Life Span
Perennial
Perennial
Origin
Southern Asia, India, Melanesia, Australia
Central Asia, India, Nepal
Types
etrog
White oak, Bluff oak, Muller oak
Habitat
Mediterranean region, Subtropical climates, Tropical regions
Clay soil areas, Dry areas, Sandy areas
USDA Hardiness Zone
9-11
6-9
Sunset Zone
H1, H2, 8, 9, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
H1, 7, 8, 9, 14, 15, 16, 17, 20, 21, 22, 23, 24
Habit
Oval or Rounded
Oval or Rounded
Flower Color
White, Purple
Red, Yellow green
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Yellow
Sandy Brown, Sienna
Leaf Color in Spring
Green, Dark Green
Green, Light Green, Gray
Leaf Color in Summer
Green, Dark Green
Green, Gray
Leaf Color in Fall
Green, Dark Green
Green, Dark Green, Gray
Leaf Color in Winter
Light Green
Dark Green, Gray
Leaf Shape
Ovate elongated
broad, flat
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall, Winter
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun
Growth Rate
Medium
Medium
Type of Soil
Clay, Loam, Sand
Loam
The pH of Soil
Acidic, Neutral
Acidic
Soil Drainage
Well drained
Average
Bloom Time
Early Spring, Spring, Winter, Late Winter, Indeterminate
Spring
Tolerances
Drought
Drought
Where to Plant?
Ground
Ground
How to Plant?
Seedlings, Transplanting
Seedlings, Transplanting
Plant Maintenance
Medium
Medium
Watering Requirements
Needs less watering
Average Water Needs
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil pH
Acidic, Neutral
Acidic
Soil Type
Clay, Loam, Sand
Loam
Soil Drainage Capacity
Well drained
Average
Sun Exposure
Full Sun, Partial Sun
Full Sun, Partial Sun
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer
All-Purpose Liquid Fertilizer
Pests and Diseases
Aphids, Citrus foot rot, Leafminers, Red blotch
Red blotch
Plant Tolerance
Drought
Drought
Flower Petal Number
Single
-
Fragrant Bark/Stem
Yes
No
Foliage Texture
Medium
Medium
Foliage Sheen
Glossy
Glossy
Attracts
Birds, Butterflies
Birds
Allergy
Mild Allergen
Pollen
Aesthetic Uses
Showy Purposes
Showy Purposes
Beauty Benefits
Brightens the skin complexion, Good for skin and hair
-
Environmental Uses
Air purification
Air purification, Nesting sites for birds, Shadow Tree, Shelter for wildlife, Wildlife
Medicinal Uses
Antibiotic, Antidote, Pulmonary afflictions, Recovering internal injuries
Chronic fatigue, Cramps, Diarrhea, Dysentry, gallstones, Haemorrhages, Menstrual Cramps
Part of Plant Used
Fruits, Leaves
Leaves, Seeds, Wood
Other Uses
Used as a nutritious food item, Used As Food, Used for its medicinal properties
Used as firewood, used for making charcoal
Used As Indoor Plant
No
No
Used As Outdoor Plant
Yes
Yes
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
QUERCUS leucotrichophora
Common Name
Citron
Banj Oak, Blackjack Oak, Himalayan Oak
In Hindi
नीबू
Blackjack Oak Tree
In German
Zitrone
Blackjack Oak Tree
In French
Citron
Blackjack Oak Tree
In Spanish
Cidra
Blackjack Oak Tree
In Greek
Κίτρο
Blackjack Oak Tree
In Portuguese
cidra
Blackjack Carvalho
In Polish
Cytryna
Blackjack Oak Tree
In Latin
Chron
Blackjack quercum ligno
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Eudicots, Rosids
Subfamily
Aurantioideae
-
Season and Care of Citron and Blackjack Oak
Season and care of Citron and Blackjack Oak is important to know. While considering everything about Citron and Blackjack Oak Care, growing season is an essential factor. Citron season is Spring, Summer, Fall and Winter and Blackjack Oak season is Spring, Summer, Fall and Winter. The type of soil for Citron is Clay, Loam, Sand and for Blackjack Oak is Loam while the PH of soil for Citron is Acidic, Neutral and for Blackjack Oak is Acidic.
Citron and Blackjack Oak Physical Information
Citron and Blackjack Oak physical information is very important for comparison. Citron height is 240.00 cm and width 180.00 cm whereas Blackjack Oak height is 2,286.00 cm and width 1,219.20 cm. The color specification of Citron and Blackjack Oak are as follows:
Citron flower color: White and Purple
Citron leaf color: Green and Dark Green
Blackjack Oak flower color: Red and Yellow green
- Blackjack Oak leaf color: Green, Light Green and Gray
Care of Citron and Blackjack Oak
Care of Citron and Blackjack Oak include pruning, fertilizers, watering etc. Citron pruning is done Remove damaged leaves, Remove dead branches and Remove dead leaves and Blackjack Oak pruning is done Remove damaged leaves, Remove dead branches and Remove dead leaves. In summer Citron needs Lots of watering and in winter, it needs Average Water. Whereas, in summer Blackjack Oak needs Lots of watering and in winter, it needs Average Water.