Life Span
Annual and Perennial
Perennial
Type
Tender Perennial
Tree
Origin
Eastern Africa
North America, United States, Northeastern United States, Mid-Atlantic United States, Southeastern United States, Central United States, South-Central United States, Texas
Types
-
Quercus phellos, Quercus nigra
Number of Varieties
1555
0
40000
👆🏻
Habitat
Rocky Ridges, Shores of rivers or lakes, Tropical Climate, tropical environments
Hot climate regions, low mountains, Tropical regions
USDA Hardiness Zone
11-126-9
0
99
👆🏻
AHS Heat Zone
7-1
9-3
Sunset Zone
H1, 23, 24
2a, 2b, 3a, 3b, 4, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 18, 19, 20, 21
Habit
Cushion/Mound-forming
Oval or Rounded
Plant Size
Minimum Height
25.40 cm1,220.00 cm
0
3900
👆🏻
Minimum Width
25.40 cm910.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Purple, Violet
Red, Light Green, Chartreuse
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
Tan, Chocolate
Leaf Color in Spring
Dark Green
Green, Light Green
Leaf Color in Summer
Dark Green
Green, Dark Green
Leaf Color in Fall
Dark Green
Yellow, Orange, Sandy Brown
Leaf Color in Winter
Light Green
-
Shape
Leaf Shape
Ovate
Irregular
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall
Spring, Fall
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun
Growth Rate
Slow
Fast
Type of Soil
Loam
Clay, Loam, Sand
The pH of Soil
Neutral
Acidic, Neutral, Alkaline
Soil Drainage
Average
Average
Bloom Time
Indeterminate
Spring, Late Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Wet Site, Pollution, Soil Compaction
Where to Plant?
Container, Ground, Pot
Ground
How to Plant?
Seedlings, stem tip cuttings
Grafting, Seedlings
Plant Maintenance
Medium
Low
Watering Plants
Watering Requirements
Keep ground moist, Keep the Soil well drained, Medium, Requires regular watering
Allow to dry out slightly between watering, Does not require lot of watering
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Neutral
Acidic, Neutral, Alkaline
Soil Type
Loam
Clay, Loam, Sand
Soil Drainage Capacity
Average
Average
Sun Exposure
Full Sun, Partial Sun
Full Sun, Partial Sun
Pruning
Pinch Tips, Prune prior to new growth, Prune to stimulate growth
cut main flower spike, Prune every year, Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer
All-Purpose Liquid Fertilizer, Bonemeal, fertilize in growing season
Pests and Diseases
Grey mold, Leaf spot, Mites, Root rot
Azalea leaf gall, Fusarium leaf spot, Leaf rust, Mildew
Plant Tolerance
Drought
Heat Tolerance, Humidity, Salt and Soil Compaction
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
Fine
Fine
Foliage Sheen
Glossy
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Butterflies, Flying insects, Hummingbirds
Birds
Allergy
Pollen
Eczema, Rhinitis, Runny nose
Uses
Aesthetic Uses
Bouquets, Cut Flowers, Decorating walls, Hanging Basket, Showy Purposes, Used for decorating walls, fences, gates, hedges, etc.
Landscape Designing, Showy Purposes
Beauty Benefits
-
Blood purifying, Reduce Bruises, Weightloss
Edible Uses
-
Sometimes
Environmental Uses
Air purification
Air purification
Plant Benefits
Medicinal Uses
-
Gout, Obesity, Snoring
Part of Plant Used
Flowers, Leaves
Bark, Stem
Other Uses
Used as Ornamental plant, Used for bedding in gardens
Animal Feed, Biodiesel, Recovering internal injuries
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Container, Edging, Houseplant, Tropical
Shade Trees, Street Trees
Botanical Name
EXACUM affine
QUERCUS phellos
Common Name
German Violet, Persian Violet
Willow Oak
In Hindi
persian violet
Overcup ओक
In German
persian violet
Overcup Oak
In French
persian violet
Overcup Oak
In Spanish
Violeta persa
Overcup Roble
In Greek
Περσικό Violet
Overcup Oak
In Portuguese
Violeta persa
Overcup Oak
In Polish
Persian Violet
Overcup Dąb
In Latin
hyacinthum Persarum
Oryza
Kingdom
Plantae
Plantae
Phylum
Tracheophyta
-
Class
Magnoliopsida
Magnoliopsida
Order
Gentianales
Fagales
Family
Gentianaceae
Fagaceae
Genus
Exacum
Quercus
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Eudicots, Rosids
Tribe
Exaceae
-
Subfamily
-
Amaryllidoideae
Number of Species
25400
1
27800
👆🏻