Life Span
Perennial
Perennial
Type
Herbs, Perennial
Tree
Origin
South-Eastern Asia
United States, California
Types
-
Quercus lobata
Number of Varieties
2010
0
40000
👆🏻
Habitat
Semi desert, Wet forest
Semi desert, Subtropical climates
USDA Hardiness Zone
9-117-9
0
99
👆🏻
AHS Heat Zone
12 - 9
9-6
Sunset Zone
-
3b, 4, 5, 6, 7, 8, 9, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Clump-Forming
Spreading
Plant Size
Minimum Height
460.00 cm1,650.00 cm
0
3900
👆🏻
Minimum Width
20.00 cm1,680.00 cm
0
6350
👆🏻
Plant Color
Flower Color
White
Red, Yellow green
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
Sienna, Chocolate
Leaf Color in Spring
Dark Green
Green
Leaf Color in Summer
Green, Light Green
Dark Green
Leaf Color in Fall
Dark Green
Yellow, Yellow green, Gold
Leaf Color in Winter
Dark Green
-
Shape
Leaf Shape
Elliptic
Irregular
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
Clay, Loam
The pH of Soil
Acidic, Neutral, Alkaline
Acidic, Neutral, Alkaline
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, Stem Planting
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs, Needs good drainage
Form a Soil ring to water efficiently, Keep ground moist, Requires watering in the growing season, Water more in summer, Water when soil is dry
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
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
Don't prune in winter, No pruning needed in the early stages, Prune if you want to improve plant shape, Remove deadheads
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
Fungal Diseases
Plant Tolerance
Heat Tolerance, Humidity
Drought
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
Medium
Medium
Foliage Sheen
Matte
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Aphids, Bees, Butterflies, Snails
Birds
Allergy
Dizziness, Mouth itching, Vomiting
-
Uses
Aesthetic Uses
Cottage Garden, Showy Purposes
-
Beauty Benefits
Good Cleanser, Good for the Scalp
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Insect Repellent
Air purification
Plant Benefits
Medicinal Uses
Antipyretic, Bronchitis, Cough, Digestive disorders, Ear infections, Expectorant, Laxative, Migraines, Piles, Rheumatism, Throat infection, Treating fever
-
Part of Plant Used
Bark, Leaf Stalks, Leaves
Bark, Leaves, Wood
Other Uses
Biomass for fuel, Can be made into a herbal tea, Culinary use, Oil is used for aromatherapy, Used as a laxative
Cattle Fodder, Used by tanners in tanning leather, Used in making musical instruments, Wood is used for making furniture, Wood is used for ship building, Wood is used in construction
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 lobata
Common Name
Malabar nut, Adulsa, Adhatoda, Vasaka
California Swamp Oak, California White Oak, Roble Oak, Valley Oak
In Hindi
अडुळसा, अडुसा
घाटी ओक
In German
Indisches Lungenkraut
Tal Eiche
In French
Justicia adhatoda
Oak Valley
In Spanish
Justicia adhatoda
valle del roble
In Greek
Justicia adhatoda
Valley Oak
In Portuguese
Justicia adhatoda
vale Oak
In Polish
Justicia adhatoda
Dolina Oak
In Latin
Justicia adhatoda
Oak vallis
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
-
Class
Magnoliopsida
-
Order
Scrophulariales
Fagales
Family
Acanthaceae
Fagaceae
Genus
Justicia
Quercus
Clade
Angiosperms, Monocots
Angiosperms, Eudicots, Rosids
Tribe
Justicieae
-
Subfamily
Acanthoideae
-
Number of Species
658600
1
27800
👆🏻