Life Span
Perennial
Perennial
Type
Herbs, Perennial
Tree
Origin
South-Eastern Asia
Central Asia, India, Nepal
Types
-
White oak, Bluff oak, Muller oak
Number of Varieties
20600
0
40000
👆🏻
Habitat
Semi desert, Wet forest
Clay soil areas, Dry areas, Sandy areas
USDA Hardiness Zone
9-116-9
0
99
👆🏻
AHS Heat Zone
12 - 9
7-5
Sunset Zone
-
H1, 7, 8, 9, 14, 15, 16, 17, 20, 21, 22, 23, 24
Habit
Clump-Forming
Oval or Rounded
Plant Size
Minimum Height
460.00 cm2,286.00 cm
0
3900
👆🏻
Minimum Width
20.00 cm1,219.20 cm
0
6350
👆🏻
Plant Color
Flower Color
White
Red, Yellow green
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
Sandy Brown, Sienna
Leaf Color in Spring
Dark Green
Green, Light Green, Gray
Leaf Color in Summer
Green, Light Green
Green, Gray
Leaf Color in Fall
Dark Green
Green, Dark Green, Gray
Leaf Color in Winter
Dark Green
Dark Green, Gray
Shape
Leaf Shape
Elliptic
broad, flat
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun
Growth Rate
Very Fast
Medium
Type of Soil
Clay, Loam, Sand
Loam
The pH of Soil
Acidic, Neutral, Alkaline
Acidic
Soil Drainage
Average
Average
Bloom Time
Indeterminate
Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Wet Site
Drought
Where to Plant?
Container, Ground
Ground
How to Plant?
Stem Cutting
Seedlings, Transplanting
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs, Needs good drainage
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, Neutral, Alkaline
Acidic
Soil Type
Clay, Loam, Sand
Loam
Soil Drainage Capacity
Average
Average
Sun Exposure
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun
Pruning
Cut away fading foliage, Cut upper 1/3 section when young to enhancegrowth, Remove damaged leaves, Remove dead branches, Remove dead leaves
Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer, Don't use high pH fertilizers
All-Purpose Liquid Fertilizer
Pests and Diseases
Aphids, Downy mildew, Dry root rot, Rust, Spider mites
Red blotch
Plant Tolerance
Heat Tolerance, Humidity
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
Matte
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Aphids, Bees, Butterflies, Snails
Birds
Allergy
Dizziness, Mouth itching, Vomiting
Pollen
Uses
Aesthetic Uses
Cottage Garden, Showy Purposes
Showy Purposes
Beauty Benefits
Good Cleanser, Good for the Scalp
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Insect Repellent
Air purification, Nesting sites for birds, Shadow Tree, Shelter for wildlife, Wildlife
Plant Benefits
Medicinal Uses
Antipyretic, Bronchitis, Cough, Digestive disorders, Ear infections, Expectorant, Laxative, Migraines, Piles, Rheumatism, Throat infection, Treating fever
Chronic fatigue, Cramps, Diarrhea, Dysentry, gallstones, Haemorrhages, Menstrual Cramps
Part of Plant Used
Bark, Leaf Stalks, Leaves
Leaves, Seeds, Wood
Other Uses
Biomass for fuel, Can be made into a herbal tea, Culinary use, Oil is used for aromatherapy, Used as a laxative
Used as firewood, used for making charcoal
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Container, Hedges, Mixed Border, Screening / Wind Break, Tropical
Feature Plant, Shade Trees
Botanical Name
Justicia adhatoda
QUERCUS leucotrichophora
Common Name
Malabar nut, Adulsa, Adhatoda, Vasaka
Banj Oak, Blackjack Oak, Himalayan Oak
In Hindi
अडुळसा, अडुसा
Blackjack Oak Tree
In German
Indisches Lungenkraut
Blackjack Oak Tree
In French
Justicia adhatoda
Blackjack Oak Tree
In Spanish
Justicia adhatoda
Blackjack Oak Tree
In Greek
Justicia adhatoda
Blackjack Oak Tree
In Portuguese
Justicia adhatoda
Blackjack Carvalho
In Polish
Justicia adhatoda
Blackjack Oak Tree
In Latin
Justicia adhatoda
Blackjack quercum ligno
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Scrophulariales
Fagales
Family
Acanthaceae
Fagaceae
Genus
Justicia
Quercus
Clade
Angiosperms, Monocots
Angiosperms, Eudicots, Rosids
Tribe
Justicieae
-
Subfamily
Acanthoideae
-
Number of Species
65860
1
27800
👆🏻