Life Span
Perennial
Annual
Type
Tree
Flowering Plants, Ornamental Plants
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
Asia, Europe
Habitat
bottomlands, Moist woods
Old fields, Open grasslands
USDA Hardiness Zone
4-9
5-8
Sunset Zone
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 18, 19, 20, 21
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
Habit
Oval or Rounded
Clump-Forming
Flower Color
Yellow green
Yellow
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
Leaf Color in Winter
-
Light Green
Leaf Shape
Pinnate
Oblong
Plant Season
Spring, Summer, Fall
Summer
Sunlight
Full Sun
Full Sun, Partial Sun
Growth Rate
Medium
Medium
Type of Soil
Clay, Loam, Sand
Loam, Sand
The pH of Soil
Acidic, Neutral
Acidic, Neutral, Alkaline
Soil Drainage
Well drained
Well drained
Bloom Time
Late Spring, Early Summer
Early Summer, Summer, Late Summer
Tolerances
-
Variety of soil types
Where to Plant?
Ground
Container, Ground, Pot
How to Plant?
Seedlings
Divison, Seedlings, Stem Planting
Plant Maintenance
Medium
Low
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 pH
Acidic, Neutral
Acidic, 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
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
Slugs, Snails
Plant Tolerance
-
Variety of soil types
Flowers
Insignificant
Yes
Flower Petal Number
-
Single
Fragrant Bark/Stem
Yes
No
Foliage Texture
Coarse
Fine
Foliage Sheen
Glossy
Matte
Attracts
Birds, Butterflies
Insects
Allergy
Anaphylaxis, Toxic
Abdominal pain, Constipation, Diarrhea, Skin irritation
Aesthetic Uses
-
Beautification, Borders, Landscape Designing, Showy Purposes
Beauty Benefits
Good for skin
Good for skin, Making cosmetics, Stops hair loss
Environmental Uses
Air purification, Shadow Tree
Air purification, Food for insects, Versatility
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
No
Yes
Used As Outdoor Plant
Yes
Yes
Garden Design
Feature Plant, Shade Trees
Edging, Feature Plant, Groundcover, Mixed Border
Botanical Name
JUGLANS nigra
Primula veris
Common Name
Black Walnut
cowslip, common cowslip, cowslip primrose
In Hindi
काले अखरोट के पेड़
cowslip primrose
In German
Schwarz Walnussbaum
Echte Schlüsselblume
In French
Noir noyer
Brérelle, le Coqueluchon, le Coucou, l’Herbe à la paralysie, l’Herbe de saint Paul, la Primerolle, la Primevère de printemps ou la Printanière
In Spanish
nogal negro
Primula veris
In Greek
Μαύρη καρυδιά
πασχαλίτσα primrose
In Portuguese
nogueira preta
prímula cowslip
In Polish
Czarny orzech drzewo
Pierwiosnek lekarski
In Latin
Niger walnut tree
cowslip Primrose
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Juglandales
Myrtales
Family
Juglandaceae
Onagraceae
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Eudicots, Rosids
Tribe
Juglandeae
Onagreae
Subfamily
Juglandinae
Onagroideae
Importance of Black Walnut and Cowslip Primrose
Want to have the most appropriate plant for your garden? You might want to know the importance of Black Walnut and Cowslip Primrose. Basically, these two plants vary in many aspects. Compare Black Walnut and Cowslip Primrose as they differ in many characteristics such as their life, care, benefits, facts, etc. Every gardener must at least have the slightest clue about the plants he wants to plant in his garden. Compare their benefits, which differ in many ways like facts and uses. The medicinal use of Black Walnut is Cancer, Coronary diseases, Cures constipation, Diarrhea, Diphtheria, High cholestrol, Immunity, Intestinal worms, Leukemia, Skin wounds, Sore throat, Syphilis and Use as a gargle whereas of Cowslip Primrose is Eczema. Black Walnut has beauty benefits as follows: Good for skin while Cowslip Primrose has beauty benefits as follows: Good for skin.
Compare Facts of Black Walnut vs Cowslip Primrose
How to choose the best garden plant for your garden depending upon its facts? Here garden plant comparison will help you to solve this query. Compare the facts of Black Walnut vs Cowslip Primrose and know which one to choose. As garden plants have benefits and other uses, allergy is also a major drawback of plants for some people. Allergic reactions of Black Walnut are Anaphylaxis and Toxic whereas of Cowslip Primrose have Abdominal pain, Constipation, Diarrhea and Skin irritation respectively. Having a fruit bearing plant in your garden can be a plus point of your garden. Black Walnut has showy fruits and Cowslip Primrose has no showy fruits. Also Black Walnut is not flowering and Cowslip Primrose is flowering. You can compare Black Walnut and Cowslip Primrose facts and facts of other plants too.