Life Span
Perennial
Perennial
Origin
United States, California
Eastern Africa, Southern Asia, Southeastern Asia, Melanesia, Micronesia, Polynesia, Australia
Habitat
Woodland Garden Canopy
Saline Soils, Sandy areas
USDA Hardiness Zone
6-9
10-15
Sunset Zone
3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
H1, H2
Habit
Spreading
Oval or Rounded
Flower Color
Red, Yellow green
White, Yellow, Gold, Orange Red
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
Light Green, Chocolate
Leaf Color in Spring
Green, Blue Green
Green
Leaf Color in Summer
Green, Blue Green
Green
Leaf Color in Fall
Yellow, Orange, Pink
Green
Leaf Color in Winter
-
Green
Leaf Shape
Irregular
Oval
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall, Winter
Sunlight
Full Sun, Partial Sun
Full Sun
Type of Soil
-
Clay, Loam, Sand
The pH of Soil
-
Acidic, Neutral, Alkaline
Bloom Time
Spring
Indeterminate
Tolerances
Drought
Drought, Salt
Where to Plant?
Ground
Ground
How to Plant?
Seedlings
Seedlings, Stem Cutting
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 Type
-
Clay, Loam, Sand
Soil Drainage Capacity
-
Average
Sun Exposure
Full Sun, Partial Sun
Full Sun
Pruning
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
All-Purpose Liquid Fertilizer
All-Purpose Liquid Fertilizer
Pests and Diseases
Red blotch
Root rot, Snails
Plant Tolerance
Drought
Drought and Salt
Flowers
Insignificant
Showy
Flower Petal Number
-
Single
Foliage Texture
Medium
Coarse
Attracts
Birds
Birds, Butterflies
Allergy
Pollen
Dizziness, Throat itching, Vomiting
Aesthetic Uses
Borders
Cottage Garden
Beauty Benefits
-
Making cosmetics, used as a dye
Environmental Uses
Air purification, Shadow Tree, soil erosion prevension on hill slopes, Wildlife, Windbreak
Absorbs greenhouse gases, No fertilizer, pesticides, or herbicides needed, Shadow Tree
Medicinal Uses
Astringent, Diarrhea, Dysentry, Haemorrhages, Poultice, Sore Eyes, Sore throat
Acne, Aging, Hair Loss
Part of Plant Used
Leaves, Seeds, Wood
Flowers, Fruits, Leaves
Other Uses
Adhesive, Basketary, Buttons, Repellent, Tannin, Used as fuel, Used for woodware
Making Shampoo, Showy Purposes, Used as Biofuel, Used as Ornamental plant
Used As Indoor Plant
No
No
Used As Outdoor Plant
Yes
Yes
Garden Design
Feature Plant, Shade Trees, Street Trees
Edible, Shade Trees, Street Trees, Tropical
Botanical Name
QUERCUS douglasii
CORDIA subcordata
Common Name
Blue Oak
Beach Cordia, Island Walnut, Kou, Sea Trumpet
In Hindi
Blue Oak Tree
Cordia subcordata
In German
Blaue Eiche
Cordia subcordata
In French
Bleu Oak Tree
Cordia subcordata
In Spanish
Azul del árbol de roble
Cordia subcordata
In Greek
Μπλε Oak Tree
Cordia subcordata
In Portuguese
Carvalho azul
Cordia subcordata
In Polish
Niebieski Oak Tree
Cordia subcordata
In Latin
Blue quercum ligno
Cordia subcordata
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Family
Fagaceae
Boraginaceae
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Asterids, Eudicots
Importance of Blue Oak and Kou
Want to have the most appropriate plant for your garden? You might want to know the importance of Blue Oak and Kou. Basically, these two plants vary in many aspects. Compare Blue Oak and Kou 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 Kou is Acne, Aging and Hair Loss. Blue Oak has beauty benefits as follows: while Kou has beauty benefits as follows: .
Compare Facts of Blue Oak vs Kou
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 Kou 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 Kou have Dizziness, Throat itching and Vomiting respectively. Having a fruit bearing plant in your garden can be a plus point of your garden. Blue Oak has showy fruits and Kou has no showy fruits. Also Blue Oak is not flowering and Kou is not flowering . You can compare Blue Oak and Kou facts and facts of other plants too.