Life Span
Perennial
Perennial
Type
Fruit
Tree
Origin
Southern Asia, India, Melanesia, Australia
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
etrog
Juglans nigra
Number of Varieties
510
0
40000
👆🏻
Habitat
Mediterranean region, Subtropical climates, Tropical regions
bottomlands, Moist woods
USDA Hardiness Zone
9-114-9
0
99
👆🏻
AHS Heat Zone
12-9
9-3
Sunset Zone
H1, H2, 8, 9, 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
Oval or Rounded
Oval or Rounded
Plant Size
Minimum Height
240.00 cm1,830.00 cm
0
3900
👆🏻
Minimum Width
180.00 cm1,830.00 cm
0
6350
👆🏻
Plant Color
Flower Color
White, Purple
Yellow green
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Yellow
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
Light Green
-
Shape
Leaf Shape
Ovate elongated
Pinnate
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun
Growth Rate
Medium
Medium
Type of Soil
Clay, Loam, Sand
Clay, Loam, Sand
The pH of Soil
Acidic, Neutral
Acidic, Neutral
Soil Drainage
Well drained
Well drained
Bloom Time
Early Spring, Spring, Winter, Late Winter, Indeterminate
Late Spring, Early Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
-
Where to Plant?
Ground
Ground
How to Plant?
Seedlings, Transplanting
Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Needs less watering
Average Water Needs, Requires regular watering
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Acidic, Neutral
Acidic, Neutral
Soil Type
Clay, Loam, Sand
Clay, Loam, Sand
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Full Sun, Partial Sun
Full Sun
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
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
Apply NPK fertilizer at the ratio of 6-24-24
Pests and Diseases
Aphids, Citrus foot rot, Leafminers, Red blotch
Red blotch
Plant Tolerance
Drought
-
Flowers
Showy
Insignificant
Flower Petal Number
Single
-
Fruits
Showy Fruit
✔
✘
✔
✘
Edible Fruit
✔
✘
✔
✘
Fragrance
Fragrant Flower
✔
✘
✔
✘
Fragrant Fruit
✔
✘
✔
✘
Fragrant Leaf
✔
✘
✔
✘
Fragrant Bark/Stem
✔
✘
✔
✘
Showy Foliage
✔
✘
✔
✘
Showy Bark
✔
✘
✔
✘
Foliage Texture
Medium
Coarse
Foliage Sheen
Glossy
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Birds, Butterflies
Birds, Butterflies
Allergy
Mild Allergen
Anaphylaxis, Toxic
Uses
Aesthetic Uses
Showy Purposes
-
Beauty Benefits
Brightens the skin complexion, Good for skin and hair
Good for skin
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification, Shadow Tree
Plant Benefits
Medicinal Uses
Antibiotic, Antidote, Pulmonary afflictions, Recovering internal injuries
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
Fruits, Leaves
Fruits
Other Uses
Used as a nutritious food item, Used As Food, Used for its medicinal properties
Used As Food, Used as Ornamental plant
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Container, Edible, Feature Plant, Fruit / Fruit Tree, Hedges, Houseplant, Shade Trees, Topiary / Bonsai / Espalier, Tropical
Feature Plant, Shade Trees
Botanical Name
CITRUS medica
JUGLANS nigra
Common Name
Citron
Black Walnut
In Hindi
नीबू
काले अखरोट के पेड़
In German
Zitrone
Schwarz Walnussbaum
In French
Citron
Noir noyer
In Spanish
Cidra
nogal negro
In Greek
Κίτρο
Μαύρη καρυδιά
In Portuguese
cidra
nogueira preta
In Polish
Cytryna
Czarny orzech drzewo
In Latin
Chron
Niger walnut tree
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Sapindales
Juglandales
Family
Rutaceae
Juglandaceae
Genus
Citrus
Juglans
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Eudicots, Rosids
Tribe
Citreae
Juglandeae
Subfamily
Aurantioideae
Juglandinae
Number of Species
716
1
27800
👆🏻