Life Span
Perennial
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
China, Japan
Habitat
bottomlands, Moist woods
subtropical regions, Temperate Regions
USDA Hardiness Zone
4-9
6-9
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, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Oval or Rounded
Oval or Rounded
Flower Color
Yellow green
White, Silver
Flower Color Modifier
Bicolor
-
Fruit Color
Green, Chocolate
Reddish Plum
Leaf Color in Spring
Green
White, Dark Green, Sienna
Leaf Color in Summer
Green, Dark Green
White, Dark Green, Sienna
Leaf Color in Fall
Yellow, Dark Green, Yellow green, Gold
White, Dark Green, Sienna
Leaf Color in Winter
-
White, Dark Green, Sienna
Leaf Shape
Pinnate
broad, flat
Plant Season
Spring, Summer, Fall
Spring, Summer, Fall, Winter
Sunlight
Full Sun
Full Sun, Partial Sun, Partial shade
Type of Soil
Clay, Loam, Sand
Clay, Loam, Sand
The pH of Soil
Acidic, Neutral
Acidic, Neutral, Alkaline
Soil Drainage
Well drained
Well drained
Bloom Time
Late Spring, Early Summer
Fall, Late Fall
Tolerances
-
Pollution, Salt
Where to Plant?
Ground
Ground, Pot
How to Plant?
Seedlings
Cuttings, root cutting, Seedlings
Plant Maintenance
Medium
Medium
Watering Requirements
Average Water Needs, Requires regular watering
Average Water Needs
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil pH
Acidic, Neutral
Acidic, Neutral, Alkaline
Soil Type
Clay, Loam, Sand
Clay, Loam, Sand
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Full Sun
Full Sun, Partial Sun, Partial shade
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
Fertilizers
Apply NPK fertilizer at the ratio of 6-24-24
All-Purpose Liquid Fertilizer
Pests and Diseases
Red blotch
Coral Spot, Leaf spot, Red blotch
Plant Tolerance
-
Drought
Flowers
Insignificant
Insignificant
Flower Petal Number
-
Single
Fragrant Bark/Stem
Yes
No
Foliage Texture
Coarse
Medium
Foliage Sheen
Glossy
Matte
Attracts
Birds, Butterflies
Birds
Allergy
Anaphylaxis, Toxic
Toxic
Aesthetic Uses
-
Bonsai, Cottage Garden, Ground Cover
Beauty Benefits
Good for skin
Skin irritation
Environmental Uses
Air purification, Shadow Tree
Fixes Nitrogen
Medicinal Uses
Cancer, Coronary diseases, Cures constipation, Diarrhea, Diphtheria, High cholestrol, Immunity, Intestinal worms, Leukemia, Skin wounds, Sore throat, Syphilis, Use as a gargle
Antiasthamatic, Antitussive, Astringent
Part of Plant Used
Fruits
Fruits, Leaves, Root, Stem
Other Uses
Used As Food, Used as Ornamental plant
Used as Ornamental plant, Used for making hedge
Used As Indoor Plant
No
No
Used As Outdoor Plant
Yes
Yes
Garden Design
Feature Plant, Shade Trees
Feature Plant, Hedges, Screening, Wind Break
Botanical Name
JUGLANS nigra
Elaeagnus pungens
Common Name
Black Walnut
Silverthorn
In Hindi
काले अखरोट के पेड़
Silverthorn
In German
Schwarz Walnussbaum
Silverthorn
In French
Noir noyer
Silverthorn
In Spanish
nogal negro
Silverthorn
In Greek
Μαύρη καρυδιά
Silverthorn
In Portuguese
nogueira preta
Silverthorn
In Polish
Czarny orzech drzewo
Silverthorn
In Latin
Niger walnut tree
Silverthorn
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Juglandales
Rhamnales
Family
Juglandaceae
Elaeagnaceae
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Eudicots, Rosids
Season and Care of Black Walnut and Silverthorn
Season and care of Black Walnut and Silverthorn is important to know. While considering everything about Black Walnut and Silverthorn Care, growing season is an essential factor. Black Walnut season is Spring, Summer and Fall and Silverthorn season is Spring, Summer and Fall. The type of soil for Black Walnut is Clay, Loam, Sand and for Silverthorn is Clay, Loam, Sand while the PH of soil for Black Walnut is Acidic, Neutral and for Silverthorn is Acidic, Neutral, Alkaline.
Black Walnut and Silverthorn Physical Information
Black Walnut and Silverthorn physical information is very important for comparison. Black Walnut height is 1,830.00 cm and width 1,830.00 cm whereas Silverthorn height is 300.00 cm and width 300.00 cm. The color specification of Black Walnut and Silverthorn are as follows:
Black Walnut flower color: Yellow green
Black Walnut leaf color: Green
Silverthorn flower color: White and Silver
- Silverthorn leaf color: White, Dark Green and Sienna
Care of Black Walnut and Silverthorn
Care of Black Walnut and Silverthorn include pruning, fertilizers, watering etc. Black Walnut pruning is done Prune in early spring, Prune when plant is dormant, Remove branches, Remove damaged leaves, Remove dead branches, Remove dead leaves and Remove dead or diseased plant parts and Silverthorn pruning is done Remove damaged leaves, Remove dead branches and Remove dead leaves. In summer Black Walnut needs Lots of watering and in winter, it needs Average Water. Whereas, in summer Silverthorn needs Lots of watering and in winter, it needs Average Water.