Life Span
Perennial
Perennial
Type
Tree
Grass
Origin
United States, California
North America, United States, Western United States, Southwestern United States, Mexico
Types
-
Grasses
Number of Varieties
81
0
40000
👆🏻
Habitat
Woodland Garden Canopy
Dry areas
USDA Hardiness Zone
6-93-9
0
99
👆🏻
AHS Heat Zone
9-1
9 - 5
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, 7, 8, 9, 10, 11, 14, 18, 19, 20, 21
Habit
Spreading
Clump-Forming
Plant Size
Minimum Height
1,520.00 cm45.70 cm
0
3900
👆🏻
Minimum Width
1,370.00 cm25.40 cm
0
6350
👆🏻
Plant Color
Flower Color
Red, Yellow green
White hair and some brown spots on margins and at tips
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
-
Leaf Color in Spring
Green, Blue Green
Green, Gray Green
Leaf Color in Summer
Green, Blue Green
Light Green
Leaf Color in Fall
Yellow, Orange, Pink
Purple, Gray Green
Leaf Color in Winter
-
Tan
Shape
Leaf Shape
Irregular
Grass like
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun
Growth Rate
Slow
Fast
Type of Soil
-
Clay, Loam, Sand
The pH of Soil
-
Neutral, Alkaline
Soil Drainage
-
Well drained
Bloom Time
Spring
Summer, Late Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Pollution, Drought
Where to Plant?
Ground
Ground
How to Plant?
Seedlings
Divison, Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs
Medium
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
-
Neutral, Alkaline
Soil Type
-
Clay, Loam, Sand
Soil Drainage Capacity
-
Well drained
Sun Exposure
Full Sun, Partial Sun
Full Sun
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
Beetles, Grasshoppers
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
-
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Birds
Butterflies
Allergy
Pollen
-
Uses
Aesthetic Uses
Borders
Showy Purposes
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Shadow Tree, soil erosion prevension on hill slopes, Wildlife, Windbreak
Air purification, Erosion control
Plant Benefits
Medicinal Uses
Astringent, Diarrhea, Dysentry, Haemorrhages, Poultice, Sore Eyes, Sore throat
Cuts
Part of Plant Used
Leaves, Seeds, Wood
Leaves
Other Uses
Adhesive, Basketary, Buttons, Repellent, Tannin, Used as fuel, Used for woodware
Used to feed livestock
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Shade Trees, Street Trees
Dried Flower/Everlasting, Lawns and Turf, Mixed Border, Rock Garden / Wall
Botanical Name
QUERCUS douglasii
BOUTELOUA gracilis
Common Name
Blue Oak
Blue Grama Grass, Mosquito Grass
In Hindi
Blue Oak Tree
Bouteloua gracilis
In German
Blaue Eiche
Bouteloua Gracilis
In French
Bleu Oak Tree
Bouteloua aristidoides
In Spanish
Azul del árbol de roble
Chondrosum gracile
In Greek
Μπλε Oak Tree
Bouteloua gracilis
In Portuguese
Carvalho azul
Bouteloua Gracilis
In Polish
Niebieski Oak Tree
Bouteloua Gracilis
In Latin
Blue quercum ligno
Bouteloua Gracilis
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Liliopsida
Order
Fagales
Cyperales
Family
Fagaceae
Poaceae
Genus
Quercus
Bouteloua
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Commelinids, Monocots
Tribe
-
Cynodonteae
Subfamily
-
Chloridoideae
Number of Species
20100
1
27800
👆🏻