Life Span
Perennial
Perennial
Origin
Caribbean, Central America, South America, Madagascar, South Africa
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
Jatropha bullockii, Jatropha cinerea, Jatropha excisa
Juglans nigra
Habitat
Pastures, Roadsides, Warmer regions
bottomlands, Moist woods
USDA Hardiness Zone
-9999
4-9
Sunset Zone
10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 18, 19, 20, 21
Habit
Upright/Erect
Oval or Rounded
Flower Color
White, Yellow, Red, Purple, Pink
Yellow green
Flower Color Modifier
-
Bicolor
Fruit Color
Light Green, Lime Green, Yellow, Green, Ivory
Green, Chocolate
Leaf Color in Spring
Green, Dark Green
Green
Leaf Color in Summer
Green, Dark Green
Green, Dark Green
Leaf Color in Fall
Green, Dark Green
Yellow, Dark Green, Yellow green, Gold
Leaf Color in Winter
Green, Dark Green
-
Leaf Shape
Palmately Lobed
Pinnate
Plant Season
All year
Spring, Summer, Fall
Sunlight
Bright direct sunlight, Full Sun, Partial Sun
Full Sun
Growth Rate
Medium
Medium
Type of Soil
Dry, Sand
Clay, Loam, Sand
The pH of Soil
Slightly Alkaline
Acidic, Neutral
Soil Drainage
Well drained
Well drained
Bloom Time
All year
Late Spring, Early Summer
Where to Plant?
Ground
Ground
How to Plant?
Seedlings, Transplanting
Seedlings
Plant Maintenance
Low
Medium
Watering Requirements
Needs less watering, Water occasionally
Average Water Needs, Requires regular watering
In Summer
Drought Tolerant, Average Water
Lots of watering
In Spring
Less Watering
Moderate
In Winter
Less Watering
Average Water
Soil pH
Neutral
Acidic, Neutral
Soil Type
Loam, Sand
Clay, Loam, Sand
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Bright direct sunlight, Full Sun
Full Sun
Pruning
Prune for shortening long shoots, Prune if you want to improve plant shape
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
Fertilizers
All-Purpose Liquid Fertilizer, No fertilizers needed
Apply NPK fertilizer at the ratio of 6-24-24
Pests and Diseases
Anthracnose, Leaf spot, Powdery mildew, Red blotch, Rust
Red blotch
Plant Tolerance
Drought, Drought and Salt, Heat Tolerance
-
Flowers
Showy
Insignificant
Flower Petal Number
Single
-
Fragrant Bark/Stem
No
Yes
Foliage Texture
Bold
Coarse
Attracts
Bees, Flying insects, Hoverflies
Birds, Butterflies
Allergy
allergic conjunctivitis, Eye irritation
Anaphylaxis, Toxic
Beauty Benefits
Good for skin and hair, Removes pimples, Skin inflammation, Skin irritation
Good for skin
Edible Uses
Sometimes
Yes
Environmental Uses
Air purification, Insect Repellent, No fertilizer, pesticides, or herbicides needed, Suppresses or replaces native plants, Versatility
Air purification, Shadow Tree
Medicinal Uses
anti-allergy, epilepsy, Fever, Skin irritation, Skin Redness
Cancer, Coronary diseases, Cures constipation, Diarrhea, Diphtheria, High cholestrol, Immunity, Intestinal worms, Leukemia, Skin wounds, Sore throat, Syphilis, Use as a gargle
Part of Plant Used
Leaves, Sap, Seeds, Stem
Fruits
Other Uses
Oil is used as fuel, Oil is used in perfume, soaps, creams, etc., Used in biomass
Used As Food, Used as Ornamental plant
Used As Indoor Plant
No
No
Used As Outdoor Plant
Yes
Yes
Garden Design
Container, Feature Plant, Hedges, Screening, Wind Break, Topiary, Bonsai, Espalier, Tropical
Feature Plant, Shade Trees
Botanical Name
JATROPHA
JUGLANS nigra
Common Name
Barbados nut, purging nut, physic nut, or JCL
Black Walnut
In Hindi
रतनजोत
काले अखरोट के पेड़
In German
Purgiernuß
Schwarz Walnussbaum
In French
purghère
Noir noyer
In Spanish
frailejón
nogal negro
In Greek
jatropha
Μαύρη καρυδιά
In Portuguese
galamaluco
nogueira preta
In Polish
jatrofa
Czarny orzech drzewo
In Latin
Jatropha
Niger walnut tree
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Euphorbiales
Juglandales
Family
Euphorbiaceae
Juglandaceae
Clade
Dicotyledonous
Angiosperms, Eudicots, Rosids
Tribe
Jatropheae
Juglandeae
Subfamily
Crotonoideae
Juglandinae
Season and Care of Jatropha and Black Walnut
Season and care of Jatropha and Black Walnut is important to know. While considering everything about Jatropha and Black Walnut Care, growing season is an essential factor. Jatropha season is All year and Black Walnut season is All year. The type of soil for Jatropha is Dry, Sand and for Black Walnut is Clay, Loam, Sand while the PH of soil for Jatropha is Slightly Alkaline and for Black Walnut is Acidic, Neutral.
Jatropha and Black Walnut Physical Information
Jatropha and Black Walnut physical information is very important for comparison. Jatropha height is 200.00 cm and width 400.00 cm whereas Black Walnut height is 1,830.00 cm and width 1,830.00 cm. The color specification of Jatropha and Black Walnut are as follows:
Jatropha flower color: White, Yellow, Red, Purple and Pink
Jatropha leaf color: Green and Dark Green
Black Walnut flower color: Yellow green
- Black Walnut leaf color: Green
Care of Jatropha and Black Walnut
Care of Jatropha and Black Walnut include pruning, fertilizers, watering etc. Jatropha pruning is done Prune for shortening long shoots and Prune if you want to improve plant shape and 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. In summer Jatropha needs Drought Tolerant, Average Water and in winter, it needs Less Watering. Whereas, in summer Black Walnut needs Lots of watering and in winter, it needs Average Water.