Life Span
Perennial
Annual
Type
Tree
Grass
Origin
United States, California
Eastern Africa, Northern Africa, Southern Asia, Southeastern Asia
Types
-
Akia Beruin Red, Ofada Rice, Topaz
Number of Varieties
840000
0
40000
👆🏻
Habitat
Woodland Garden Canopy
Muddy habitat
USDA Hardiness Zone
6-98-15
0
99
👆🏻
AHS Heat Zone
9-1
12 - 1
Sunset Zone
3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
-
Habit
Spreading
Clump-Forming
Plant Size
Minimum Height
1,520.00 cm-
0
3900
👆🏻
Minimum Width
1,370.00 cm22.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Red, Yellow green
White
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
White
Leaf Color in Spring
Green, Blue Green
Green
Leaf Color in Summer
Green, Blue Green
Light Green
Leaf Color in Fall
Yellow, Orange, Pink
Green
Leaf Color in Winter
-
-
Shape
Leaf Shape
Irregular
Grass like
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Summer, Fall
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun
Growth Rate
Slow
Very Fast
Type of Soil
-
Clay, Loam
The pH of Soil
-
Acidic, Neutral, Alkaline
Soil Drainage
-
Average
Bloom Time
Spring
-
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Wet Site, Salt
Where to Plant?
Ground
Ground
How to Plant?
Seedlings
Seedlings, Transplanting
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs
Keep plant submerged in water
In Summer
Lots of watering
Ample Water
In Spring
Moderate
Lots of watering
In Winter
Average Water
Consistently
Soil
Soil pH
-
Acidic, Neutral, Alkaline
Soil Type
-
Clay, Loam
Soil Drainage Capacity
-
Average
Sun Exposure
Full Sun, Partial Sun
Full Sun
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves, Remove dead or diseased plant parts
-
Fertilizers
All-Purpose Liquid Fertilizer
Fertilize the soil before planting, Phosphorous, Potassium
Pests and Diseases
Red blotch
Bacteria, Birds, fungus, Nematodes, Rats, Snails, Viruses
Plant Tolerance
Drought
Salt, Wet Site
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
-
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Birds
Birds
Allergy
Pollen
-
Uses
Aesthetic Uses
Borders
-
Beauty Benefits
-
Good for skin
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Shadow Tree, soil erosion prevension on hill slopes, Wildlife, Windbreak
Air purification, Prevent Soil Erosion
Plant Benefits
Medicinal Uses
Astringent, Diarrhea, Dysentry, Haemorrhages, Poultice, Sore Eyes, Sore throat
Energy, High blood pressure, Skin Disorders, Swelling
Part of Plant Used
Leaves, Seeds, Wood
Seeds
Other Uses
Adhesive, Basketary, Buttons, Repellent, Tannin, Used as fuel, Used for woodware
Starch, Used as a nutritious food item, Used As Food
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Shade Trees, Street Trees
Container, Dried Flower/Everlasting, Edible, Herb / Vegetable, Houseplant, Tropical, Water Gardens
Botanical Name
QUERCUS douglasii
ORYZA
Common Name
Blue Oak
Rice
In Hindi
Blue Oak Tree
चावल
In German
Blaue Eiche
Reis
In French
Bleu Oak Tree
riz
In Spanish
Azul del árbol de roble
arroz
In Greek
Μπλε Oak Tree
ρύζι
In Portuguese
Carvalho azul
arroz
In Polish
Niebieski Oak Tree
ryż
In Latin
Blue quercum ligno
rice
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Liliopsida
Order
Fagales
Cyperales
Family
Fagaceae
Poaceae
Genus
Quercus
Oryza
Clade
Angiosperms, Eudicots, Rosids
-
Tribe
-
-
Subfamily
-
-
Number of Species
2025
1
27800
👆🏻