Life Span
Perennial
Annual
Origin
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
Europe, Asia
Types
Juglans nigra
Winged flax, Bristle flax, Fairy flax
Habitat
bottomlands, Moist woods
Cultivated Beds
USDA Hardiness Zone
4-9
4-8
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
Flower Color
Yellow green
Blue, Sky Blue
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Green, Chocolate
Tan
Leaf Color in Spring
Green
Green, Blue Green
Leaf Color in Summer
Green, Dark Green
Green, Blue Green
Leaf Color in Fall
Yellow, Dark Green, Yellow green, Gold
Green, Blue Green
Leaf Color in Winter
-
Light Green
Leaf Shape
Pinnate
Narrow
Plant Season
Spring, Summer, Fall
Summer
Sunlight
Full Sun
Full Sun, Partial Sun, Partial shade
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
Where to Plant?
Ground
Ground
How to Plant?
Seedlings
Seedlings
Plant Maintenance
Medium
Medium
Watering Requirements
Average Water Needs, Requires regular watering
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 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
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
Midseason Pruning, Prune in fall, Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
Apply NPK fertilizer at the ratio of 6-24-24
All-Purpose Liquid Fertilizer
Pests and Diseases
Red blotch
Red blotch
Plant Tolerance
-
Drought
Flowers
Insignificant
Yes
Flower Petal Number
-
Single
Fragrant Bark/Stem
Yes
No
Foliage Texture
Coarse
Fine
Foliage Sheen
Glossy
Matte
Attracts
Birds, Butterflies
Bees, Butterflies, Flies
Allergy
Anaphylaxis, Toxic
Cyanide poisoning
Aesthetic Uses
-
Showy Purposes
Beauty Benefits
Good for skin
Good for skin
Environmental Uses
Air purification, Shadow Tree
Air purification
Medicinal Uses
Cancer, Coronary diseases, Cures constipation, Diarrhea, Diphtheria, High cholestrol, Immunity, Intestinal worms, Leukemia, Skin wounds, Sore throat, Syphilis, Use as a gargle
Antirheumatic, Carminative, Emollient, Ophthalmic, Poultice, Stomachic
Part of Plant Used
Fruits
Flowers, Seeds
Other Uses
Used As Food, Used as Ornamental plant
Cosmetics, Fibre, For making oil, Used in paper industry
Used As Indoor Plant
No
-
Used As Outdoor Plant
Yes
Yes
Garden Design
Feature Plant, Shade Trees
Mixed Border, Rock Garden, Wall, Wildflower
Botanical Name
JUGLANS nigra
LINUM perenne
Common Name
Black Walnut
Perennial Flax, Blue flax, Alpine flax
In Hindi
काले अखरोट के पेड़
Blue Flax Plant
In German
Schwarz Walnussbaum
Blaue Flachspflanze
In French
Noir noyer
Bleu lin Plante
In Spanish
nogal negro
Planta de lino azul
In Greek
Μαύρη καρυδιά
Μπλε Λίνο Φυτών
In Portuguese
nogueira preta
Planta do linho azul
In Polish
Czarny orzech drzewo
Niebieski roślin lnu
In Latin
Niger walnut tree
Blue linum Planta
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Juglandales
Linales
Family
Juglandaceae
Linaceae
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Eudicots, Rosids
Importance of Black Walnut and Blue Flax
Want to have the most appropriate plant for your garden? You might want to know the importance of Black Walnut and Blue Flax. Basically, these two plants vary in many aspects. Compare Black Walnut and Blue Flax as they differ in many characteristics such as their life, care, benefits, facts, etc. Every gardener must at least have the slightest clue about the plants he wants to plant in his garden. Compare their benefits, which differ in many ways like facts and uses. The medicinal use of Black Walnut is Cancer, Coronary diseases, Cures constipation, Diarrhea, Diphtheria, High cholestrol, Immunity, Intestinal worms, Leukemia, Skin wounds, Sore throat, Syphilis and Use as a gargle whereas of Blue Flax is Antirheumatic, Carminative, Emollient, Ophthalmic, Poultice and Stomachic. Black Walnut has beauty benefits as follows: Good for skin while Blue Flax has beauty benefits as follows: Good for skin.
Compare Facts of Black Walnut vs Blue Flax
How to choose the best garden plant for your garden depending upon its facts? Here garden plant comparison will help you to solve this query. Compare the facts of Black Walnut vs Blue Flax and know which one to choose. As garden plants have benefits and other uses, allergy is also a major drawback of plants for some people. Allergic reactions of Black Walnut are Anaphylaxis and Toxic whereas of Blue Flax have Cyanide poisoning respectively. Having a fruit bearing plant in your garden can be a plus point of your garden. Black Walnut has showy fruits and Blue Flax has no showy fruits. Also Black Walnut is not flowering and Blue Flax is flowering. You can compare Black Walnut and Blue Flax facts and facts of other plants too.