Life Span
Perennial
Perennial
Type
Tree
Shrub
Origin
Central Asia, India, Nepal
Mexico
Types
White oak, Bluff oak, Muller oak
Pink cestrum, Red cestrum, Purple cestrum
Number of Varieties
600175
0
40000
👆🏻
Habitat
Clay soil areas, Dry areas, Sandy areas
gardens, High elevation, Roadsides
USDA Hardiness Zone
6-99-15
0
99
👆🏻
AHS Heat Zone
7-5
12-10
Sunset Zone
H1, 7, 8, 9, 14, 15, 16, 17, 20, 21, 22, 23, 24
H1, H2, 13, 17, 19, 20, 21, 22, 23, 24
Habit
Oval or Rounded
Arching/Fountain-shaped
Plant Size
Minimum Height
2,286.00 cm300.00 cm
0
3900
👆🏻
Minimum Width
1,219.20 cm300.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Red, Yellow green
Magenta, Crimson, Violet
Flower Color Modifier
Bicolor
-
Fruit Color
Sandy Brown, Sienna
Red
Leaf Color in Spring
Green, Light Green, Gray
Green, Light Green
Leaf Color in Summer
Green, Gray
Green
Leaf Color in Fall
Green, Dark Green, Gray
Green
Leaf Color in Winter
Dark Green, Gray
Green
Shape
Leaf Shape
broad, flat
Ovate
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Summer, Fall
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun
Growth Rate
Medium
Fast
Type of Soil
Loam
Loam, Sand
The pH of Soil
Acidic
Acidic, Neutral
Soil Drainage
Average
Well drained
Bloom Time
Spring
Early Spring, Spring, Late Spring, Early Summer, Summer, Late Summer, Early Fall
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Drought
Where to Plant?
Ground
Ground, Pot
How to Plant?
Seedlings, Transplanting
Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs
Average Water Needs
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Acidic
Acidic, Neutral
Soil Type
Loam
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, Remove dead or diseased plant parts
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
Medium
Foliage Sheen
Glossy
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Birds
Birds, Hummingbirds, Butterflies
Allergy
Pollen
-
Uses
Aesthetic Uses
Showy Purposes
Bonsai, Hanging Basket, 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
-
Part of Plant Used
Leaves, Seeds, Wood
Flowers, Fruits, Seeds
Other Uses
Used as firewood, used for making charcoal
Showy Purposes
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Shade Trees
Cutflower, Feature Plant, Foundation, Mixed Border, Screening, Wind Break, Tropical
Botanical Name
QUERCUS leucotrichophora
CESTRUM elegans
Common Name
Banj Oak, Blackjack Oak, Himalayan Oak
Crimson cestrum, Elegant poison-berry, Purple cestrum, Red cestrum
In Hindi
Blackjack Oak Tree
Butterfly Flower plant
In German
Blackjack Oak Tree
Schmetterlings-Blumen- Anlage
In French
Blackjack Oak Tree
usine de fleur de papillon
In Spanish
Blackjack Oak Tree
planta de la flor de mariposa
In Greek
Blackjack Oak Tree
φυτό Πεταλούδα λουλούδι
In Portuguese
Blackjack Carvalho
planta de flor de borboleta
In Polish
Blackjack Oak Tree
Motyl Kwiat roślin
In Latin
Blackjack quercum ligno
Flos plantae Gloria
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Fagales
Solanales
Family
Fagaceae
Solanaceae
Genus
Quercus
Cestrum
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Asterids, Eudicots
Tribe
-
Cestreae
Subfamily
-
Browallioideae
Number of Species
60250
1
27800
👆🏻