Life Span
Perennial
Perennial
Type
Tree
Shrub
Origin
North America, United States, Northwestern United States, Alaska, California, Canada
-
Types
-
-
Number of Varieties
3050
0
40000
👆🏻
Habitat
Lowland evergreen rainforest
Coastal Mountains, Coastal Regions, Hillside, Open Forest, Rocky areas
USDA Hardiness Zone
4-75-8
0
99
👆🏻
AHS Heat Zone
7-1
10-7
Sunset Zone
3a, 3b, 4, 5, 6, 7, 14, 15, 16, 17
5, 6, 7, 8, 9, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Pyramidal
Cushion/Mound-forming
Plant Size
Minimum Height
1,370.00 cm60.00 cm
0
3900
👆🏻
Minimum Width
610.00 cm60.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Yellow, Red, Coral
Pink, Light Pink
Flower Color Modifier
Bicolor
-
Fruit Color
Brown
Hot Pink
Leaf Color in Spring
Green, Dark Green
Dark Green
Leaf Color in Summer
Dark Green
Dark Green
Leaf Color in Fall
Dark Green
Dark Green
Leaf Color in Winter
-
-
Shape
Leaf Shape
Ovate
Oval
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall
Summer
Growing Conditions
Sunlight
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun, Partial shade
Growth Rate
Fast
Fast
Type of Soil
Loam, Sand
Loam
The pH of Soil
Acidic, Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Drainage
Average
Well drained
Bloom Time
Early Spring
Late Spring, Early Summer, Early Fall
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Maritime exposure, Salt water
Drought
Where to Plant?
Ground
Ground, Pot
How to Plant?
Layering, Seedlings
Seedlings, Stem Planting
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs
Average Water Needs, Do Not over Water, Never Over-water, Water Deeply
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, Alkaline
Soil Type
Loam, Sand
Loam
Soil Drainage Capacity
Average
Well drained
Sun Exposure
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun, Partial shade
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
Butterflies
Allergy
-
Asthma, breathing problems
Uses
Aesthetic Uses
-
Beautification, Bouquets, Landscape Designing, Showy Purposes
Beauty Benefits
Skin Problems
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Prevent Soil Erosion, Shadow Tree
Air purification, Food for animals, Prevent Soil Erosion
Plant Benefits
Medicinal Uses
Anodyne, Appetizer, Astringent
Diarrhea, Inflammation, Jaundice
Part of Plant Used
Flowers, Inner Bark, Sap
Flowers
Other Uses
Used as a dye, used for making charcoal, Used for making informal hedge
Can be made into a herbal tea
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Screening / Wind Break, Shade Trees
Container, Feature Plant, Foundation, Mixed Border, Rock Garden, Wall, Topiary, Bonsai, Espalier
Botanical Name
ALNUS rubra
CEANOTHUS x pallidus
Common Name
Oregon Alder, Red Alder
Wild lilac
In Hindi
red alder
Ceanothus
In German
rot-Erle
Ceanothus
In French
aulne rouge
Ceanothus
In Spanish
aliso rojo
Ceanothus
In Greek
κόκκινη σκλήθρα
Ceanothus
In Portuguese
amieiro vermelho
Ceanothus
In Polish
czerwony olcha
Ceanothus
In Latin
red alnus
Ceanothus
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Fagales
Rosales
Family
Betulaceae
Rhamnaceae
Genus
Alnus
Ceanothus
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Eudicots
Tribe
-
-
Subfamily
-
-
Number of Species
3570
1
27800
👆🏻