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
North America, United States, Northeastern United States, Mid-Atlantic United States, Southeastern United States, Central United States, South-Central United States, Texas
Types
Juglans nigra
Quercus phellos, Quercus nigra
Habitat
bottomlands, Moist woods
Hot climate regions, low mountains, Tropical 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
2a, 2b, 3a, 3b, 4, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 18, 19, 20, 21
Habit
Oval or Rounded
Oval or Rounded
Flower Color
Yellow green
Red, Light Green, Chartreuse
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Green, Chocolate
Tan, Chocolate
Leaf Color in Spring
Green
Green, Light Green
Leaf Color in Summer
Green, Dark Green
Green, Dark Green
Leaf Color in Fall
Yellow, Dark Green, Yellow green, Gold
Yellow, Orange, Sandy Brown
Leaf Shape
Pinnate
Irregular
Plant Season
Spring, Summer, Fall
Spring, Fall
Sunlight
Full Sun
Full Sun, Partial Sun
Type of Soil
Clay, Loam, Sand
Clay, Loam, Sand
The pH of Soil
Acidic, Neutral
Acidic, Neutral, Alkaline
Soil Drainage
Well drained
Average
Bloom Time
Late Spring, Early Summer
Spring, Late Spring
Tolerances
-
Wet Site, Pollution, Soil Compaction
Where to Plant?
Ground
Ground
How to Plant?
Seedlings
Grafting, Seedlings
Plant Maintenance
Medium
Low
Watering Requirements
Average Water Needs, Requires regular watering
Allow to dry out slightly between watering, Does not require lot of watering
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
Average
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
cut main flower spike, Prune every year, Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
Apply NPK fertilizer at the ratio of 6-24-24
All-Purpose Liquid Fertilizer, Bonemeal, fertilize in growing season
Pests and Diseases
Red blotch
Azalea leaf gall, Fusarium leaf spot, Leaf rust, Mildew
Plant Tolerance
-
Heat Tolerance, Humidity, Salt and Soil Compaction
Flowers
Insignificant
Insignificant
Fragrant Bark/Stem
Yes
No
Foliage Texture
Coarse
Fine
Foliage Sheen
Glossy
Glossy
Attracts
Birds, Butterflies
Birds
Allergy
Anaphylaxis, Toxic
Eczema, Rhinitis, Runny nose
Aesthetic Uses
-
Landscape Designing, Showy Purposes
Beauty Benefits
Good for skin
Blood purifying, Reduce Bruises, Weightloss
Edible Uses
Yes
Sometimes
Environmental Uses
Air purification, Shadow Tree
Air purification
Medicinal Uses
Cancer, Coronary diseases, Cures constipation, Diarrhea, Diphtheria, High cholestrol, Immunity, Intestinal worms, Leukemia, Skin wounds, Sore throat, Syphilis, Use as a gargle
Gout, Obesity, Snoring
Part of Plant Used
Fruits
Bark, Stem
Other Uses
Used As Food, Used as Ornamental plant
Animal Feed, Biodiesel, Recovering internal injuries
Used As Indoor Plant
No
No
Used As Outdoor Plant
Yes
Yes
Garden Design
Feature Plant, Shade Trees
Shade Trees, Street Trees
Botanical Name
JUGLANS nigra
QUERCUS phellos
Common Name
Black Walnut
Willow Oak
In Hindi
काले अखरोट के पेड़
Overcup ओक
In German
Schwarz Walnussbaum
Overcup Oak
In French
Noir noyer
Overcup Oak
In Spanish
nogal negro
Overcup Roble
In Greek
Μαύρη καρυδιά
Overcup Oak
In Portuguese
nogueira preta
Overcup Oak
In Polish
Czarny orzech drzewo
Overcup Dąb
In Latin
Niger walnut tree
Oryza
Class
Magnoliopsida
Magnoliopsida
Order
Juglandales
Fagales
Family
Juglandaceae
Fagaceae
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Eudicots, Rosids
Subfamily
Juglandinae
Amaryllidoideae
Season and Care of Black Walnut and Willow Oak
Season and care of Black Walnut and Willow Oak is important to know. While considering everything about Black Walnut and Willow Oak Care, growing season is an essential factor. Black Walnut season is Spring, Summer and Fall and Willow Oak season is Spring, Summer and Fall. The type of soil for Black Walnut is Clay, Loam, Sand and for Willow Oak is Clay, Loam, Sand while the PH of soil for Black Walnut is Acidic, Neutral and for Willow Oak is Acidic, Neutral, Alkaline.
Black Walnut and Willow Oak Physical Information
Black Walnut and Willow Oak physical information is very important for comparison. Black Walnut height is 1,830.00 cm and width 1,830.00 cm whereas Willow Oak height is 1,220.00 cm and width 910.00 cm. The color specification of Black Walnut and Willow Oak are as follows:
Black Walnut flower color: Yellow green
Black Walnut leaf color: Green
Willow Oak flower color: Red, Light Green and Chartreuse
- Willow Oak leaf color: Green and Light Green
Care of Black Walnut and Willow Oak
Care of Black Walnut and Willow Oak 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 Willow Oak pruning is done cut main flower spike, Prune every year, 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 Willow Oak needs Lots of watering and in winter, it needs Average Water.