Life Span
Perennial
Annual and Perennial
Type
Tree
Tender Perennial
Origin
Central Asia, India, Nepal
Eastern Africa
Types
White oak, Bluff oak, Muller oak
-
Number of Varieties
60015
0
40000
👆🏻
Habitat
Clay soil areas, Dry areas, Sandy areas
Rocky Ridges, Shores of rivers or lakes, Tropical Climate, tropical environments
USDA Hardiness Zone
6-911-12
0
99
👆🏻
AHS Heat Zone
7-5
7-1
Sunset Zone
H1, 7, 8, 9, 14, 15, 16, 17, 20, 21, 22, 23, 24
H1, 23, 24
Habit
Oval or Rounded
Cushion/Mound-forming
Plant Size
Minimum Height
2,286.00 cm25.40 cm
0
3900
👆🏻
Minimum Width
1,219.20 cm25.40 cm
0
6350
👆🏻
Plant Color
Flower Color
Red, Yellow green
Purple, Violet
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Sandy Brown, Sienna
-
Leaf Color in Spring
Green, Light Green, Gray
Dark Green
Leaf Color in Summer
Green, Gray
Dark Green
Leaf Color in Fall
Green, Dark Green, Gray
Dark Green
Leaf Color in Winter
Dark Green, Gray
Light Green
Shape
Leaf Shape
broad, flat
Ovate
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun
Growth Rate
Medium
Slow
Type of Soil
Loam
Loam
The pH of Soil
Acidic
Neutral
Soil Drainage
Average
Average
Bloom Time
Spring
Indeterminate
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Drought
Where to Plant?
Ground
Container, Ground, Pot
How to Plant?
Seedlings, Transplanting
Seedlings, stem tip cuttings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs
Keep ground moist, Keep the Soil well drained, Medium, Requires regular watering
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Acidic
Neutral
Soil Type
Loam
Loam
Soil Drainage Capacity
Average
Average
Sun Exposure
Full Sun, Partial Sun
Full Sun, Partial Sun
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
Pinch Tips, Prune prior to new growth, Prune to stimulate growth
Fertilizers
All-Purpose Liquid Fertilizer
All-Purpose Liquid Fertilizer
Pests and Diseases
Red blotch
Grey mold, Leaf spot, Mites, Root rot
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
Fine
Foliage Sheen
Glossy
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Birds
Butterflies, Flying insects, Hummingbirds
Allergy
Pollen
Pollen
Uses
Aesthetic Uses
Showy Purposes
Bouquets, Cut Flowers, Decorating walls, Hanging Basket, Showy Purposes, Used for decorating walls, fences, gates, hedges, etc.
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, Leaves
Other Uses
Used as firewood, used for making charcoal
Used as Ornamental plant, Used for bedding in gardens
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Shade Trees
Container, Edging, Houseplant, Tropical
Botanical Name
QUERCUS leucotrichophora
EXACUM affine
Common Name
Banj Oak, Blackjack Oak, Himalayan Oak
German Violet, Persian Violet
In Hindi
Blackjack Oak Tree
persian violet
In German
Blackjack Oak Tree
persian violet
In French
Blackjack Oak Tree
persian violet
In Spanish
Blackjack Oak Tree
Violeta persa
In Greek
Blackjack Oak Tree
Περσικό Violet
In Portuguese
Blackjack Carvalho
Violeta persa
In Polish
Blackjack Oak Tree
Persian Violet
In Latin
Blackjack quercum ligno
hyacinthum Persarum
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Tracheophyta
Class
Magnoliopsida
Magnoliopsida
Order
Fagales
Gentianales
Family
Fagaceae
Gentianaceae
Genus
Quercus
Exacum
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Asterids, Eudicots
Tribe
-
Exaceae
Subfamily
-
-
Number of Species
6025
1
27800
👆🏻