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
-
Types
Juglans nigra
Jamaican sweet orange,Citrus maxima
Habitat
bottomlands, Moist woods
Fields, gardens, Moist Soils
USDA Hardiness Zone
4-9
9-11
Sunset Zone
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 18, 19, 20, 21
H1, H2, 8, 9, 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
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Green, Chocolate
Yellow, Light Yellow, Pink
Leaf Color in Spring
Green
Dark Green
Leaf Color in Summer
Green, Dark Green
Dark Green
Leaf Color in Fall
Yellow, Dark Green, Yellow green, Gold
Dark Green
Leaf Color in Winter
-
Dark Green
Leaf Shape
Pinnate
Elliptic
Plant Season
Spring, Summer, Fall
Spring, Summer, Fall, Winter
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
Well drained
Bloom Time
Late Spring, Early Summer
Early Spring, Spring, Winter, Late Winter
Tolerances
-
Light Frost, Sun
Where to Plant?
Ground
Ground
How to Plant?
Seedlings
Grafting
Plant Maintenance
Medium
High
Watering Requirements
Average Water Needs, Requires regular watering
Requires regular 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
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
Prune ocassionally, Remove dead branches, Remove dead leaves
Fertilizers
Apply NPK fertilizer at the ratio of 6-24-24
10-15-10 amounts, fertilize in growing season
Pests and Diseases
Red blotch
Bud blast, Citrus canker, Red blotch, Scale
Plant Tolerance
-
Drought, Shade areas
Flowers
Insignificant
Showy
Flower Petal Number
-
Single
Fragrant Bark/Stem
Yes
Yes
Foliage Texture
Coarse
Medium
Foliage Sheen
Glossy
Glossy
Attracts
Birds, Butterflies
Birds, Butterflies, Hummingbirds
Allergy
Anaphylaxis, Toxic
Constipation, Swelling in the face, Vomiting, wheezing
Aesthetic Uses
-
Cottage Garden
Beauty Benefits
Good for skin
Acne, Improve skin tone, Nourishes scalp, Perfumes
Environmental Uses
Air purification, Shadow Tree
Food for animals, Prevent Soil Erosion, soil stabilisation
Medicinal Uses
Cancer, Coronary diseases, Cures constipation, Diarrhea, Diphtheria, High cholestrol, Immunity, Intestinal worms, Leukemia, Skin wounds, Sore throat, Syphilis, Use as a gargle
Acne, Aging, Antibacterial, constipation, Glucose, Nutrients
Part of Plant Used
Fruits
Fruits, Leaves
Other Uses
Used As Food, Used as Ornamental plant
Beneficial species for attracting pollinators, Making Perfumes, Medicinal oil, Used as a nutritious food item, Used As Food
Used As Indoor Plant
No
Sometimes
Used As Outdoor Plant
Yes
Yes
Garden Design
Feature Plant, Shade Trees
Container, Edible, Feature Plant, Fruit / Fruit Tree, Topiary / Bonsai / Espalier
Botanical Name
JUGLANS nigra
CITRUS x paradisi
Common Name
Black Walnut
Grapefruit
In Hindi
काले अखरोट के पेड़
चकोतरा
In German
Schwarz Walnussbaum
Grapefruit
In French
Noir noyer
pamplemousse
In Spanish
nogal negro
Pomelo
In Greek
Μαύρη καρυδιά
γκρέιπ φρουτ
In Portuguese
nogueira preta
Toranja
In Polish
Czarny orzech drzewo
grejpfrut
In Latin
Niger walnut tree
-
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Juglandales
Sapindales
Family
Juglandaceae
Rutaceae
Clade
Angiosperms, Eudicots, Rosids
Dicotyledonous
Subfamily
Juglandinae
Rosoideae
Season and Care of Black Walnut and Grapefruit
Season and care of Black Walnut and Grapefruit is important to know. While considering everything about Black Walnut and Grapefruit Care, growing season is an essential factor. Black Walnut season is Spring, Summer and Fall and Grapefruit season is Spring, Summer and Fall. The type of soil for Black Walnut is Clay, Loam, Sand and for Grapefruit is Clay, Loam, Sand while the PH of soil for Black Walnut is Acidic, Neutral and for Grapefruit is Acidic, Neutral, Alkaline.
Black Walnut and Grapefruit Physical Information
Black Walnut and Grapefruit physical information is very important for comparison. Black Walnut height is 1,830.00 cm and width 1,830.00 cm whereas Grapefruit height is 610.00 cm and width 370.00 cm. The color specification of Black Walnut and Grapefruit are as follows:
Black Walnut flower color: Yellow green
Black Walnut leaf color: Green
Grapefruit flower color: White
- Grapefruit leaf color: Dark Green
Care of Black Walnut and Grapefruit
Care of Black Walnut and Grapefruit 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 Grapefruit pruning is done Prune ocassionally, 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 Grapefruit needs Lots of watering and in winter, it needs Average Water.