Life Span
Perennial
Perennial
Type
Tree
Broadleaf Evergreen
Origin
North America, United States, Northwestern United States, Alaska, California, Canada
Australia
Types
-
-
Number of Varieties
3035
0
40000
👆🏻
Habitat
Lowland evergreen rainforest
Sunny Edge, Woodland Garden Secondary
USDA Hardiness Zone
4-79-11
0
99
👆🏻
AHS Heat Zone
7-1
-
Sunset Zone
3a, 3b, 4, 5, 6, 7, 14, 15, 16, 17
21,22
Habit
Pyramidal
Oval or Rounded
Plant Size
Minimum Height
1,370.00 cm610.00 cm
0
3900
👆🏻
Minimum Width
610.00 cm460.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Yellow, Red, Coral
White, Ivory
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Brown
-
Leaf Color in Spring
Green, Dark Green
Green, Dark Green
Leaf Color in Summer
Dark Green
Green, Dark Green
Leaf Color in Fall
Dark Green
Green, Dark Green
Leaf Color in Winter
-
Green, Dark Green
Shape
Leaf Shape
Ovate
Linear to lanceolate
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun, Partial shade
Full Sun
Growth Rate
Fast
Slow
Type of Soil
Loam, Sand
Loam, Sand
The pH of Soil
Acidic, Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Drainage
Average
Well drained
Bloom Time
Early Spring
Early Spring, Fall, Late Winter
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Maritime exposure, Salt water
Pollution, Drought
Where to Plant?
Ground
Ground
How to Plant?
Layering, Seedlings
Cuttings, Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs
Water regularly for 2 months
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, 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
Pruning may be required for height clearance
Fertilizers
All-Purpose Liquid Fertilizer, Nitrogen
Does not require fertilizer once established
Pests and Diseases
-
-
Plant Tolerance
Maritime exposure, Salt water
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
Fine
Foliage Sheen
Glossy
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Insects
Blowflies, Insects
Allergy
-
Mild Allergen
Uses
Aesthetic Uses
-
-
Beauty Benefits
Skin Problems
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Prevent Soil Erosion, Shadow Tree
Air purification
Plant Benefits
Medicinal Uses
Anodyne, Appetizer, Astringent
Anodyne, Odontalgic
Part of Plant Used
Flowers, Inner Bark, Sap
Wood
Other Uses
Used as a dye, used for making charcoal, Used for making informal hedge
Used as a fodder tree in agricultural areas, Useful for shade
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, Topiary, Bonsai, Espalier
Botanical Name
ALNUS rubra
GEIJERA parviflora
Common Name
Oregon Alder, Red Alder
Wilga, Native Willow
In Hindi
red alder
Wilga
In German
rot-Erle
Pirol
In French
aulne rouge
loriot
In Spanish
aliso rojo
oriol
In Greek
κόκκινη σκλήθρα
φλώρος
In Portuguese
amieiro vermelho
papa-figos
In Polish
czerwony olcha
Wilga
In Latin
red alnus
oriole
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Charophyta
Class
Magnoliopsida
Equisetopsida
Order
Fagales
Sapindales
Family
Betulaceae
Rutaceae
Genus
Alnus
Geijera
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Eudicots, Rosids
Tribe
-
-
Subfamily
-
-
Number of Species
3545
1
27800
👆🏻