Life Span
Perennial
Perennial
Type
Perennial
Perennial
Origin
North America, United States, Northeastern United States, Mid-Atlantic United States, Southeastern United States, Canada
-
Types
-
Primula auricula, Bear's Ear
Number of Varieties
225
0
40000
👆🏻
Habitat
gardens, Hardwood forests
Rocky Mountains
USDA Hardiness Zone
5-74-9
0
99
👆🏻
AHS Heat Zone
7-5
9-1
Sunset Zone
2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10
4, 5, 6, 7, 8, 9, 10, 11, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Clump-Forming
Oval or Rounded
Plant Size
Minimum Height
15.20 cm20.00 cm
0
3900
👆🏻
Minimum Width
12.70 cm25.00 cm
0
6350
👆🏻
Plant Color
Flower Color
White
Yellow, Yellow Orange
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Light Green
-
Leaf Color in Spring
Green, Blue Green
Green
Leaf Color in Summer
Green, Gray Green
Green
Leaf Color in Fall
Green, Gray Green
Green, Light Yellow, Brown
Leaf Color in Winter
Light Green
Light Green
Shape
Leaf Shape
Butterfly shaped
Oblong
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall
Spring, Fall
Growing Conditions
Sunlight
Partial shade, Full Shade
Full Sun, Partial Sun, Partial shade
Growth Rate
Slow
Medium
Type of Soil
Clay, Loam
Clay, Loam, Sand
The pH of Soil
Neutral, Alkaline
Acidic, Neutral
Soil Drainage
Average
Well drained
Bloom Time
Late Spring, Early Summer
Early Spring, Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Drought
Where to Plant?
Ground, Pot
Container, Ground, Pot
How to Plant?
Divison, Seedlings, Stem Planting
Divison, Seedlings, Stem Planting
Plant Maintenance
Medium
Low
Watering Plants
Watering Requirements
Medium
Average Water Needs, Do Not over Water, Never Over-water, Requires regular watering, Water more in summer
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Neutral, Alkaline
Acidic, Neutral
Soil Type
Clay, Loam
Clay, Loam, Sand
Soil Drainage Capacity
Average
Well drained
Sun Exposure
Partial shade, Full Shade
Full Sun, Partial Sun
Pruning
Remove deadheads, Requires very little pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves, Remove dead or diseased plant parts
Fertilizers
No fertilizers needed
All-Purpose Liquid Fertilizer, fertilize in growing season
Pests and Diseases
Pests and diseases free, Red blotch
-
Plant Tolerance
Drought
Variety of soil types
Flowers
✔
✘
✔
✘
Flower Petal Number
Single
Single
Fruits
Showy Fruit
✔
✘
✔
✘
Edible Fruit
✔
✘
✔
✘
Fragrance
Fragrant Flower
✔
✘
✔
✘
Fragrant Fruit
✔
✘
✔
✘
Fragrant Leaf
✔
✘
✔
✘
Fragrant Bark/Stem
✔
✘
✔
✘
Showy Foliage
✔
✘
✔
✘
Showy Bark
✔
✘
✔
✘
Foliage Texture
Coarse
Medium
Foliage Sheen
Matte
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Bees, Butterflies
-
Allergy
-
-
Uses
Aesthetic Uses
Showy Purposes
Beautification, Borders, Landscape Designing, Showy Purposes
Beauty Benefits
-
Good for skin, Making cosmetics, Stops hair loss
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification, Food for insects, Versatility
Plant Benefits
Medicinal Uses
Cancer, Diuretic
Eczema
Part of Plant Used
Flowers, Root
Root
Other Uses
-
Decoration Purposes, Medicinal oil, Showy Purposes, Used as Ornamental plant, Used for its medicinal properties
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Groundcover
Edible, Feature Plant, Fruit / Fruit Tree
Botanical Name
JEFFERSONIA diphylla
Primula auricula
Common Name
-
auricula, mountain cowslip or bear's ear
In Hindi
Twinleaf
mountain cowslip
In German
Twinleaf
Aurikel
In French
Twinleaf
Primula auricula
In Spanish
Twinleaf
Primula auricula
In Greek
Twinleaf
mountain cowslip
In Portuguese
Twinleaf
cowslip montanha
In Polish
Twinleaf
Pierwiosnek łyszczak
In Latin
Twinleaf
Primula auricula
Kingdom
Plantae
Plantae
Phylum
Tracheophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Ranunculales
Ericales
Family
Berberidaceae
Primulaceae
Genus
Jeffersonia
Primula
Clade
Angiosperms, Eudicots
Angiosperms, Asterids, Eudicots
Tribe
-
-
Subfamily
-
Primuloideae
Number of Species
225
1
27800
👆🏻