Life Span
Perennial
Perennial
Type
Tree
Fruit
Origin
United States, California
Southern Asia, India, China
Types
-
-
Number of Varieties
865
0
40000
👆🏻
Habitat
Woodland Garden Canopy
Humid climates, Warmer regions
USDA Hardiness Zone
6-98-10
0
99
👆🏻
AHS Heat Zone
9-1
12-4
Sunset Zone
3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
H1, H2, 22, 23, 24
Habit
Spreading
Oval or Rounded
Plant Size
Minimum Height
1,520.00 cm910.00 cm
0
3900
👆🏻
Minimum Width
1,370.00 cm1,220.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Red, Yellow green
White, Ivory
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
Gold, Tan
Leaf Color in Spring
Green, Blue Green
Red, 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
-
Light Green
Shape
Leaf Shape
Irregular
Ovate
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
Very Fast
Type of Soil
-
Loam, Sand
The pH of Soil
-
Acidic, Neutral, Alkaline
Soil Drainage
-
Well drained
Bloom Time
Spring
Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Drought
Where to Plant?
Ground
Ground
How to Plant?
Seedlings
Divison, Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs
Does not require lot of watering
In Summer
Lots of watering
Less Watering
In Spring
Moderate
Adequately
In Winter
Average Water
Ample Water
Soil
Soil pH
-
Acidic, Neutral, Alkaline
Soil Type
-
Loam, Sand
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
Don't prune in winter, No pruning needed in the early stages
Fertilizers
All-Purpose Liquid Fertilizer
All-Purpose Liquid Fertilizer, Fertilize three times a year, very little fertilizers at a time
Pests and Diseases
Red blotch
Caterpillars, Scale, Spider mites
Plant Tolerance
Drought
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
Coarse
Foliage Sheen
-
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Birds
Birds, Butterflies
Allergy
Pollen
-
Uses
Aesthetic Uses
Borders
-
Beauty Benefits
-
Skin Problems
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Shadow Tree, soil erosion prevension on hill slopes, Wildlife, Windbreak
-
Plant Benefits
Medicinal Uses
Astringent, Diarrhea, Dysentry, Haemorrhages, Poultice, Sore Eyes, Sore throat
Heart problems, Skin Disorders, Vitamin C
Part of Plant Used
Leaves, Seeds, Wood
Fruits
Other Uses
Adhesive, Basketary, Buttons, Repellent, Tannin, Used as fuel, Used for woodware
Used As Food, Used for its medicinal properties
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Shade Trees, Street Trees
Edible, Fruit / Fruit Tree, Shade Trees, Tropical
Botanical Name
QUERCUS douglasii
DIMOCARPUS longan
Common Name
Blue Oak
Longan
In Hindi
Blue Oak Tree
Longan
In German
Blaue Eiche
Longan
In French
Bleu Oak Tree
longane
In Spanish
Azul del árbol de roble
Longan
In Greek
Μπλε Oak Tree
Longan
In Portuguese
Carvalho azul
Longan
In Polish
Niebieski Oak Tree
Longan
In Latin
Blue quercum ligno
Longan
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Tracheophyta
Class
Magnoliopsida
Magnoliopsida
Order
Fagales
Sapindales
Family
Fagaceae
Sapindaceae
Genus
Quercus
Dimocarpus
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Eudicots, Rosids
Tribe
-
-
Subfamily
-
-
Number of Species
2065
1
27800
👆🏻