Life Span
Perennial
Perennial
Type
Perennial
Tree
Origin
-
North America, United States, Northwestern United States, Alaska, California, Canada
Types
Primula auricula, Bear's Ear
-
Number of Varieties
2530
0
40000
👆🏻
Habitat
Rocky Mountains
Lowland evergreen rainforest
USDA Hardiness Zone
4-94-7
0
99
👆🏻
AHS Heat Zone
9-1
7-1
Sunset Zone
4, 5, 6, 7, 8, 9, 10, 11, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
3a, 3b, 4, 5, 6, 7, 14, 15, 16, 17
Habit
Oval or Rounded
Pyramidal
Plant Size
Minimum Height
20.00 cm1,370.00 cm
0
3900
👆🏻
Minimum Width
25.00 cm610.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Yellow, Yellow Orange
Yellow, Red, Coral
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
Brown
Leaf Color in Spring
Green
Green, Dark Green
Leaf Color in Summer
Green
Dark Green
Leaf Color in Fall
Green, Light Yellow, Brown
Dark Green
Leaf Color in Winter
Light Green
-
Shape
Leaf Shape
Oblong
Ovate
Thorns
✔
✘
✔
✘
Plant Season
Spring, Fall
Spring, Summer, Fall
Growing Conditions
Sunlight
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun, Partial shade
Growth Rate
Medium
Fast
Type of Soil
Clay, Loam, Sand
Loam, Sand
The pH of Soil
Acidic, Neutral
Acidic, Neutral, Alkaline
Soil Drainage
Well drained
Average
Bloom Time
Early Spring, Spring
Early Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Maritime exposure, Salt water
Where to Plant?
Container, Ground, Pot
Ground
How to Plant?
Divison, Seedlings, Stem Planting
Layering, Seedlings
Plant Maintenance
Low
Medium
Watering Plants
Watering Requirements
Average Water Needs, Do Not over Water, Never Over-water, Requires regular watering, Water more in summer
Average Water Needs
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Acidic, Neutral
Acidic, Neutral, Alkaline
Soil Type
Clay, Loam, 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 dead or diseased plant parts
Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer, fertilize in growing season
All-Purpose Liquid Fertilizer, Nitrogen
Pests and Diseases
-
-
Plant Tolerance
Variety of soil types
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
Medium
Medium
Foliage Sheen
Matte
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
-
Insects
Allergy
-
-
Uses
Aesthetic Uses
Beautification, Borders, Landscape Designing, Showy Purposes
-
Beauty Benefits
Good for skin, Making cosmetics, Stops hair loss
Skin Problems
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Food for insects, Versatility
Air purification, Prevent Soil Erosion, Shadow Tree
Plant Benefits
Medicinal Uses
Eczema
Anodyne, Appetizer, Astringent
Part of Plant Used
Root
Flowers, Inner Bark, Sap
Other Uses
Decoration Purposes, Medicinal oil, Showy Purposes, Used as Ornamental plant, Used for its medicinal properties
Used as a dye, used for making charcoal, Used for making informal hedge
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Edible, Feature Plant, Fruit / Fruit Tree
Screening / Wind Break, Shade Trees
Botanical Name
Primula auricula
ALNUS rubra
Common Name
auricula, mountain cowslip or bear's ear
Oregon Alder, Red Alder
In Hindi
mountain cowslip
red alder
In German
Aurikel
rot-Erle
In French
Primula auricula
aulne rouge
In Spanish
Primula auricula
aliso rojo
In Greek
mountain cowslip
κόκκινη σκλήθρα
In Portuguese
cowslip montanha
amieiro vermelho
In Polish
Pierwiosnek łyszczak
czerwony olcha
In Latin
Primula auricula
red alnus
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Ericales
Fagales
Family
Primulaceae
Betulaceae
Genus
Primula
Alnus
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Eudicots, Rosids
Tribe
-
-
Subfamily
Primuloideae
-
Number of Species
2535
1
27800
👆🏻