Life Span
Annual
Perennial
Type
Flowering Plants, Ornamental Plants
Tree
Origin
Asia, Europe
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
Number of Varieties
110
0
40000
👆🏻
Habitat
Old fields, Open grasslands
bottomlands, Moist woods
USDA Hardiness Zone
5-84-9
0
99
👆🏻
AHS Heat Zone
8-1
9-3
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
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 18, 19, 20, 21
Habit
Clump-Forming
Oval or Rounded
Plant Size
Minimum Height
25.00 cm1,830.00 cm
0
3900
👆🏻
Minimum Width
50.00 cm1,830.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Yellow
Yellow green
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
Green, Chocolate
Leaf Color in Spring
Green
Green
Leaf Color in Summer
Green
Green, Dark Green
Leaf Color in Fall
Green
Yellow, Dark Green, Yellow green, Gold
Leaf Color in Winter
Light Green
-
Shape
Leaf Shape
Oblong
Pinnate
Thorns
✔
✘
✔
✘
Plant Season
Summer
Spring, Summer, Fall
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun
Growth Rate
Medium
Medium
Type of Soil
Loam, Sand
Clay, Loam, Sand
The pH of Soil
Acidic, Neutral, Alkaline
Acidic, Neutral
Soil Drainage
Well drained
Well drained
Bloom Time
Early Summer, Summer, Late Summer
Late Spring, Early Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Variety of soil types
-
Where to Plant?
Container, Ground, Pot
Ground
How to Plant?
Divison, Seedlings, Stem Planting
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, Requires regular watering
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Acidic, Neutral, Alkaline
Acidic, Neutral
Soil Type
Loam, Sand
Clay, Loam, Sand
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Full Sun, Partial Sun
Full Sun
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves, Remove dead or diseased plant parts
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
Fertilizers
All-Purpose Liquid Fertilizer, fertilize in growing season
Apply NPK fertilizer at the ratio of 6-24-24
Pests and Diseases
Slugs, Snails
Red blotch
Plant Tolerance
Variety of soil types
-
Flowers
✔
✘
✔
✘
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
Fine
Coarse
Foliage Sheen
Matte
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Insects
Birds, Butterflies
Allergy
Abdominal pain, Constipation, Diarrhea, Skin irritation
Anaphylaxis, Toxic
Uses
Aesthetic Uses
Beautification, Borders, Landscape Designing, Showy Purposes
-
Beauty Benefits
Good for skin, Making cosmetics, Stops hair loss
Good for skin
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Food for insects, Versatility
Air purification, Shadow Tree
Plant Benefits
Medicinal Uses
Eczema
Cancer, Coronary diseases, Cures constipation, Diarrhea, Diphtheria, High cholestrol, Immunity, Intestinal worms, Leukemia, Skin wounds, Sore throat, Syphilis, Use as a gargle
Part of Plant Used
Root
Fruits
Other Uses
Decoration Purposes, Medicinal oil, Showy Purposes, Used as Ornamental plant, Used for its medicinal properties
Used As Food, Used as Ornamental plant
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Edging, Feature Plant, Groundcover, Mixed Border
Feature Plant, Shade Trees
Botanical Name
Primula veris
JUGLANS nigra
Common Name
cowslip, common cowslip, cowslip primrose
Black Walnut
In Hindi
cowslip primrose
काले अखरोट के पेड़
In German
Echte Schlüsselblume
Schwarz Walnussbaum
In French
Brérelle, le Coqueluchon, le Coucou, l’Herbe à la paralysie, l’Herbe de saint Paul, la Primerolle, la Primevère de printemps ou la Printanière
Noir noyer
In Spanish
Primula veris
nogal negro
In Greek
πασχαλίτσα primrose
Μαύρη καρυδιά
In Portuguese
prímula cowslip
nogueira preta
In Polish
Pierwiosnek lekarski
Czarny orzech drzewo
In Latin
cowslip Primrose
Niger walnut tree
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Myrtales
Juglandales
Family
Onagraceae
Juglandaceae
Genus
Oenothera
Juglans
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Eudicots, Rosids
Tribe
Onagreae
Juglandeae
Subfamily
Onagroideae
Juglandinae
Number of Species
14516
1
27800
👆🏻