Life Span
Perennial
Perennial
Type
Tree
Tree
Origin
United States, California
Caribbean, Central America, South America
Types
-
Alaskan blueberry, Lowbush blueberry, New Jersey blueberry
Number of Varieties
820
0
40000
👆🏻
Habitat
Woodland Garden Canopy
Dappled Shade, Sunny Edge, Woodland Garden Canopy
USDA Hardiness Zone
6-910-15
0
99
👆🏻
AHS Heat Zone
9-1
12-9
Sunset Zone
3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
A1, A2, A3, H1, H2, 1a, 1b, 2a, 2b, 3a, 3b, 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
Plant Size
Minimum Height
1,520.00 cm243.84 cm
0
3900
👆🏻
Minimum Width
1,370.00 cm60.96 cm
0
6350
👆🏻
Plant Color
Flower Color
Red, Yellow green
White
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
Dark Blue, Black
Leaf Color in Spring
Green, Blue Green
Green
Leaf Color in Summer
Green, Blue Green
Green, Dark Green
Leaf Color in Fall
Yellow, Orange, Pink
Dark Green
Leaf Color in Winter
-
Dark Green
Shape
Leaf Shape
Irregular
Pinnate
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun
Growth Rate
Slow
Medium
Type of Soil
-
Loam
The pH of Soil
-
Acidic, Neutral
Soil Drainage
-
Well drained
Bloom Time
Spring
Late Spring, Early Summer, Summer, Late Summer, Early Fall
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
-
Where to Plant?
Ground
Ground
How to Plant?
Seedlings
Seedlings, Stem Cutting
Plant Maintenance
Medium
Medium
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, Neutral
Soil Type
-
Loam
Soil Drainage Capacity
-
Well drained
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
Prune in early spring, Remove branches, 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, Ammonia sulphate, In Late summer, Nitrogen, Phosphorous, Potassium, Potassium sulphate
Pests and Diseases
Red blotch
Red blotch
Plant Tolerance
Drought
-
Flowers
Insignificant
Insignificant
Flower Petal Number
-
Single
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
Birds
Allergy
Pollen
Pollen
Uses
Aesthetic Uses
Borders
Showy Purposes
Beauty Benefits
-
Good for skin and hair, Speed hair growth, Weightloss
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Shadow Tree, soil erosion prevension on hill slopes, Wildlife, Windbreak
Air purification
Plant Benefits
Medicinal Uses
Astringent, Diarrhea, Dysentry, Haemorrhages, Poultice, Sore Eyes, Sore throat
Astringent, Pectoral
Part of Plant Used
Leaves, Seeds, Wood
Fruits
Other Uses
Adhesive, Basketary, Buttons, Repellent, Tannin, Used as fuel, Used for woodware
Used in making tea
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Shade Trees, Street Trees
Shade Trees, Tropical
Botanical Name
QUERCUS douglasii
SYMPLOCOS martinicensis
Common Name
Blue Oak
Blue Berry, Horse Sugar, Martinique Sweetleaf, Whitewood
In Hindi
Blue Oak Tree
Blue Berry Tree
In German
Blaue Eiche
Blue Berry Baum
In French
Bleu Oak Tree
Bleu Berry Tree
In Spanish
Azul del árbol de roble
Árbol de la baya azul
In Greek
Μπλε Oak Tree
Μπλε δέντρο μούρων
In Portuguese
Carvalho azul
Árvore Berry Azul
In Polish
Niebieski Oak Tree
Niebieski Berry Drzewo
In Latin
Blue quercum ligno
Berry lignum blue
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Fagales
Ebenales
Family
Fagaceae
Symplocaceae
Genus
Quercus
Symplocos
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Asterids, Eudicots
Tribe
-
-
Subfamily
-
-
Number of Species
20300
1
27800
👆🏻