Life Span
Perennial
Perennial
Origin
United States, California
North America, United States, Northeastern United States, Mid-Atlantic United States, Southeastern United States, North-Central United States, Central United States, South-Central United States, Canada
Types
-
Japanese Evergreen Oak, Sawthorn Oak, Oriental White Oak
Habitat
Woodland Garden Canopy
Woodland Garden Canopy
USDA Hardiness Zone
6-9
4-8
Sunset Zone
3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17
Habit
Spreading
Upright/Erect
Flower Color
Red, Yellow green
Red, Light Yellow, Yellow green
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
Brown, Sandy Brown, Chocolate
Leaf Color in Spring
Green, Blue Green
Green, Copper
Leaf Color in Summer
Green, Blue Green
Dark Green
Leaf Color in Fall
Yellow, Orange, Pink
Orange, Brown, Dark Red
Leaf Shape
Irregular
Lobed
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall, Winter
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun
Type of Soil
-
Clay, Loam, Sand
The pH of Soil
-
Acidic, Neutral
Tolerances
Drought
Wet Site, Drought
Where to Plant?
Ground
Ground
How to Plant?
Seedlings
Seedlings, Transplanting
Plant Maintenance
Medium
Medium
Watering Requirements
Average Water Needs
Average Water Needs, Keep the ground moist but not water-logged, Needs a lot of water initially, occasional watering once established, Water Deeply
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil pH
-
Acidic, Neutral
Soil Type
-
Clay, Loam, Sand
Soil Drainage Capacity
-
Average
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 branches, Remove damaged fruit, Remove damaged leaves, Remove dead branches, Remove dead leaves, Remove dead or diseased plant parts, Remove deadheads
Fertilizers
All-Purpose Liquid Fertilizer
All-Purpose Liquid Fertilizer, High amounts of nutrients, organic fertlizers
Pests and Diseases
Red blotch
Red blotch
Plant Tolerance
Drought
Drought, Wet Site
Flowers
Insignificant
Insignificant
Fragrant Bark/Stem
No
Yes
Foliage Texture
Medium
Medium
Allergy
Pollen
Hay fever, Itchy eyes, Runny nose, sneezing, Watery eyes, Whooping Cough
Environmental Uses
Air purification, Shadow Tree, soil erosion prevension on hill slopes, Wildlife, Windbreak
Air purification, Nesting sites for birds, Shadow Tree, Shelter for wildlife, Wildlife
Medicinal Uses
Astringent, Diarrhea, Dysentry, Haemorrhages, Poultice, Sore Eyes, Sore throat
Antiaphonic, Antiasthamatic, Astringent, Chronic fatigue, Cold, Dysentry, Emetic, Febrifuge, Haemorrhages, Indigestion, Opthalmic, Salve, Sore Eyes, Sore throat, Tonic, Treating fever
Part of Plant Used
Leaves, Seeds, Wood
Inner Bark, Leaves, Seeds
Other Uses
Adhesive, Basketary, Buttons, Repellent, Tannin, Used as fuel, Used for woodware
Tannin, Used as a dye, Used as fuel, Used as insect repellent, Used for woodware
Used As Indoor Plant
No
No
Used As Outdoor Plant
Yes
Yes
Garden Design
Feature Plant, Shade Trees, Street Trees
Feature Plant, Shade Trees
Botanical Name
QUERCUS douglasii
QUERCUS velutina
Common Name
Blue Oak
Black Oak
In Hindi
Blue Oak Tree
Black Oak Tree
In German
Blaue Eiche
Schwarz Oak Tree
In French
Bleu Oak Tree
Noir Oak Tree
In Spanish
Azul del árbol de roble
Negro del árbol de roble
In Greek
Μπλε Oak Tree
Black Oak Tree
In Portuguese
Carvalho azul
Carvalho Preto
In Polish
Niebieski Oak Tree
Czarny Dąb
In Latin
Blue quercum ligno
Niger quercum ligno
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Eudicots, Rosids
Importance of Blue Oak and Black Oak
Want to have the most appropriate plant for your garden? You might want to know the importance of Blue Oak and Black Oak. Basically, these two plants vary in many aspects. Compare Blue Oak and Black Oak 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 Black Oak is Antiaphonic, Antiasthamatic, Astringent, Chronic fatigue, Cold, Dysentry, Emetic, Febrifuge, Haemorrhages, Indigestion, Opthalmic, Salve, Sore Eyes, Sore throat, Tonic and Treating fever. Blue Oak has beauty benefits as follows: while Black Oak has beauty benefits as follows: .
Compare Facts of Blue Oak vs Black Oak
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 Black Oak 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 Black Oak have Hay fever, Itchy eyes, Runny nose, sneezing, Watery eyes and Whooping Cough respectively. Having a fruit bearing plant in your garden can be a plus point of your garden. Blue Oak has showy fruits and Black Oak has showy fruits. Also Blue Oak is not flowering and Black Oak is not flowering . You can compare Blue Oak and Black Oak facts and facts of other plants too.