Life Span
Perennial
Perennial
Type
Tree
Shrub
Origin
United States, California
Europe, Morocco, Western Asia
Types
-
-
Number of Varieties
8700
0
40000
👆🏻
Habitat
Woodland Garden Canopy
Boggy areas, Dry and Young forest Heaths, Mountain Slopes, Temperate Regions
USDA Hardiness Zone
6-95-8
0
99
👆🏻
AHS Heat Zone
9-1
8-5
Sunset Zone
3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
A1, 2a, 2b, 3a, 3b, 4, 5, 6, 15, 16, 17
Habit
Spreading
Clump-Forming
Plant Size
Minimum Height
1,520.00 cm10.20 cm
0
3900
👆🏻
Minimum Width
1,370.00 cm610.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Red, Yellow green
White, Red, Pink
Flower Color Modifier
Bicolor
-
Fruit Color
-
-
Leaf Color in Spring
Green, Blue Green
Green, Gray Green, Dark Green
Leaf Color in Summer
Green, Blue Green
Green, Gray Green, Dark Green
Leaf Color in Fall
Yellow, Orange, Pink
Green, Gray Green, Dark Green
Leaf Color in Winter
-
Gray Green, Dark Green
Shape
Leaf Shape
Irregular
Needle like
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun
Growth Rate
Slow
Medium
Type of Soil
-
Loam, Sand
The pH of Soil
-
Acidic
Soil Drainage
-
Well drained
Bloom Time
Spring
Summer, Late Summer, Early Fall, Fall
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
-
Where to Plant?
Ground
Ground, Pot
How to Plant?
Seedlings
Divison, Seedlings, Stem Cutting
Plant Maintenance
Medium
Low
Watering Plants
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
Soil pH
-
Acidic
Soil Type
-
Loam, Sand
Soil Drainage Capacity
-
Well drained
Sun Exposure
Full Sun, Partial Sun
Full Sun
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves, Remove dead or diseased plant parts
Prune in early summer, Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer
Ammonium Nitrate
Pests and Diseases
Red blotch
Armillaria mellea, Chlorosis, Crown rot, Powdery mildew, Root rot, Rust, Verticillium Wilt
Plant Tolerance
Drought
Drought, Dry soil, Shade areas, Wet Site
Flowers
Insignificant
Showy
Flower Petal Number
-
Single, Double, Semi-Double
Fruits
Showy Fruit
✔
✘
✔
✘
Edible Fruit
✔
✘
✔
✘
Fragrance
Fragrant Flower
✔
✘
✔
✘
Fragrant Fruit
✔
✘
✔
✘
Fragrant Leaf
✔
✘
✔
✘
Fragrant Bark/Stem
✔
✘
✔
✘
Showy Foliage
✔
✘
✔
✘
Showy Bark
✔
✘
✔
✘
Foliage Texture
Medium
Fine
Foliage Sheen
-
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Birds
Bees, Butterflies, Moths
Allergy
Pollen
-
Uses
Aesthetic Uses
Borders
Beautification, Bouquets, Cottage Garden, Showy Purposes
Beauty Benefits
-
Skin inflammation
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Shadow Tree, soil erosion prevension on hill slopes, Wildlife, Windbreak
Food for animals, Food for insects
Plant Benefits
Medicinal Uses
Astringent, Diarrhea, Dysentry, Haemorrhages, Poultice, Sore Eyes, Sore throat
Arthritis, Bladder Infection, Colic, Diarrhea, Gout, Inflammation, Kidney Stones, Rheumatism, Stomach pain, Urinary tract problems
Part of Plant Used
Leaves, Seeds, Wood
Flowers
Other Uses
Adhesive, Basketary, Buttons, Repellent, Tannin, Used as fuel, Used for woodware
Can be made into a herbal tea, Food for animals, Used for its medicinal properties
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Shade Trees, Street Trees
Container, Cutflower, Edging, Foundation, Groundcover, Mixed Border, Rock Garden, Wall
Botanical Name
QUERCUS douglasii
CALLUNA vulgaris
Common Name
Blue Oak
Heather, Common heather, Ling
In Hindi
Blue Oak Tree
हीथ
In German
Blaue Eiche
Heidekraut
In French
Bleu Oak Tree
bruyère
In Spanish
Azul del árbol de roble
brezo
In Greek
Μπλε Oak Tree
ερείκη
In Portuguese
Carvalho azul
urze
In Polish
Niebieski Oak Tree
wrzos
In Latin
Blue quercum ligno
Heather
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Fagales
Ericales
Family
Fagaceae
Ericaceae
Genus
Quercus
Calluna
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Asterids, Eudicots
Tribe
-
Ericeae
Subfamily
-
Ericoideae
Number of Species
20860
1
27800
👆🏻