Life Span
Annual and Perennial
Perennial
Type
Tree
Herbs, Perennial
Origin
United States, Northeastern United States, Mid-Atlantic United States, Southeastern United States, Central United States, South-Central United States, Texas
South-Eastern Asia
Types
Quercus stellata
-
Number of Varieties
2020
0
40000
👆🏻
Habitat
Woodland Garden Canopy
Semi desert, Wet forest
USDA Hardiness Zone
5-99-11
0
99
👆🏻
AHS Heat Zone
9-4
12 - 9
Sunset Zone
7, 8, 9, 12, 13, 14, 15, 16, 18, 19, 20, 21, 22, 23, 24
-
Habit
Oval or Rounded
Clump-Forming
Plant Size
Minimum Height
1,830.00 cm460.00 cm
0
3900
👆🏻
Minimum Width
1,680.00 cm20.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Red, Light Yellow, Tan
White
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
-
Leaf Color in Spring
Dark Green
Dark Green
Leaf Color in Summer
Dark Green
Green, Light Green
Leaf Color in Fall
Orange, Tan, Bronze, Orange Red
Dark Green
Leaf Color in Winter
-
Dark Green
Shape
Leaf Shape
Elliptic and Ovate
Elliptic
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun, Partial shade
Growth Rate
Slow
Very Fast
Type of Soil
Clay, Loam, Sand
Clay, Loam, Sand
The pH of Soil
Acidic, Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Drainage
Average
Average
Bloom Time
Spring
Indeterminate
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought, Salt
Wet Site
Where to Plant?
Ground
Container, Ground
How to Plant?
Seedlings
Stem Cutting
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Needs less watering
Average Water Needs, Needs good drainage
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
Clay, Loam, Sand
Soil Drainage Capacity
Average
Average
Sun Exposure
Full Sun, Partial Sun
Full Sun, Partial Sun, Partial shade
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
Cut away fading foliage, Cut upper 1/3 section when young to enhancegrowth, Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer
All-Purpose Liquid Fertilizer, Don't use high pH fertilizers
Pests and Diseases
Red blotch
Aphids, Downy mildew, Dry root rot, Rust, Spider mites
Plant Tolerance
Drought
Heat Tolerance, Humidity
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
Coarse
Medium
Foliage Sheen
Glossy
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Birds
Aphids, Bees, Butterflies, Snails
Allergy
-
Dizziness, Mouth itching, Vomiting
Uses
Aesthetic Uses
Showy Purposes
Cottage Garden, Showy Purposes
Beauty Benefits
-
Good Cleanser, Good for the Scalp
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification, Insect Repellent
Plant Benefits
Medicinal Uses
Astringent, Emetic, Febrifuge, Tonic
Antipyretic, Bronchitis, Cough, Digestive disorders, Ear infections, Expectorant, Laxative, Migraines, Piles, Rheumatism, Throat infection, Treating fever
Part of Plant Used
Leaves, Seeds, Wood
Bark, Leaf Stalks, Leaves
Other Uses
Used As Food, Used as Ornamental plant, Used in pulpwood and lumber production
Biomass for fuel, Can be made into a herbal tea, Culinary use, Oil is used for aromatherapy, Used as a laxative
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Shade Trees, Street Trees
Container, Hedges, Mixed Border, Screening / Wind Break, Tropical
Botanical Name
QUERCUS stellata
Justicia adhatoda
Common Name
Post Oak
Malabar nut, Adulsa, Adhatoda, Vasaka
In Hindi
पोस्ट ओक
अडुळसा, अडुसा
In German
Post oak
Indisches Lungenkraut
In French
Post oak
Justicia adhatoda
In Spanish
Post oak
Justicia adhatoda
In Greek
Post Oak
Justicia adhatoda
In Portuguese
Post Oak
Justicia adhatoda
In Polish
post Oak
Justicia adhatoda
In Latin
Post quercu
Justicia adhatoda
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Fagales
Scrophulariales
Family
Fagaceae
Acanthaceae
Genus
Quercus
Justicia
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Monocots
Tribe
-
Justicieae
Subfamily
-
Acanthoideae
Number of Species
90658
1
27800
👆🏻