Life Span
Perennial
Annual
Type
Tree
Shrub
Origin
North America, United States, Northeastern United States, Mid-Atlantic United States, Southeastern United States, Central United States, South-Central United States, Texas
Southeastern Asia, India, China
Types
Quercus phellos, Quercus nigra
Shrub
Number of Varieties
551
0
40000
👆🏻
Habitat
Hot climate regions, low mountains, Tropical regions
Tropical regions
USDA Hardiness Zone
6-910-15
0
99
👆🏻
AHS Heat Zone
9-3
12-8
Sunset Zone
2a, 2b, 3a, 3b, 4, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 18, 19, 20, 21
H1, H2, 13, 24
Habit
Oval or Rounded
Spreading
Plant Size
Minimum Height
1,220.00 cm180.00 cm
0
3900
👆🏻
Minimum Width
910.00 cm240.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Red, Light Green, Chartreuse
Lavender
Flower Color Modifier
Bicolor
-
Fruit Color
Tan, Chocolate
Brown
Leaf Color in Spring
Green, Light Green
Gray Green, Silver
Leaf Color in Summer
Green, Dark Green
Gray Green, Silver
Leaf Color in Fall
Yellow, Orange, Sandy Brown
Gray Green
Leaf Color in Winter
-
Gray Green
Shape
Leaf Shape
Irregular
Lobed
Thorns
✔
✘
✔
✘
Plant Season
Spring, Fall
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun
Growth Rate
Fast
Fast
Type of Soil
Clay, Loam, Sand
Sand
The pH of Soil
Acidic, Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Drainage
Average
Well drained
Bloom Time
Spring, Late Spring
Indeterminate
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Wet Site, Pollution, Soil Compaction
Drought, Salt
Where to Plant?
Ground
Ground
How to Plant?
Grafting, Seedlings
Stem Cutting
Plant Maintenance
Low
Medium
Watering Plants
Watering Requirements
Allow to dry out slightly between watering, Does not require lot of watering
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, Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Type
Clay, Loam, Sand
Sand
Soil Drainage Capacity
Average
Well drained
Sun Exposure
Full Sun, Partial Sun
Full Sun, Partial Sun
Pruning
cut main flower spike, Prune every year, Remove damaged leaves, Remove dead branches, Remove dead leaves
Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer, Bonemeal, fertilize in growing season
All-Purpose Liquid Fertilizer
Pests and Diseases
Azalea leaf gall, Fusarium leaf spot, Leaf rust, Mildew
Red blotch
Plant Tolerance
Heat Tolerance, Humidity, Salt and Soil Compaction
Drought
Flowers
Insignificant
Showy
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
Fine
Bold
Foliage Sheen
Glossy
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Birds
Butterflies
Allergy
Eczema, Rhinitis, Runny nose
-
Uses
Aesthetic Uses
Landscape Designing, Showy Purposes
Showy Purposes
Beauty Benefits
Blood purifying, Reduce Bruises, Weightloss
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification
Plant Benefits
Medicinal Uses
Gout, Obesity, Snoring
Abandonment, epilepsy, Fever, Gout, Leprosy, Skin irritation, Syphilis, Tooth ache, Ulcers
Part of Plant Used
Bark, Stem
Flowers, Leaves, Root
Other Uses
Animal Feed, Biodiesel, Recovering internal injuries
Used for its medicinal properties
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Shade Trees, Street Trees
Container, Feature Plant, Mixed Border, Rock Garden, Wall, Tropical
Botanical Name
QUERCUS phellos
CALOTROPIS gigantea
Common Name
Willow Oak
Crown flower
In Hindi
Overcup ओक
Crown flower
In German
Overcup Oak
Crown Blume
In French
Overcup Oak
fleur de la Couronne
In Spanish
Overcup Roble
flor de la corona
In Greek
Overcup Oak
στέμμα λουλούδι
In Portuguese
Overcup Oak
coroa da flor
In Polish
Overcup Dąb
korona kwiatu
In Latin
Oryza
flos florum
Kingdom
Plantae
Plantae
Phylum
-
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Fagales
Gentianales
Family
Fagaceae
Asclepiadaceae
Genus
Quercus
Calotropis
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Asterids, Eudicots
Tribe
-
-
Subfamily
Amaryllidoideae
Asclepiadoideae
Number of Species
400200
1
27800
👆🏻