Life Span
Perennial
Annual
Type
Tree
Shrub
Origin
Central Asia, India, Nepal
Southeastern Asia, India, China
Types
White oak, Bluff oak, Muller oak
Shrub
Number of Varieties
6001
0
40000
👆🏻
Habitat
Clay soil areas, Dry areas, Sandy areas
Tropical regions
USDA Hardiness Zone
6-910-15
0
99
👆🏻
AHS Heat Zone
7-5
12-8
Sunset Zone
H1, 7, 8, 9, 14, 15, 16, 17, 20, 21, 22, 23, 24
H1, H2, 13, 24
Habit
Oval or Rounded
Spreading
Plant Size
Minimum Height
2,286.00 cm180.00 cm
0
3900
👆🏻
Minimum Width
1,219.20 cm240.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Red, Yellow green
Lavender
Flower Color Modifier
Bicolor
-
Fruit Color
Sandy Brown, Sienna
Brown
Leaf Color in Spring
Green, Light Green, Gray
Gray Green, Silver
Leaf Color in Summer
Green, Gray
Gray Green, Silver
Leaf Color in Fall
Green, Dark Green, Gray
Gray Green
Leaf Color in Winter
Dark Green, Gray
Gray Green
Shape
Leaf Shape
broad, flat
Lobed
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun
Growth Rate
Medium
Fast
Type of Soil
Loam
Sand
The pH of Soil
Acidic
Acidic, Neutral, Alkaline
Soil Drainage
Average
Well drained
Bloom Time
Spring
Indeterminate
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Drought, Salt
Where to Plant?
Ground
Ground
How to Plant?
Seedlings, Transplanting
Stem Cutting
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs
Average Water Needs, Do Not over Water
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Acidic
Acidic, Neutral, Alkaline
Soil Type
Loam
Sand
Soil Drainage Capacity
Average
Well drained
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
Red blotch
Red blotch
Plant Tolerance
Drought
Drought
Flowers
✔
✘
✔
✘
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
Bold
Foliage Sheen
Glossy
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Birds
Butterflies
Allergy
Pollen
-
Uses
Aesthetic Uses
Showy Purposes
Showy Purposes
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Nesting sites for birds, Shadow Tree, Shelter for wildlife, Wildlife
Air purification
Plant Benefits
Medicinal Uses
Chronic fatigue, Cramps, Diarrhea, Dysentry, gallstones, Haemorrhages, Menstrual Cramps
Abandonment, epilepsy, Fever, Gout, Leprosy, Skin irritation, Syphilis, Tooth ache, Ulcers
Part of Plant Used
Leaves, Seeds, Wood
Flowers, Leaves, Root
Other Uses
Used as firewood, used for making charcoal
Used for its medicinal properties
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Shade Trees
Container, Feature Plant, Mixed Border, Rock Garden, Wall, Tropical
Botanical Name
QUERCUS leucotrichophora
CALOTROPIS gigantea
Common Name
Banj Oak, Blackjack Oak, Himalayan Oak
Crown flower
In Hindi
Blackjack Oak Tree
Crown flower
In German
Blackjack Oak Tree
Crown Blume
In French
Blackjack Oak Tree
fleur de la Couronne
In Spanish
Blackjack Oak Tree
flor de la corona
In Greek
Blackjack Oak Tree
στέμμα λουλούδι
In Portuguese
Blackjack Carvalho
coroa da flor
In Polish
Blackjack Oak Tree
korona kwiatu
In Latin
Blackjack quercum ligno
flos florum
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Fagales
Gentianales
Family
Fagaceae
Asclepiadaceae
Genus
Quercus
Calotropis
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Asterids, Eudicots
Tribe
-
-
Subfamily
-
Asclepiadoideae
Number of Species
60200
1
27800
👆🏻