Life Span
Annual and Perennial
Perennial
Type
Tender Perennial
Tree
Origin
Eastern Africa
Northeastern United States, Mid-Atlantic United States, Central United States, Canada
Types
-
Blue ash, Single-leaf ash, Fragrant ash
Habitat
Rocky Ridges, Shores of rivers or lakes, Tropical Climate, tropical environments
Moist Soils
USDA Hardiness Zone
11-12
3-7
Habit
Cushion/Mound-forming
Upright/Erect
Flower Color
Purple, Violet
Green, Purple
Flower Color Modifier
Bicolor
Bicolor
Leaf Color in Spring
Dark Green
Green, Dark Green
Leaf Color in Summer
Dark Green
Dark Green
Leaf Color in Fall
Dark Green
Yellow, Yellow green, Brown, Bronze
Leaf Color in Winter
Light Green
-
Plant Season
Spring, Summer, Fall
Spring, Summer
Sunlight
Full Sun, Partial Sun
Full Sun
Type of Soil
Loam
Clay, Loam, Sand
The pH of Soil
Neutral
Acidic, Neutral
Soil Drainage
Average
Average
Bloom Time
Indeterminate
Early Spring, Spring
Tolerances
Drought
Wet Site
Where to Plant?
Container, Ground, Pot
Ground
How to Plant?
Seedlings, stem tip cuttings
Seedlings
Plant Maintenance
Medium
Medium
Watering Requirements
Keep ground moist, Keep the Soil well drained, Medium, Requires regular watering
Average Water Needs
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil pH
Neutral
Acidic, Neutral
Soil Type
Loam
Clay, Loam, Sand
Soil Drainage Capacity
Average
Average
Sun Exposure
Full Sun, Partial Sun
Full Sun
Pruning
Pinch Tips, Prune prior to new growth, Prune to stimulate growth
Prune in fall, Prune in winter, Prune when plant is dormant, Remove branches, Remove damaged leaves, Remove dead branches, Remove dead leaves, Remove dead or diseased plant parts, Remove short twigs
Fertilizers
All-Purpose Liquid Fertilizer
All-Purpose Liquid Fertilizer
Pests and Diseases
Grey mold, Leaf spot, Mites, Root rot
Red blotch
Plant Tolerance
Drought
Wet Site
Flowers
Showy
Insignificant
Flower Petal Number
Single
-
Foliage Texture
Fine
Medium
Foliage Sheen
Glossy
Glossy
Attracts
Butterflies, Flying insects, Hummingbirds
Birds
Aesthetic Uses
Bouquets, Cut Flowers, Decorating walls, Hanging Basket, Showy Purposes, Used for decorating walls, fences, gates, hedges, etc.
Showy Purposes
Edible Uses
-
Insignificant
Environmental Uses
Air purification
Air purification, Nesting sites for birds, Wildlife, Windbreak
Medicinal Uses
-
Antirheumatic, Diaphoretic, Diuretic, Fever, Gout, Laxative, Ophthalmic, Purgative, Sore Eyes, Sore throat, Tonic
Part of Plant Used
Flowers, Leaves
Inner Bark, Leaves, Tree trunks
Other Uses
Used as Ornamental plant, Used for bedding in gardens
Basketary, Used as a dye, Used as fuel, Used for woodware
Used As Indoor Plant
Yes
No
Used As Outdoor Plant
Yes
Yes
Garden Design
Container, Edging, Houseplant, Tropical
Shade Trees, Water Gardens
Botanical Name
EXACUM affine
FRAXINUS nigra
Common Name
German Violet, Persian Violet
Black Ash, Brown Ash, Swamp Ash
In Hindi
persian violet
Black Ash plant
In German
persian violet
Black Ash Pflanze
In French
persian violet
plante Black Ash
In Spanish
Violeta persa
planta de negro de Ceniza
In Greek
Περσικό Violet
φυτό μαύρη τέφρα
In Portuguese
Violeta persa
planta Black Ash
In Polish
Persian Violet
Black Ash roślin
In Latin
hyacinthum Persarum
Black ash herba
Phylum
Tracheophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Gentianales
Scrophulariales
Family
Gentianaceae
Oleaceae
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Asterids, Eudicots
Season and Care of Persian Violet and Black Ash
Season and care of Persian Violet and Black Ash is important to know. While considering everything about Persian Violet and Black Ash Care, growing season is an essential factor. Persian Violet season is Spring, Summer and Fall and Black Ash season is Spring, Summer and Fall. The type of soil for Persian Violet is Loam and for Black Ash is Clay, Loam, Sand while the PH of soil for Persian Violet is Neutral and for Black Ash is Acidic, Neutral.
Persian Violet and Black Ash Physical Information
Persian Violet and Black Ash physical information is very important for comparison. Persian Violet height is 25.40 cm and width 25.40 cm whereas Black Ash height is 1,220.00 cm and width 610.00 cm. The color specification of Persian Violet and Black Ash are as follows:
Persian Violet flower color: Purple and Violet
Persian Violet leaf color: Dark Green
Black Ash flower color: Green and Purple
- Black Ash leaf color: Green and Dark Green
Care of Persian Violet and Black Ash
Care of Persian Violet and Black Ash include pruning, fertilizers, watering etc. Persian Violet pruning is done Pinch Tips, Prune prior to new growth and Prune to stimulate growth and Black Ash pruning is done Prune in fall, Prune in winter, Prune when plant is dormant, Remove branches, Remove damaged leaves, Remove dead branches, Remove dead leaves, Remove dead or diseased plant parts and Remove short twigs. In summer Persian Violet needs Lots of watering and in winter, it needs Average Water. Whereas, in summer Black Ash needs Lots of watering and in winter, it needs Average Water.