Life Span
Perennial
Annual
Type
Tree
Tree
Origin
North America, United States, Northwestern United States, Alaska, California, Canada
North America, United States, Mid-Atlantic United States, Southeastern United States
Types
-
Tree
Number of Varieties
303
0
40000
👆🏻
Habitat
Lowland evergreen rainforest
Banks, Woods
USDA Hardiness Zone
4-74-8
0
99
👆🏻
AHS Heat Zone
7-1
8-1
Sunset Zone
3a, 3b, 4, 5, 6, 7, 14, 15, 16, 17
2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 17
Habit
Pyramidal
Oval or Rounded
Plant Size
Minimum Height
1,370.00 cm610.00 cm
0
3900
👆🏻
Minimum Width
610.00 cm610.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Yellow, Red, Coral
White
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Brown
Red
Leaf Color in Spring
Green, Dark Green
Green, Purple
Leaf Color in Summer
Dark Green
Green, Dark Green
Leaf Color in Fall
Dark Green
Red, Orange
Leaf Color in Winter
-
-
Shape
Leaf Shape
Ovate
Broadly Ovate
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun, Partial shade
Full Sun
Growth Rate
Fast
Medium
Type of Soil
Loam, Sand
Clay, Loam, Sand
The pH of Soil
Acidic, Neutral, Alkaline
Acidic, Neutral
Soil Drainage
Average
Well drained
Bloom Time
Early Spring
Late Spring, Early Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Maritime exposure, Salt water
-
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, Do Not over Water
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
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
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
Medium
Foliage Sheen
Glossy
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Insects
Birds
Allergy
-
-
Uses
Aesthetic Uses
-
Landscape Designing, Showy Purposes
Beauty Benefits
Skin Problems
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Prevent Soil Erosion, Shadow Tree
Air purification
Plant Benefits
Medicinal Uses
Anodyne, Appetizer, Astringent
Heart problems
Part of Plant Used
Flowers, Inner Bark, Sap
Flowers, Leaves
Other Uses
Used as a dye, used for making charcoal, Used for making informal hedge
Culinary use, Used As Food, Used for its medicinal properties
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Screening / Wind Break, Shade Trees
Feature Plant, Hedges, Screening / Wind Break, Shade Trees, Street Trees
Botanical Name
ALNUS rubra
CRATAEGUS phaenopyrum
Common Name
Oregon Alder, Red Alder
Washington Hawthorn
In Hindi
red alder
Washington Hawthorn
In German
rot-Erle
Washington Hagedorn
In French
aulne rouge
washington aubépine
In Spanish
aliso rojo
espino Washington
In Greek
κόκκινη σκλήθρα
washington hawthorn
In Portuguese
amieiro vermelho
washington espinheiro
In Polish
czerwony olcha
Washington głogu
In Latin
red alnus
Washington alba
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Fagales
Rosales
Family
Betulaceae
Rosaceae
Genus
Alnus
Crataegus
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Eudicots, Rosids
Tribe
-
-
Subfamily
-
-
Number of Species
35100
1
27800
👆🏻