Life Span
Perennial
Perennial
Type
Tree
Tree
Origin
United States, California
Asia, Caribbean, Central America
Types
-
-
Number of Varieties
820
0
40000
👆🏻
Habitat
Woodland Garden Canopy
secondary forest, Tropical Forests
USDA Hardiness Zone
6-93-8
0
99
👆🏻
AHS Heat Zone
9-1
8-1
Sunset Zone
3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17
Habit
Spreading
Pyramidal
Plant Size
Minimum Height
1,520.00 cm1,220.00 cm
0
3900
👆🏻
Minimum Width
1,370.00 cm760.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Red, Yellow green
Light Yellow
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
Gray Green, Sandy Brown
Leaf Color in Spring
Green, Blue Green
Green
Leaf Color in Summer
Green, Blue Green
Dark Green
Leaf Color in Fall
Yellow, Orange, Pink
Yellow, Light Yellow, Yellow green, Sandy Brown, Ivory
Leaf Color in Winter
-
-
Shape
Leaf Shape
Irregular
Lanceolate
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun
Growth Rate
Slow
Medium
Type of Soil
-
Clay, Loam
The pH of Soil
-
Acidic, Neutral, Alkaline
Soil Drainage
-
Well drained
Bloom Time
Spring
Early Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Pollution, Drought
Where to Plant?
Ground
Ground
How to Plant?
Seedlings
Grafting, Seedlings
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, Alkaline
Soil Type
-
Clay, 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 the growing season, pruning needed for strong structure, Remove dead branches
Fertilizers
All-Purpose Liquid Fertilizer
All-Purpose Liquid Fertilizer, Compost, High phosphorus
Pests and Diseases
Red blotch
Aphids, Downy mildew, Leaf rust, Mites, Squirrels
Plant Tolerance
Drought
Salt and Soil Compaction, Sun
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
Coarse
Foliage Sheen
-
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Birds
Butterflies, Hummingbirds, Squirrels
Allergy
Pollen
Nausea, Vomiting
Uses
Aesthetic Uses
Borders
-
Beauty Benefits
-
Anti-ageing, Maintains teeth healthy, Remove blemishes
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Shadow Tree, soil erosion prevension on hill slopes, Wildlife, Windbreak
Air purification, Food for animals, Food for birds, Shelter for wildlife
Plant Benefits
Medicinal Uses
Astringent, Diarrhea, Dysentry, Haemorrhages, Poultice, Sore Eyes, Sore throat
Antibiotic, anti-cancer, Anti-oxidant, Cardiovascular problems, Diarrhea, Fever, Improve heart health
Part of Plant Used
Leaves, Seeds, Wood
Fruits
Other Uses
Adhesive, Basketary, Buttons, Repellent, Tannin, Used as fuel, Used for woodware
Culinary use, Grown for shade, Oil is used in perfume, soaps, creams, etc., Used for its medicinal properties
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Shade Trees, Street Trees
Feature Plant, Fruit / Fruit Tree, Shade Trees
Botanical Name
QUERCUS douglasii
Annona reticulate
Common Name
Blue Oak
wild-sweetsop, bullock's-heart, ox-heart
In Hindi
Blue Oak Tree
ramphal
In German
Blaue Eiche
Netzannone
In French
Bleu Oak Tree
cachiman, cœur de bœuf
In Spanish
Azul del árbol de roble
Annona reticulata
In Greek
Μπλε Oak Tree
Ramphal
In Portuguese
Carvalho azul
coração-de-boi
In Polish
Niebieski Oak Tree
Flaszowiec siatkowaty
In Latin
Blue quercum ligno
Ramphal
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Fagales
Magnoliales
Family
Fagaceae
Tiliaceae
Genus
Quercus
Annona
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Magnoliids
Tribe
-
Annoneae
Subfamily
-
Annonoideae
Number of Species
20170
1
27800
👆🏻