Life Span
Perennial
Perennial
Type
Shrub
Tree
Origin
Eastern Africa, Southern Africa
North America, United States, Northwestern United States, Alaska, California, Canada
Types
Epigeal, Hypogeal
-
Number of Varieties
230
0
40000
👆🏻
Habitat
Coastal sand dunes, Wild
Lowland evergreen rainforest
USDA Hardiness Zone
10-154-7
0
99
👆🏻
AHS Heat Zone
12-1
7-1
Sunset Zone
7, 8, 9, 12, 13, 14, 15, 16, 18, 19, 20, 21, 22, 23, 24
3a, 3b, 4, 5, 6, 7, 14, 15, 16, 17
Habit
-
Pyramidal
Plant Size
Minimum Height
30.00 cm1,370.00 cm
0
3900
👆🏻
Minimum Width
30.00 cm610.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Yellow, Red, Green, Orange
Yellow, Red, Coral
Flower Color Modifier
-
Bicolor
Fruit Color
Green
Brown
Leaf Color in Spring
Green, Blue Green
Green, Dark Green
Leaf Color in Summer
Green, Blue Green
Dark Green
Leaf Color in Fall
Green, Blue Green
Dark Green
Leaf Color in Winter
-
-
Shape
Leaf Shape
Reniform
Ovate
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun, Partial shade
Growth Rate
Medium
Fast
Type of Soil
Sand
Loam, Sand
The pH of Soil
Neutral
Acidic, Neutral, Alkaline
Soil Drainage
Well drained
Average
Bloom Time
Indeterminate
Early Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Maritime exposure, Salt water
Where to Plant?
Container, Ground, Pot
Ground
How to Plant?
reseeds, root cutting
Layering, Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Do Not over Water, Keep the Soil well drained
Average Water Needs
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Neutral
Acidic, Neutral, Alkaline
Soil Type
Sand
Loam, Sand
Soil Drainage Capacity
Well drained
Average
Sun Exposure
Full Sun, Partial Sun
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
All-Purpose Liquid Fertilizer, Nitrogen
Pests and Diseases
Red blotch
-
Plant Tolerance
Drought
Maritime exposure, Salt water
Flowers
Showy
Insignificant
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
Bold
Medium
Foliage Sheen
Matte
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
-
Insects
Allergy
Kidney Disease
-
Uses
Aesthetic Uses
Formal Garden, Hanging Basket
-
Beauty Benefits
-
Skin Problems
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification, Prevent Soil Erosion, Shadow Tree
Plant Benefits
Medicinal Uses
-
Anodyne, Appetizer, Astringent
Part of Plant Used
Beans
Flowers, Inner Bark, Sap
Other Uses
Basketary, Edible seed
Used as a dye, used for making charcoal, Used for making informal hedge
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Container, Houseplant, Mixed Border, Rock Garden, Wall
Screening / Wind Break, Shade Trees
Botanical Name
COTYLEDON
ALNUS rubra
Common Name
Pig's ear, Dog's ear
Oregon Alder, Red Alder
In Hindi
बीजपत्र
red alder
In German
Cotyledon
rot-Erle
In French
Cotyledon
aulne rouge
In Spanish
Cotyledon
aliso rojo
In Greek
κοτυληδών kotylēdōn
κόκκινη σκλήθρα
In Portuguese
Cotyledon
amieiro vermelho
In Polish
Liścień
czerwony olcha
In Latin
Cotyledon
red alnus
Kingdom
Plantae
Plantae
Phylum
-
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Rosales
Fagales
Family
Crassulaceae
Betulaceae
Genus
Cotyledon L.
Alnus
Clade
Rosids
Angiosperms, Eudicots, Rosids
Tribe
-
-
Subfamily
-
-
Number of Species
1235
1
27800
👆🏻