Life Span
Perennial
Perennial
Origin
United States, California
Southern Europe, Mediterranean, Northern Africa
Types
Not Available
Quercus ilex, Quercus rotundifolia
Number of Varieties
Not Available
Habitat
Woodland Garden Canopy
Mediterranean region
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
4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Spreading
Oval or Rounded
Flower Color
Red, Yellow green
Red, Yellow green
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Not Available
Brown, Sandy Brown, Chocolate
Leaf Color in Spring
Green, Blue Green
Green, Dark Green
Leaf Color in Summer
Green, Blue Green
Dark Green
Leaf Color in Fall
Yellow, Orange, Pink
Dark Green
Leaf Color in Winter
Not Available
Dark Green
Leaf Shape
Irregular
Oblong or Lanceolate
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall, Winter
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun
Type of Soil
Not Available
Clay, Loam, Sand
The pH of Soil
Not Available
Acidic, Neutral, Alkaline
Soil Drainage
Not Available
Average
Tolerances
Drought
Pollution, Drought, Salt
Where to Plant?
Ground
Ground
How to Plant?
Seedlings
Grafting, Seedlings
Plant Maintenance
Medium
Medium
Watering Requirements
Average Water Needs
Average Water Needs, Do Not over Water, Requires regular watering
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil pH
Not Available
Acidic, Neutral, Alkaline
Soil Type
Not Available
Clay, Loam, Sand
Soil Drainage Capacity
Not Available
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 damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer
fertilize in fall, Nitrogen, Phosphorous, Potassium
Pests and Diseases
Red blotch
Aphids, Disease free, Moth
Plant Tolerance
Drought
Pollution, Shade areas
Flowers
Insignificant
Insignificant
Flower Petal Number
Not Available
Not Available
Foliage Texture
Medium
Medium
Foliage Sheen
Not Available
Glossy
Attracts
Birds
Birds, Insects
Allergy
Pollen
Not Available
Aesthetic Uses
Borders
Cottage Garden
Beauty Benefits
Not Available
Good for skin, Skin Problems
Environmental Uses
Air purification, Shadow Tree, soil erosion prevension on hill slopes, Wildlife, Windbreak
Nesting sites for birds, Shadow Tree
Medicinal Uses
Astringent, Diarrhea, Dysentry, Haemorrhages, Poultice, Sore Eyes, Sore throat
Digestive, Skin irritation
Part of Plant Used
Leaves, Seeds, Wood
Bark, Fruits, Wood
Other Uses
Adhesive, Basketary, Buttons, Repellent, Tannin, Used as fuel, Used for woodware
Charcoal, Used as firewood, Used for its medicinal properties, Wood is used fore making tools
Used As Indoor Plant
No
No
Used As Outdoor Plant
Yes
Yes
Garden Design
Feature Plant, Shade Trees, Street Trees
Feature Plant, Hedges, Screening / Wind Break, Shade Trees, Street Trees
Botanical Name
QUERCUS douglasii
QUERCUS ilex
Common Name
Blue Oak
Evergreen Oak, Holly Oak, Holm Oak
In Hindi
Blue Oak Tree
होल्म ओक
In German
Blaue Eiche
Steineiche
In French
Bleu Oak Tree
chêne vert
In Spanish
Azul del árbol de roble
encina
In Greek
Μπλε Oak Tree
πρινόδενδρο
In Portuguese
Carvalho azul
azinheira
In Polish
Niebieski Oak Tree
dąb skalny
In Latin
Blue quercum ligno
ilice
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Eudicots, Rosids
Tribe
Not Available
Not Available
Subfamily
Not Available
Not Available
Number of Species
Not Available
Importance of Blue Oak and Holm Oak
Want to have the most appropriate plant for your garden? You might want to know the importance of Blue Oak and Holm Oak. Basically, these two plants vary in many aspects. Compare Blue Oak and Holm 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 Holm Oak is Digestive and Skin irritation. Blue Oak has beauty benefits as follows: Not Available while Holm Oak has beauty benefits as follows: Not Available.
Compare Facts of Blue Oak vs Holm 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 Holm 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 Holm Oak have Not Available respectively. Having a fruit bearing plant in your garden can be a plus point of your garden. Blue Oak has showy fruits and Holm Oak has showy fruits. Also Blue Oak is not flowering and Holm Oak is not flowering . You can compare Blue Oak and Holm Oak facts and facts of other plants too.