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