Life Span
Biennial
Perennial
Type
Tree
Tree
Origin
Central United States, Canada
United States, California
Types
Two-petal ash, Single-leaf ash, Fragrant ash
Quercus lobata
Number of Varieties
6510
0
40000
👆🏻
Habitat
Dry areas, Hills, limestone outcrops, Moist woods
Semi desert, Subtropical climates
USDA Hardiness Zone
4-87-9
0
99
👆🏻
AHS Heat Zone
8-4
9-6
Sunset Zone
2a, 2b, 3a, 3b, 4, 5, 6
3b, 4, 5, 6, 7, 8, 9, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Upright/Erect
Spreading
Plant Size
Minimum Height
2,500.00 cm1,650.00 cm
0
3900
👆🏻
Minimum Width
100.00 cm1,680.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Green, Purple
Red, Yellow green
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Green, Tan
Sienna, Chocolate
Leaf Color in Spring
Green
Green
Leaf Color in Summer
Green
Dark Green
Leaf Color in Fall
Yellow, Light Yellow
Yellow, Yellow green, Gold
Leaf Color in Winter
-
-
Shape
Leaf Shape
Pinnate
Irregular
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun
Full Sun, Partial Sun
Growth Rate
Fast
Medium
Type of Soil
Clay, Loam
Clay, Loam
The pH of Soil
Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Drainage
Well drained
Average
Bloom Time
Spring
Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
-
Drought
Where to Plant?
Ground
Ground
How to Plant?
Seedlings, Transplanting
Seedlings, Stem Planting
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs
Form a Soil ring to water efficiently, Keep ground moist, Requires watering in the growing season, Water more in summer, 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, Alkaline
Acidic, Neutral, Alkaline
Soil Type
Clay, Loam
Clay, Loam
Soil Drainage Capacity
Well drained
Average
Sun Exposure
Full Sun
Full Sun, Partial Sun
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
Don't prune in winter, No pruning needed in the early stages, Prune if you want to improve plant shape, Remove deadheads
Fertilizers
All-Purpose Liquid Fertilizer
All-Purpose Liquid Fertilizer
Pests and Diseases
Red blotch
Fungal Diseases
Plant Tolerance
-
Drought
Flowers
Insignificant
Insignificant
Flower Petal Number
-
-
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
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Birds
Birds
Allergy
-
-
Uses
Aesthetic Uses
-
-
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Shadow Tree
Air purification
Plant Benefits
Medicinal Uses
-
-
Part of Plant Used
Inner Bark, Seeds
Bark, Leaves, Wood
Other Uses
Used as a dye, Used for woodware, Wood is used in construction
Cattle Fodder, Used by tanners in tanning leather, Used in making musical instruments, Wood is used for making furniture, Wood is used for ship building, Wood is used in construction
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Shade Trees, Street Trees
Feature Plant, Shade Trees
Botanical Name
FRAXINUS quadrangulata
QUERCUS lobata
Common Name
Blue Ash
California Swamp Oak, California White Oak, Roble Oak, Valley Oak
In Hindi
Blue Ash plant
घाटी ओक
In German
Blue Ash Pflanze
Tal Eiche
In French
usine Blue Ash
Oak Valley
In Spanish
planta de Blue Ash
valle del roble
In Greek
φυτό Blue Ash
Valley Oak
In Portuguese
planta Blue Ash
vale Oak
In Polish
Blue Ash roślin
Dolina Oak
In Latin
Blue Ash herba
Oak vallis
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
-
Class
Magnoliopsida
-
Order
Scrophulariales
Fagales
Family
Oleaceae
Fagaceae
Genus
Fraxinus
Quercus
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Eudicots, Rosids
Tribe
Oleeae
-
Subfamily
-
-
Number of Species
65600
1
27800
👆🏻