Life Span
Perennial
Perennial
Type
Tree
Perennial
Origin
United States, Northeastern United States, Mid-Atlantic United States, Southeastern United States, North-Central United States, Central United States, South-Central United States, Texas, Canada
-
Types
Juglans nigra
Primula auricula, Bear's Ear
Number of Varieties
1025
0
40000
👆🏻
Habitat
bottomlands, Moist woods
Rocky Mountains
USDA Hardiness Zone
4-94-9
0
99
👆🏻
AHS Heat Zone
9-3
9-1
Sunset Zone
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 18, 19, 20, 21
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
1,830.00 cm20.00 cm
0
3900
👆🏻
Minimum Width
1,830.00 cm25.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Yellow green
Yellow, Yellow Orange
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Green, Chocolate
-
Leaf Color in Spring
Green
Green
Leaf Color in Summer
Green, Dark Green
Green
Leaf Color in Fall
Yellow, Dark Green, Yellow green, Gold
Green, Light Yellow, Brown
Leaf Color in Winter
-
Light Green
Shape
Leaf Shape
Pinnate
Oblong
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall
Spring, Fall
Growing Conditions
Sunlight
Full Sun
Full Sun, Partial Sun, Partial shade
Growth Rate
Medium
Medium
Type of Soil
Clay, Loam, Sand
Clay, Loam, Sand
The pH of Soil
Acidic, Neutral
Acidic, Neutral
Soil Drainage
Well drained
Well drained
Bloom Time
Late Spring, Early Summer
Early Spring, Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
-
Drought
Where to Plant?
Ground
Container, Ground, Pot
How to Plant?
Seedlings
Divison, Seedlings, Stem Planting
Plant Maintenance
Medium
Low
Watering Plants
Watering Requirements
Average Water Needs, 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
Well drained
Well drained
Sun Exposure
Full Sun
Full Sun, Partial Sun
Pruning
Prune in early spring, Prune when plant is dormant, Remove branches, Remove damaged leaves, Remove dead branches, Remove dead leaves, Remove dead or diseased plant parts
Remove damaged leaves, Remove dead branches, Remove dead leaves, Remove dead or diseased plant parts
Fertilizers
Apply NPK fertilizer at the ratio of 6-24-24
All-Purpose Liquid Fertilizer, fertilize in growing season
Pests and Diseases
Red blotch
-
Plant Tolerance
-
Variety of soil types
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
Coarse
Medium
Foliage Sheen
Glossy
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Birds, Butterflies
-
Allergy
Anaphylaxis, Toxic
-
Uses
Aesthetic Uses
-
Beautification, Borders, Landscape Designing, Showy Purposes
Beauty Benefits
Good for skin
Good for skin, Making cosmetics, Stops hair loss
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Shadow Tree
Air purification, Food for insects, Versatility
Plant Benefits
Medicinal Uses
Cancer, Coronary diseases, Cures constipation, Diarrhea, Diphtheria, High cholestrol, Immunity, Intestinal worms, Leukemia, Skin wounds, Sore throat, Syphilis, Use as a gargle
Eczema
Part of Plant Used
Fruits
Root
Other Uses
Used As Food, Used as Ornamental plant
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
JUGLANS nigra
Primula auricula
Common Name
Black Walnut
auricula, mountain cowslip or bear's ear
In Hindi
काले अखरोट के पेड़
mountain cowslip
In German
Schwarz Walnussbaum
Aurikel
In French
Noir noyer
Primula auricula
In Spanish
nogal negro
Primula auricula
In Greek
Μαύρη καρυδιά
mountain cowslip
In Portuguese
nogueira preta
cowslip montanha
In Polish
Czarny orzech drzewo
Pierwiosnek łyszczak
In Latin
Niger walnut tree
Primula auricula
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Juglandales
Ericales
Family
Juglandaceae
Primulaceae
Genus
Juglans
Primula
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Asterids, Eudicots
Tribe
Juglandeae
-
Subfamily
Juglandinae
Primuloideae
Number of Species
1625
1
27800
👆🏻