Life Span
Perennial
Annual
Type
Tree
Sedge or Rush
Origin
United States, California
Southern Europe, United Kingdom, Northern Africa
Types
-
-
Number of Varieties
820
0
40000
👆🏻
Habitat
Woodland Garden Canopy
Grassland, Humid climates, Riverbanks, Wet forest
USDA Hardiness Zone
6-98-11
0
99
👆🏻
AHS Heat Zone
9-1
11-1
Sunset Zone
3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Spreading
Arching/Fountain-shaped
Plant Size
Minimum Height
1,520.00 cm15.20 cm
0
3900
👆🏻
Minimum Width
1,370.00 cm45.70 cm
0
6350
👆🏻
Plant Color
Flower Color
Red, Yellow green
White
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
-
Leaf Color in Spring
Green, Blue Green
Green
Leaf Color in Summer
Green, Blue Green
Green
Leaf Color in Fall
Yellow, Orange, Pink
Green
Leaf Color in Winter
-
Green
Shape
Leaf Shape
Irregular
Linear
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun, Partial shade
Growth Rate
Slow
Slow
Type of Soil
-
Loam
The pH of Soil
-
Neutral
Soil Drainage
-
Poorly Drained
Bloom Time
Spring
Indeterminate
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Drought
Where to Plant?
Ground
Container, Ground, Pot
How to Plant?
Seedlings
Seedlings, Stem Planting
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs
Keep the ground moist but not water-logged, Requires regular watering, Water when soil is dry
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
-
Neutral
Soil Type
-
Loam
Soil Drainage Capacity
-
Poorly Drained
Sun Exposure
Full Sun, Partial Sun
Full Sun, Partial Sun, Partial shade
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves, Remove dead or diseased plant parts
Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer
All-Purpose Liquid Fertilizer
Pests and Diseases
Red blotch
Red blotch
Plant Tolerance
Drought
Drought
Flowers
Insignificant
Showy
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
Fine
Foliage Sheen
-
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Birds
Insects
Allergy
Pollen
Asthma, Skin irritation
Uses
Aesthetic Uses
Borders
Beautification
Beauty Benefits
-
-
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
Digestion problems, Fever
Part of Plant Used
Leaves, Seeds, Wood
Whole plant
Other Uses
Adhesive, Basketary, Buttons, Repellent, Tannin, Used as fuel, Used for woodware
Showy Purposes, Used as Ornamental plant
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Shade Trees, Street Trees
Bog Garden, Container, Edging, Rock Garden / Wall
Botanical Name
QUERCUS douglasii
ISOLEPIS cernua
Common Name
Blue Oak
Low Bulrush
Slender Clubrush
In Hindi
Blue Oak Tree
फाइबर ऑप्टिक घास
In German
Blaue Eiche
Lichtwellenleiter-Gras
In French
Bleu Oak Tree
Fibre optique Herbe
In Spanish
Azul del árbol de roble
Hierba de fibra óptica
In Greek
Μπλε Oak Tree
Οπτικών Ινών Grass
In Portuguese
Carvalho azul
Fibra Óptica Relva
In Polish
Niebieski Oak Tree
Światłowody Trawa
In Latin
Blue quercum ligno
Fiber opticus Grass
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
-
Class
Magnoliopsida
-
Order
Fagales
Poales
Family
Fagaceae
Cyperaceae
Genus
Quercus
Isolepis
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Commelinids, Monocots
Tribe
-
-
Subfamily
-
Pooideae
Number of Species
2070
1
27800
👆🏻