Life Span
Perennial
Biennial
Origin
North America, United States, Northwestern United States, Alaska, California, Canada
Central United States, Canada
Types
-
Two-petal ash, Single-leaf ash, Fragrant ash
Habitat
Lowland evergreen rainforest
Dry areas, Hills, limestone outcrops, Moist woods
USDA Hardiness Zone
4-7
4-8
Sunset Zone
3a, 3b, 4, 5, 6, 7, 14, 15, 16, 17
2a, 2b, 3a, 3b, 4, 5, 6
Habit
Pyramidal
Upright/Erect
Flower Color
Yellow, Red, Coral
Green, Purple
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Brown
Green, Tan
Leaf Color in Spring
Green, Dark Green
Green
Leaf Color in Summer
Dark Green
Green
Leaf Color in Fall
Dark Green
Yellow, Light Yellow
Plant Season
Spring, Summer, Fall
Spring, Summer, Fall
Sunlight
Full Sun, Partial Sun, Partial shade
Full Sun
Type of Soil
Loam, Sand
Clay, Loam
The pH of Soil
Acidic, Neutral, Alkaline
Neutral, Alkaline
Soil Drainage
Average
Well drained
Bloom Time
Early Spring
Spring
Tolerances
Maritime exposure, Salt water
-
Where to Plant?
Ground
Ground
How to Plant?
Layering, Seedlings
Seedlings, Transplanting
Plant Maintenance
Medium
Medium
Watering Requirements
Average Water Needs
Average Water Needs
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil pH
Acidic, Neutral, Alkaline
Neutral, Alkaline
Soil Type
Loam, Sand
Clay, Loam
Soil Drainage Capacity
Average
Well drained
Sun Exposure
Full Sun, Partial Sun, Partial shade
Full Sun
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer, Nitrogen
All-Purpose Liquid Fertilizer
Pests and Diseases
-
Red blotch
Plant Tolerance
Maritime exposure, Salt water
-
Flowers
Insignificant
Insignificant
Foliage Texture
Medium
Medium
Foliage Sheen
Glossy
Matte
Beauty Benefits
Skin Problems
-
Environmental Uses
Air purification, Prevent Soil Erosion, Shadow Tree
Air purification, Shadow Tree
Medicinal Uses
Anodyne, Appetizer, Astringent
-
Part of Plant Used
Flowers, Inner Bark, Sap
Inner Bark, Seeds
Other Uses
Used as a dye, used for making charcoal, Used for making informal hedge
Used as a dye, Used for woodware, Wood is used in construction
Used As Indoor Plant
No
No
Used As Outdoor Plant
Yes
Yes
Garden Design
Screening / Wind Break, Shade Trees
Shade Trees, Street Trees
Botanical Name
ALNUS rubra
FRAXINUS quadrangulata
Common Name
Oregon Alder, Red Alder
Blue Ash
In Hindi
red alder
Blue Ash plant
In German
rot-Erle
Blue Ash Pflanze
In French
aulne rouge
usine Blue Ash
In Spanish
aliso rojo
planta de Blue Ash
In Greek
κόκκινη σκλήθρα
φυτό Blue Ash
In Portuguese
amieiro vermelho
planta Blue Ash
In Polish
czerwony olcha
Blue Ash roślin
In Latin
red alnus
Blue Ash herba
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Fagales
Scrophulariales
Family
Betulaceae
Oleaceae
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Asterids, Eudicots