Life Span
Perennial
Perennial
Origin
United States, California
Africa
Types
-
Yardlong Bean
Black-Eyed Peas
Catjang
Dixie Lee Pea
Habitat
Woodland Garden Canopy
Fertile bottom land
USDA Hardiness Zone
6-9
-9999
Sunset Zone
3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
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
Red, Yellow green
White, Pink, Lavender
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
White, Red, Green, Purple, Brown, Black
Leaf Color in Spring
Green, Blue Green
Green, Purple
Leaf Color in Summer
Green, Blue Green
Green, Purple
Leaf Color in Fall
Yellow, Orange, Pink
Green, Purple
Leaf Color in Winter
-
Green, Purple
Leaf Shape
Irregular
Deltoid
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall, Winter
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun
Type of Soil
-
Loam, Sand
The pH of Soil
-
Acidic, Neutral, Alkaline
Soil Drainage
-
Well drained
Bloom Time
Spring
Indeterminate
Tolerances
Drought
Drought
Where to Plant?
Ground
Ground
How to Plant?
Seedlings
Seedlings
Plant Maintenance
Medium
Medium
Watering Requirements
Average Water Needs
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, Alkaline
Soil Drainage Capacity
-
Well drained
Sun Exposure
Full Sun, Partial Sun
Full Sun, Partial Sun
Pruning
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
All-Purpose Liquid Fertilizer
Any balanced general purpose fertilizer
Pests and Diseases
Red blotch
Nematodes, Red blotch
Plant Tolerance
Drought
Drought
Flowers
Insignificant
Insignificant
Flower Petal Number
-
Single
Foliage Texture
Medium
Medium
Allergy
Pollen
Legume allergy
Environmental Uses
Air purification, Shadow Tree, soil erosion prevension on hill slopes, Wildlife, Windbreak
Air purification
Medicinal Uses
Astringent, Diarrhea, Dysentry, Haemorrhages, Poultice, Sore Eyes, Sore throat
Diuretic, Stomachic
Part of Plant Used
Leaves, Seeds, Wood
Seedpod, Seeds
Other Uses
Adhesive, Basketary, Buttons, Repellent, Tannin, Used as fuel, Used for woodware
-
Used As Indoor Plant
No
No
Used As Outdoor Plant
Yes
Yes
Garden Design
Feature Plant, Shade Trees, Street Trees
Edible, Herb, Vegetable, Tropical
Botanical Name
QUERCUS douglasii
VIGNA unguiculata
Common Name
Blue Oak
Blackeyed Pea
Cowpea
In Hindi
Blue Oak Tree
लोबिया
In German
Blaue Eiche
cowpea
In French
Bleu Oak Tree
niébé
In Spanish
Azul del árbol de roble
caupí
In Greek
Μπλε Oak Tree
cowpea
In Portuguese
Carvalho azul
Koopea
In Polish
Niebieski Oak Tree
Koopea
In Latin
Blue quercum ligno
Koopea
Phylum
Magnoliophyta
Tracheophyta
Class
Magnoliopsida
Magnoliopsida
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Eudicots, Rosids
Importance of Blue Oak and Cowpea
Want to have the most appropriate plant for your garden? You might want to know the importance of Blue Oak and Cowpea. Basically, these two plants vary in many aspects. Compare Blue Oak 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 Blue Oak is Astringent, Diarrhea, Dysentry, Haemorrhages, Poultice, Sore Eyes and Sore throat whereas of Cowpea is Diuretic and Stomachic. Blue Oak has beauty benefits as follows: while Cowpea has beauty benefits as follows: .
Compare Facts of Blue Oak 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 Blue Oak 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 Blue Oak are Pollen whereas of Cowpea have Legume allergy respectively. Having a fruit bearing plant in your garden can be a plus point of your garden. Blue Oak has showy fruits and Cowpea has showy fruits. Also Blue Oak is not flowering and Cowpea is not flowering . You can compare Blue Oak and Cowpea facts and facts of other plants too.