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Black Walnut
Black Walnut

Kou
Kou



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Black Walnut
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Kou

About Black Walnut and Kou

-
Kou
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What is

Life Span

Perennial
Perennial

Type

Tree
Tree

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
Eastern Africa, Southern Asia, Southeastern Asia, Melanesia, Micronesia, Polynesia, Australia

Types

Juglans nigra
Mareer, Manjak

Number of Varieties

1015
0 40000
👆🏻

Habitat

bottomlands, Moist woods
Saline Soils, Sandy areas

USDA Hardiness Zone

4-910-15
0 99
👆🏻

AHS Heat Zone

9-3
12-10

Sunset Zone

1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 18, 19, 20, 21
H1, H2

Habit

Oval or Rounded
Oval or Rounded

Information

Plant Size

Minimum Height

1,830.00 cm760.00 cm
0 3900
👆🏻

Minimum Width

1,830.00 cm670.00 cm
0 6350
👆🏻

Plant Color

Flower Color

Yellow green
White, Yellow, Gold, Orange Red

Flower Color Modifier

Bicolor
Bicolor

Fruit Color

Green, Chocolate
Light Green, Chocolate

Leaf Color in Spring

Green
Green

Leaf Color in Summer

Green, Dark Green
Green

Leaf Color in Fall

Yellow, Dark Green, Yellow green, Gold
Green

Leaf Color in Winter

-
Green

Shape

Leaf Shape

Pinnate
Oval

Thorns

Season

Plant Season

Spring, Summer, Fall
Spring, Summer, Fall, Winter

Growing Conditions

Sunlight

Full Sun
Full Sun

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
Average

Bloom Time

Late Spring, Early Summer
Indeterminate

Repeat Bloomer

Tolerances

-
Drought, Salt

Care

Where to Plant?

Ground
Ground

How to Plant?

Seedlings
Seedlings, Stem Cutting

Plant Maintenance

Medium
Medium

Watering Plants

Watering Requirements

Average Water Needs, Requires regular watering
Average Water Needs

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
Average

Sun Exposure

Full Sun
Full Sun

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
Pinch or prune as they grow to promote branching and bushiness, Remove damaged leaves

Fertilizers

Apply NPK fertilizer at the ratio of 6-24-24
All-Purpose Liquid Fertilizer

Pests and Diseases

Red blotch
Root rot, Snails

Plant Tolerance

-
Drought and Salt

Facts

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
Coarse

Foliage Sheen

Glossy
Glossy

Evergreen

Invasive

Self-Sowing

Attracts

Birds, Butterflies
Birds, Butterflies

Allergy

Anaphylaxis, Toxic
Dizziness, Throat itching, Vomiting

Benefits

Uses

Aesthetic Uses

-
Cottage Garden

Beauty Benefits

Good for skin
Making cosmetics, used as a dye

Edible Uses

Environmental Uses

Air purification, Shadow Tree
Absorbs greenhouse gases, No fertilizer, pesticides, or herbicides needed, Shadow Tree

Plant Benefits

Medicinal Uses

Cancer, Coronary diseases, Cures constipation, Diarrhea, Diphtheria, High cholestrol, Immunity, Intestinal worms, Leukemia, Skin wounds, Sore throat, Syphilis, Use as a gargle
Acne, Aging, Hair Loss

Part of Plant Used

Fruits
Flowers, Fruits, Leaves

Other Uses

Used As Food, Used as Ornamental plant
Making Shampoo, Showy Purposes, Used as Biofuel, Used as Ornamental plant

Used As Indoor Plant

Used As Outdoor Plant

Garden Design

Feature Plant, Shade Trees
Edible, Shade Trees, Street Trees, Tropical

Scientific Name

Botanical Name

JUGLANS nigra
CORDIA subcordata

Common Name

Black Walnut
Beach Cordia, Island Walnut, Kou, Sea Trumpet

In Hindi

काले अखरोट के पेड़
Cordia subcordata

In German

Schwarz Walnussbaum
Cordia subcordata

In French

Noir noyer
Cordia subcordata

In Spanish

nogal negro
Cordia subcordata

In Greek

Μαύρη καρυδιά
Cordia subcordata

In Portuguese

nogueira preta
Cordia subcordata

In Polish

Czarny orzech drzewo
Cordia subcordata

In Latin

Niger walnut tree
Cordia subcordata

Classification

Kingdom

Plantae
Plantae

Phylum

Magnoliophyta
Magnoliophyta

Class

Magnoliopsida
Magnoliopsida

Order

Juglandales
Lamiales

Family

Juglandaceae
Boraginaceae

Genus

Juglans
Cordia

Clade

Angiosperms, Eudicots, Rosids
Angiosperms, Asterids, Eudicots

Tribe

Juglandeae
-

Subfamily

Juglandinae
-

Number of Species

161
1 27800
👆🏻

Properties of Black Walnut and Kou

Wondering what are the properties of Black Walnut and Kou? We provide you with everything About Black Walnut and Kou. Black Walnut doesn't have thorns and Kou doesn't have thorns. Also Black Walnut does not have fragrant flowers. Black Walnut has allergic reactions like Anaphylaxis and Toxic and Kou has allergic reactions like Anaphylaxis and Toxic. Compare all the properties and characteristics of these two plants. Find out which of these plant can be used as indoor plant. If you are interested to decorate your house and garden, find out aesthetic uses, compare them and select the plant which will beautify your surrounding. Along with beautification, try comparing medicinal and edible uses of Black Walnut and Kou and you can choose the plant having best and most benefits.

Season and Care of Black Walnut and Kou

Season and care of Black Walnut and Kou is important to know. While considering everything about Black Walnut and Kou Care, growing season is an essential factor. Black Walnut season is Spring, Summer and Fall and Kou season is Spring, Summer and Fall. The type of soil for Black Walnut is Clay, Loam, Sand and for Kou is Clay, Loam, Sand while the PH of soil for Black Walnut is Acidic, Neutral and for Kou is Acidic, Neutral, Alkaline.

Black Walnut and Kou Physical Information

Black Walnut and Kou physical information is very important for comparison. Black Walnut height is 1,830.00 cm and width 1,830.00 cm whereas Kou height is 760.00 cm and width 670.00 cm. The color specification of Black Walnut and Kou are as follows:

  • Black Walnut flower color: Yellow green

  • Black Walnut leaf color: Green

  • Kou flower color: White, Yellow, Gold and Orange Red

  • Kou leaf color: Green

Care of Black Walnut and Kou

Care of Black Walnut and Kou include pruning, fertilizers, watering etc. Black Walnut pruning is done Prune in early spring, Prune when plant is dormant, Remove branches, Remove damaged leaves, Remove dead branches, Remove dead leaves and Remove dead or diseased plant parts and Kou pruning is done Pinch or prune as they grow to promote branching and bushiness and Remove damaged leaves. In summer Black Walnut needs Lots of watering and in winter, it needs Average Water. Whereas, in summer Kou needs Lots of watering and in winter, it needs Average Water.