Life Span
Perennial
Perennial
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
Africa
Types
Juglans nigra
Yardlong Bean
Black-Eyed Peas
Catjang
Dixie Lee Pea
Habitat
bottomlands, Moist woods
Fertile bottom land
USDA Hardiness Zone
4-9
-9999
Sunset Zone
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 18, 19, 20, 21
A1, A2, A3, H1, H2, 1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Flower Color
Yellow green
White, Pink, Lavender
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Green, Chocolate
White, Red, Green, Purple, Brown, Black
Leaf Color in Spring
Green
Green, Purple
Leaf Color in Summer
Green, Dark Green
Green, Purple
Leaf Color in Fall
Yellow, Dark Green, Yellow green, Gold
Green, Purple
Leaf Color in Winter
-
Green, Purple
Leaf Shape
Pinnate
Deltoid
Plant Season
Spring, Summer, Fall
Spring, Summer, Fall, Winter
Sunlight
Full Sun
Full Sun, Partial Sun
Type of Soil
Clay, Loam, Sand
Loam, Sand
The pH of Soil
Acidic, Neutral
Acidic, Neutral, Alkaline
Soil Drainage
Well drained
Well drained
Bloom Time
Late Spring, Early Summer
Indeterminate
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
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil pH
Acidic, Neutral
Acidic, Neutral, Alkaline
Soil Type
Clay, Loam, Sand
Loam, Sand
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Full Sun
Full Sun, Partial 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
Remove damaged leaves, Remove dead branches, Remove dead flowers, Remove dead leaves, Remove dead or diseased plant parts, Remove deadheads
Fertilizers
Apply NPK fertilizer at the ratio of 6-24-24
Any balanced general purpose fertilizer
Pests and Diseases
Red blotch
Nematodes, Red blotch
Plant Tolerance
-
Drought
Flowers
Insignificant
Insignificant
Flower Petal Number
-
Single
Fragrant Bark/Stem
Yes
No
Foliage Texture
Coarse
Medium
Foliage Sheen
Glossy
Matte
Attracts
Birds, Butterflies
-
Allergy
Anaphylaxis, Toxic
Legume allergy
Beauty Benefits
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
Diuretic, Stomachic
Part of Plant Used
Fruits
Seedpod, Seeds
Other Uses
Used As Food, Used as Ornamental plant
-
Used As Indoor Plant
No
No
Used As Outdoor Plant
Yes
Yes
Garden Design
Feature Plant, Shade Trees
Edible, Herb, Vegetable, Tropical
Botanical Name
JUGLANS nigra
VIGNA unguiculata
Common Name
Black Walnut
Blackeyed Pea
Cowpea
In Hindi
काले अखरोट के पेड़
लोबिया
In German
Schwarz Walnussbaum
cowpea
In French
Noir noyer
niébé
In Spanish
nogal negro
caupí
In Greek
Μαύρη καρυδιά
cowpea
In Portuguese
nogueira preta
Koopea
In Polish
Czarny orzech drzewo
Koopea
In Latin
Niger walnut tree
Koopea
Phylum
Magnoliophyta
Tracheophyta
Class
Magnoliopsida
Magnoliopsida
Order
Juglandales
Fabales
Family
Juglandaceae
Fabaceae
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Eudicots, Rosids
Importance of Black Walnut and Cowpea
Want to have the most appropriate plant for your garden? You might want to know the importance of Black Walnut and Cowpea. Basically, these two plants vary in many aspects. Compare Black Walnut and Cowpea 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 Cowpea is Diuretic and Stomachic. Black Walnut has beauty benefits as follows: Good for skin while Cowpea has beauty benefits as follows: Good for skin.
Compare Facts of Black Walnut vs Cowpea
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 Cowpea 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 Cowpea have Legume allergy respectively. Having a fruit bearing plant in your garden can be a plus point of your garden. Black Walnut has showy fruits and Cowpea has showy fruits. Also Black Walnut is not flowering and Cowpea is not flowering . You can compare Black Walnut and Cowpea facts and facts of other plants too.