Life Span
Perennial
Perennial
Type
Tree
Tree
Origin
Southern Europe, Mediterranean, Northern Africa
United States, California
Types
Quercus ilex, Quercus rotundifolia
-
Number of Varieties
28
0
40000
👆🏻
Habitat
Mediterranean region
Woodland Garden Canopy
USDA Hardiness Zone
4-86-9
0
99
👆🏻
AHS Heat Zone
9-2
9-1
Sunset Zone
4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Oval or Rounded
Spreading
Plant Size
Minimum Height
1,220.00 cm1,520.00 cm
0
3900
👆🏻
Minimum Width
1,070.00 cm1,370.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Red, Yellow green
Red, Yellow green
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Brown, Sandy Brown, Chocolate
-
Leaf Color in Spring
Green, Dark Green
Green, Blue Green
Leaf Color in Summer
Dark Green
Green, Blue Green
Leaf Color in Fall
Dark Green
Yellow, Orange, Pink
Leaf Color in Winter
Dark Green
-
Shape
Leaf Shape
Oblong or Lanceolate
Irregular
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun
Growth Rate
Medium
Slow
Type of Soil
Clay, Loam, Sand
-
The pH of Soil
Acidic, Neutral, Alkaline
-
Soil Drainage
Average
-
Bloom Time
Spring
Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Pollution, Drought, Salt
Drought
Where to Plant?
Ground
Ground
How to Plant?
Grafting, Seedlings
Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs, Do Not over Water, Requires regular watering
Average Water Needs
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Acidic, Neutral, Alkaline
-
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 damaged leaves, Remove dead branches, Remove dead leaves, Remove dead or diseased plant parts
Fertilizers
fertilize in fall, Nitrogen, Phosphorous, Potassium
All-Purpose Liquid Fertilizer
Pests and Diseases
Aphids, Moth
Red blotch
Plant Tolerance
Pollution, Shade areas
Drought
Flowers
Insignificant
Insignificant
Flower Petal Number
-
-
Fruits
Showy Fruit
✔
✘
✔
✘
Edible Fruit
✔
✘
✔
✘
Fragrance
Fragrant Flower
✔
✘
✔
✘
Fragrant Fruit
✔
✘
✔
✘
Fragrant Leaf
✔
✘
✔
✘
Fragrant Bark/Stem
✔
✘
✔
✘
Showy Foliage
✔
✘
✔
✘
Showy Bark
✔
✘
✔
✘
Foliage Texture
Medium
Medium
Foliage Sheen
Glossy
-
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Birds, Insects
Birds
Allergy
-
Pollen
Uses
Aesthetic Uses
Cottage Garden
Borders
Beauty Benefits
Good for skin, Skin Problems
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Nesting sites for birds, Shadow Tree
Air purification, Shadow Tree, soil erosion prevension on hill slopes, Wildlife, Windbreak
Plant Benefits
Medicinal Uses
Digestive, Skin irritation
Astringent, Diarrhea, Dysentry, Haemorrhages, Poultice, Sore Eyes, Sore throat
Part of Plant Used
Bark, Fruits, Wood
Leaves, Seeds, Wood
Other Uses
Charcoal, Used as firewood, Used for its medicinal properties, Wood is used fore making tools
Adhesive, Basketary, Buttons, Repellent, Tannin, Used as fuel, Used for woodware
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Hedges, Screening / Wind Break, Shade Trees, Street Trees
Feature Plant, Shade Trees, Street Trees
Botanical Name
QUERCUS ilex
QUERCUS douglasii
Common Name
Evergreen Oak, Holly Oak, Holm Oak
Blue Oak
In Hindi
होल्म ओक
Blue Oak Tree
In German
Steineiche
Blaue Eiche
In French
chêne vert
Bleu Oak Tree
In Spanish
encina
Azul del árbol de roble
In Greek
πρινόδενδρο
Μπλε Oak Tree
In Portuguese
azinheira
Carvalho azul
In Polish
dąb skalny
Niebieski Oak Tree
In Latin
ilice
Blue quercum ligno
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Fagales
Fagales
Family
Fagaceae
Fagaceae
Genus
Quercus
Quercus
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Eudicots, Rosids
Tribe
-
-
Subfamily
-
-
Number of Species
1720
1
27800
👆🏻