
Blue linum Planta
Kingdom
Plantae
Plantae
Phylum
Tracheophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Fagales
Linales
Family
Juglandaceae
Linaceae
Genus
Juglans
Linum
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Eudicots, Rosids
Tribe
Juglandeae
-
Subfamily
Juglandoideae
-
Number of Species
21180
1
27800
👆🏻