Life Span
Perennial
Annual and Perennial
Type
Tree
Tender 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
Southern Europe, Mediterranean
Types
Not Available
Not Available
Habitat
bottomlands, Moist woods
gardens, Grassland, Prairies
USDA Hardiness Zone
4-9
7-9
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, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Oval or Rounded
Mat-forming
Flower Color
Yellow green
Blue, Lavender
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Green, Chocolate
Green
Leaf Color in Spring
Green
Gray Green
Leaf Color in Summer
Green, Dark Green
Gray Green
Leaf Color in Fall
Yellow, Dark Green, Yellow green, Gold
Gray Green
Leaf Color in Winter
Not Available
Light Green
Leaf Shape
Pinnate
Linear
Plant Season
Spring, Summer, Fall
Spring, Summer, Fall, Winter
Sunlight
Full Sun
Full Sun, Partial Sun
Type of Soil
Clay, Loam, Sand
Loam, Sand
The pH of Soil
Acidic, Neutral
Neutral, Alkaline
Soil Drainage
Well drained
Well drained
Bloom Time
Late Spring, Early Summer
Spring, Late Spring, Early Summer, Summer, Late Summer, Early Fall
Tolerances
Not Available
Drought
Where to Plant?
Ground
Container, Ground, Pot
How to Plant?
Seedlings
Seedlings, Stem Cutting
Plant Maintenance
Medium
Medium
Watering Requirements
Average Water Needs, Requires regular watering
Allow soil to be completely dry in between waterings, Water Deeply, Water less during winter
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil pH
Acidic, Neutral
Neutral, Alkaline
Soil Type
Clay, Loam, Sand
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
Cut or pinch the stems, Do not prune during shooting season, Prune if you want to improve plant shape, Prune prior to new growth, Remove deadheads
Fertilizers
Apply NPK fertilizer at the ratio of 6-24-24
No fertilizers needed
Pests and Diseases
Red blotch
fungus, Insects, Red blotch
Plant Tolerance
Not Available
Drought
Flowers
Insignificant
Showy
Flower Petal Number
Not Available
Single
Fragrant Bark/Stem
Yes
No
Foliage Texture
Coarse
Fine
Foliage Sheen
Glossy
Matte
Attracts
Birds, Butterflies
Bees, Birds, Butterflies
Allergy
Anaphylaxis, Toxic
Skin irritation
Aesthetic Uses
Not Used For Aesthetic Purpose
Beautification, Showy Purposes
Beauty Benefits
Good for skin
Not Available
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
No Medicinal Use
Part of Plant Used
Fruits
Whole plant
Other Uses
Used As Food, Used as Ornamental plant
Showy Purposes
Used As Indoor Plant
No
No
Used As Outdoor Plant
Yes
Yes
Garden Design
Feature Plant, Shade Trees
Alpine, Container, Edging, Foundation, Groundcover, Mixed Border, Rock Garden / Wall
Botanical Name
JUGLANS nigra
Erysimum cheiri
Common Name
Black Walnut
Wallflower
In Hindi
काले अखरोट के पेड़
पीला Wallflower
In German
Schwarz Walnussbaum
Yellow Wallflower
In French
Noir noyer
Yellow Wallflower
In Spanish
nogal negro
alhelí amarillo
In Greek
Μαύρη καρυδιά
κίτρινο Wallflower
In Portuguese
nogueira preta
Wallflower amarelo
In Polish
Czarny orzech drzewo
Żółty Wallflower
In Latin
Niger walnut tree
Crocus Wallflower
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Juglandales
Brassicales
Family
Juglandaceae
Brassicaceae
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Eudicots, Rosids
Tribe
Juglandeae
Not Available
Subfamily
Juglandinae
Not Available
Number of Species
Not Available
Season and Care of Black Walnut and Yellow Wallflower
Season and care of Black Walnut and Yellow Wallflower is important to know. While considering everything about Black Walnut and Yellow Wallflower Care, growing season is an essential factor. Black Walnut season is Spring, Summer and Fall and Yellow Wallflower season is Spring, Summer and Fall. The type of soil for Black Walnut is Clay, Loam, Sand and for Yellow Wallflower is Loam, Sand while the PH of soil for Black Walnut is Acidic, Neutral and for Yellow Wallflower is Neutral, Alkaline.
Black Walnut and Yellow Wallflower Physical Information
Black Walnut and Yellow Wallflower physical information is very important for comparison. Black Walnut height is 1,830.00 cm and width 1,830.00 cm whereas Yellow Wallflower height is 30.50 cm and width 30.50 cm. The color specification of Black Walnut and Yellow Wallflower are as follows:
Black Walnut flower color: Yellow green
Black Walnut leaf color: Green
Yellow Wallflower flower color: Blue and Lavender
- Yellow Wallflower leaf color: Gray Green
Care of Black Walnut and Yellow Wallflower
Care of Black Walnut and Yellow Wallflower 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 Yellow Wallflower pruning is done Cut or pinch the stems, Do not prune during shooting season, Prune if you want to improve plant shape, Prune prior to new growth and Remove deadheads. In summer Black Walnut needs Lots of watering and in winter, it needs Average Water. Whereas, in summer Yellow Wallflower needs Lots of watering and in winter, it needs Average Water.