Life Span
Perennial
Perennial
Type
Tree
Tree
Origin
North America, United States, Northwestern United States, Alaska, California, Canada
Northeastern United States, Mid-Atlantic United States, Central United States, Canada
Types
-
Blue ash, Single-leaf ash, Fragrant ash
Number of Varieties
3045
0
40000
👆🏻
Habitat
Lowland evergreen rainforest
Moist Soils
USDA Hardiness Zone
4-73-7
0
99
👆🏻
AHS Heat Zone
7-1
7-1
Sunset Zone
3a, 3b, 4, 5, 6, 7, 14, 15, 16, 17
-
Habit
Pyramidal
Upright/Erect
Plant Size
Minimum Height
1,370.00 cm1,220.00 cm
0
3900
👆🏻
Minimum Width
610.00 cm610.00 cm
0
6350
👆🏻
Plant Color
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, Dark Green
Leaf Color in Summer
Dark Green
Dark Green
Leaf Color in Fall
Dark Green
Yellow, Yellow green, Brown, Bronze
Leaf Color in Winter
-
-
Shape
Leaf Shape
Ovate
Pinnate
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall
Spring, Summer
Growing Conditions
Sunlight
Full Sun, Partial Sun, Partial shade
Full Sun
Growth Rate
Fast
Fast
Type of Soil
Loam, Sand
Clay, Loam, Sand
The pH of Soil
Acidic, Neutral, Alkaline
Acidic, Neutral
Soil Drainage
Average
Average
Bloom Time
Early Spring
Early Spring, Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Maritime exposure, Salt water
Wet Site
Where to Plant?
Ground
Ground
How to Plant?
Layering, Seedlings
Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
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
Soil pH
Acidic, Neutral, Alkaline
Acidic, Neutral
Soil Type
Loam, Sand
Clay, Loam, Sand
Soil Drainage Capacity
Average
Average
Sun Exposure
Full Sun, Partial Sun, Partial shade
Full Sun
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
Prune in fall, Prune in winter, Prune when plant is dormant, Remove branches, Remove damaged leaves, Remove dead branches, Remove dead leaves, Remove dead or diseased plant parts, Remove short twigs
Fertilizers
All-Purpose Liquid Fertilizer, Nitrogen
All-Purpose Liquid Fertilizer
Pests and Diseases
-
Red blotch
Plant Tolerance
Maritime exposure, Salt water
Wet Site
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
Glossy
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Insects
Birds
Allergy
-
-
Uses
Aesthetic Uses
-
Showy Purposes
Beauty Benefits
Skin Problems
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Prevent Soil Erosion, Shadow Tree
Air purification, Nesting sites for birds, Wildlife, Windbreak
Plant Benefits
Medicinal Uses
Anodyne, Appetizer, Astringent
Antirheumatic, Diaphoretic, Diuretic, Fever, Gout, Laxative, Ophthalmic, Purgative, Sore Eyes, Sore throat, Tonic
Part of Plant Used
Flowers, Inner Bark, Sap
Inner Bark, Leaves, Tree trunks
Other Uses
Used as a dye, used for making charcoal, Used for making informal hedge
Basketary, Used as a dye, Used as fuel, Used for woodware
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Screening / Wind Break, Shade Trees
Shade Trees, Water Gardens
Botanical Name
ALNUS rubra
FRAXINUS nigra
Common Name
Oregon Alder, Red Alder
Black Ash, Brown Ash, Swamp Ash
In Hindi
red alder
Black Ash plant
In German
rot-Erle
Black Ash Pflanze
In French
aulne rouge
plante Black Ash
In Spanish
aliso rojo
planta de negro de Ceniza
In Greek
κόκκινη σκλήθρα
φυτό μαύρη τέφρα
In Portuguese
amieiro vermelho
planta Black Ash
In Polish
czerwony olcha
Black Ash roślin
In Latin
red alnus
Black ash herba
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Fagales
Scrophulariales
Family
Betulaceae
Oleaceae
Genus
Alnus
Fraxinus
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Asterids, Eudicots
Tribe
-
Oleeae
Subfamily
-
-
Number of Species
3518
1
27800
👆🏻