Life Span
Annual
Perennial
Type
Shrub
Tree
Origin
Southeastern Asia, India, China
North America, United States, Northeastern United States, Mid-Atlantic United States, Southeastern United States, Central United States, South-Central United States, Texas
Types
Shrub
Quercus phellos, Quercus nigra
Number of Varieties
155
0
40000
👆🏻
Habitat
Tropical regions
Hot climate regions, low mountains, Tropical regions
USDA Hardiness Zone
10-156-9
0
99
👆🏻
AHS Heat Zone
12-8
9-3
Sunset Zone
H1, H2, 13, 24
2a, 2b, 3a, 3b, 4, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 18, 19, 20, 21
Habit
Spreading
Oval or Rounded
Plant Size
Minimum Height
180.00 cm1,220.00 cm
0
3900
👆🏻
Minimum Width
240.00 cm910.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Lavender
Red, Light Green, Chartreuse
Flower Color Modifier
-
Bicolor
Fruit Color
Brown
Tan, Chocolate
Leaf Color in Spring
Gray Green, Silver
Green, Light Green
Leaf Color in Summer
Gray Green, Silver
Green, Dark Green
Leaf Color in Fall
Gray Green
Yellow, Orange, Sandy Brown
Leaf Color in Winter
Gray Green
-
Shape
Leaf Shape
Lobed
Irregular
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring, Fall
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun
Growth Rate
Fast
Fast
Type of Soil
Sand
Clay, Loam, Sand
The pH of Soil
Acidic, Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Drainage
Well drained
Average
Bloom Time
Indeterminate
Spring, Late Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought, Salt
Wet Site, Pollution, Soil Compaction
Where to Plant?
Ground
Ground
How to Plant?
Stem Cutting
Grafting, Seedlings
Plant Maintenance
Medium
Low
Watering Plants
Watering Requirements
Average Water Needs, Do Not over Water
Allow to dry out slightly between watering, Does not require lot of watering
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Acidic, Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Type
Sand
Clay, Loam, Sand
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
cut main flower spike, Prune every year, Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer
All-Purpose Liquid Fertilizer, Bonemeal, fertilize in growing season
Pests and Diseases
Red blotch
Azalea leaf gall, Fusarium leaf spot, Leaf rust, Mildew
Plant Tolerance
Drought
Heat Tolerance, Humidity, Salt and Soil Compaction
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
Bold
Fine
Foliage Sheen
Matte
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Butterflies
Birds
Allergy
-
Eczema, Rhinitis, Runny nose
Uses
Aesthetic Uses
Showy Purposes
Landscape Designing, Showy Purposes
Beauty Benefits
-
Blood purifying, Reduce Bruises, Weightloss
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification
Plant Benefits
Medicinal Uses
Abandonment, epilepsy, Fever, Gout, Leprosy, Skin irritation, Syphilis, Tooth ache, Ulcers
Gout, Obesity, Snoring
Part of Plant Used
Flowers, Leaves, Root
Bark, Stem
Other Uses
Used for its medicinal properties
Animal Feed, Biodiesel, Recovering internal injuries
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Container, Feature Plant, Mixed Border, Rock Garden, Wall, Tropical
Shade Trees, Street Trees
Botanical Name
CALOTROPIS gigantea
QUERCUS phellos
Common Name
Crown flower
Willow Oak
In Hindi
Crown flower
Overcup ओक
In German
Crown Blume
Overcup Oak
In French
fleur de la Couronne
Overcup Oak
In Spanish
flor de la corona
Overcup Roble
In Greek
στέμμα λουλούδι
Overcup Oak
In Portuguese
coroa da flor
Overcup Oak
In Polish
korona kwiatu
Overcup Dąb
In Latin
flos florum
Oryza
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
-
Class
Magnoliopsida
Magnoliopsida
Order
Gentianales
Fagales
Family
Asclepiadaceae
Fagaceae
Genus
Calotropis
Quercus
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Eudicots, Rosids
Tribe
-
-
Subfamily
Asclepiadoideae
Amaryllidoideae
Number of Species
200400
1
27800
👆🏻