Life Span
Perennial
Annual
Type
Tree
Epiphyte
Origin
North America, United States, Northwestern United States, Alaska, California, Canada
Southeastern Asia, China, Japan, Melanesia
Types
-
-
Number of Varieties
30300
0
40000
👆🏻
Habitat
Lowland evergreen rainforest
Humid climates, Subtropical climates
USDA Hardiness Zone
4-711-15
0
99
👆🏻
AHS Heat Zone
7-1
12-10
Sunset Zone
3a, 3b, 4, 5, 6, 7, 14, 15, 16, 17
-
Habit
Pyramidal
Clump-Forming
Plant Size
Minimum Height
1,370.00 cm25.50 cm
0
3900
👆🏻
Minimum Width
610.00 cm25.40 cm
0
6350
👆🏻
Plant Color
Flower Color
Yellow, Red, Coral
White, Light Yellow, Violet, Ivory
Flower Color Modifier
Bicolor
-
Fruit Color
Brown
-
Leaf Color in Spring
Green, Dark Green
Green, Light Green
Leaf Color in Summer
Dark Green
Green, Light Green
Leaf Color in Fall
Dark Green
Green, Light Green
Leaf Color in Winter
-
Green, Light Green
Shape
Leaf Shape
Ovate
Subulate
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun, Partial shade
Partial shade
Growth Rate
Fast
Slow
Type of Soil
Loam, Sand
-
The pH of Soil
Acidic, Neutral, Alkaline
-
Soil Drainage
Average
Well drained
Bloom Time
Early Spring
Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Maritime exposure, Salt water
-
Where to Plant?
Ground
Ground
How to Plant?
Layering, Seedlings
Divison
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs
Allow to dry out slightly between watering
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Acidic, Neutral, Alkaline
-
Soil Type
Loam, Sand
-
Soil Drainage Capacity
Average
Well drained
Sun Exposure
Full Sun, Partial Sun, Partial shade
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
Coarse
Foliage Sheen
Glossy
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Insects
-
Allergy
-
-
Uses
Aesthetic Uses
-
Beautification, Bonsai, Borders
Beauty Benefits
Skin Problems
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Prevent Soil Erosion, Shadow Tree
Air purification
Plant Benefits
Medicinal Uses
Anodyne, Appetizer, Astringent
-
Part of Plant Used
Flowers, Inner Bark, Sap
Flowers
Other Uses
Used as a dye, used for making charcoal, Used for making informal hedge
Used as Ornamental plant
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Screening / Wind Break, Shade Trees
Container, Hanging Basket, Houseplant, Rock Garden / Wall, Tropical
Botanical Name
ALNUS rubra
ERIA merrillii
Common Name
Oregon Alder, Red Alder
Eria, Orchid
In Hindi
red alder
Eria
In German
rot-Erle
Eria
In French
aulne rouge
Eria
In Spanish
aliso rojo
Eria
In Greek
κόκκινη σκλήθρα
eria
In Portuguese
amieiro vermelho
eria
In Polish
czerwony olcha
Eria
In Latin
red alnus
Pinalia
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Tracheophyta
Class
Magnoliopsida
Liliopsida
Order
Fagales
Asparagales
Family
Betulaceae
Orchidaceae
Genus
Alnus
Pinus
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Monocots
Tribe
-
Podochileae
Subfamily
-
Epidendroideae
Number of Species
35500
1
27800
👆🏻