Life Span
Perennial
Perennial
Type
Tree
Perennial
Origin
Mid-Atlantic United States, Southeastern United States, Central United States, South-Central United States
-
Types
-
Primula auricula, Bear's Ear
Number of Varieties
325
0
40000
👆🏻
Habitat
bottomlands, Depression on prairies, ditches, Floodplains, Riverbanks, stream banks, Swamps
Rocky Mountains
USDA Hardiness Zone
4-94-9
0
99
👆🏻
AHS Heat Zone
9-1
9-1
Sunset Zone
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
4, 5, 6, 7, 8, 9, 10, 11, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Oval or Rounded
Oval or Rounded
Plant Size
Minimum Height
1,220.00 cm20.00 cm
0
3900
👆🏻
Minimum Width
1,220.00 cm25.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Yellow, Brown
Yellow, Yellow Orange
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Black
-
Leaf Color in Spring
Green, Light Green
Green
Leaf Color in Summer
Green, Light Green
Green
Leaf Color in Fall
Yellow, Light Yellow, Tan
Green, Light Yellow, Brown
Leaf Color in Winter
-
Light Green
Shape
Leaf Shape
Oval with a pointed tip and fine teeth along their edges
Oblong
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring, Fall
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun, Partial shade
Growth Rate
Fast
Medium
Type of Soil
Clay, Loam, Sand
Clay, Loam, Sand
The pH of Soil
Acidic, Neutral
Acidic, Neutral
Soil Drainage
Average
Well drained
Bloom Time
Spring
Early Spring, Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Wet Site, Pollution, Soil Compaction
Drought
Where to Plant?
Ground
Container, Ground, Pot
How to Plant?
Seedlings
Divison, Seedlings, Stem Planting
Plant Maintenance
Low
Low
Watering Plants
Watering Requirements
Requires a lot of watering, Requires regular watering
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
Acidic, Neutral
Acidic, Neutral
Soil Type
Clay, Loam, Sand
Clay, Loam, Sand
Soil Drainage Capacity
Average
Well drained
Sun Exposure
Full Sun, Partial Sun
Full Sun, Partial Sun
Pruning
Prune in the late winter or spring, Remove dead or diseased plant parts, Shape and thin as needed
Remove damaged leaves, Remove dead branches, Remove dead leaves, Remove dead or diseased plant parts
Fertilizers
All-Purpose Liquid Fertilizer, No need to fertilize every year
All-Purpose Liquid Fertilizer, fertilize in growing season
Pests and Diseases
Aphids, Red blotch, Sawfly Larvae
-
Plant Tolerance
Pollution, Soil Compaction, Wet Site
Variety of soil types
Flowers
Showy
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
Medium
Foliage Sheen
Matte
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
-
-
Allergy
Asthma
-
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
Erosion control, Wildlife
Air purification, Food for insects, Versatility
Plant Benefits
Medicinal Uses
-
Eczema
Part of Plant Used
Whole plant
Root
Other Uses
used for making roof trusses, poles, joists, piles, Used in construction, Used in Furniture
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, Shade Trees
Edible, Feature Plant, Fruit / Fruit Tree
Botanical Name
BETULA nigra
Primula auricula
Common Name
River Birch
auricula, mountain cowslip or bear's ear
In Hindi
River Birch
mountain cowslip
In German
Fluss Birch
Aurikel
In French
Birch river
Primula auricula
In Spanish
river Birch
Primula auricula
In Greek
ποταμός Birch
mountain cowslip
In Portuguese
river Birch
cowslip montanha
In Polish
Rzeka Birch
Pierwiosnek łyszczak
In Latin
Betula
Primula auricula
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Fagales
Ericales
Family
Betulaceae
Primulaceae
Genus
Betula
Primula
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Asterids, Eudicots
Tribe
-
-
Subfamily
-
Primuloideae
Number of Species
325
1
27800
👆🏻