Life Span
Perennial
  
Perennial
  
Type
Tree
  
Herbs, Shrub
  
Origin
Hybrid origin
  
Asia, China, Japan, South-Eastern Asia
  
Types
Honey Locust
  
Not Available
  
Habitat
Woodland Garden Canopy
  
Semi desert, Shaded sites, Shady Edge
  
USDA Hardiness Zone
5-8
  
6-10
  
AHS Heat Zone
9-3
  
10-5
  
Sunset Zone
2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
  
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
  
Habit
Upright/Erect
  
Spreading
  
Plant Size
  
  
Minimum Height
1,524.00 cm
  
27
Minimum Width
1,066.80 cm
  
20
Plant Color
  
  
Flower Color
Rose, Violet
  
Pale White
  
Flower Color Modifier
Bicolor
  
Bicolor
  
Fruit Color
Purple, Brown
  
Green, Light Green
  
Leaf Color in Spring
Red, Crimson, Bronze
  
Green
  
Leaf Color in Summer
Green, Blue Green
  
Green
  
Leaf Color in Fall
Yellow green
  
Green
  
Leaf Color in Winter
Not Available
  
Green
  
Shape
  
  
Leaf Shape
Pinnate
  
Circular
  
Thorns
Yes
  
No
  
Plant Season
Spring, Summer, Fall, Winter
  
Spring, Summer, Fall, Winter
  
Growing Conditions
  
  
Sunlight
Full Sun
  
Partial Sun, Partial shade
  
Growth Rate
Fast
  
Fast
  
Type of Soil
Clay, Loam, Sand
  
Clay, Loam, Sand
  
The pH of Soil
Acidic, Neutral, Alkaline
  
Acidic, Neutral
  
Soil Drainage
Average
  
Average
  
Bloom Time
Spring, Late Spring
  
Not Available
  
Repeat Bloomer
No
  
No
  
Tolerances
Pollution, Drought, Salt, Soil Compaction
  
Pollution, Soil Compaction
  
Where to Plant?
Ground
  
Container, Ground
  
How to Plant?
Seedlings
  
Cuttings, Stem Cutting, Vegetative Reproduction
  
Plant Maintenance
Medium
  
Low
  
Watering Plants
  
  
Watering Requirements
Average Water Needs, Needs a lot of water initially, occasional watering once established
  
Needs Very high moisture, Never Over-water
  
In Summer
Lots of watering
  
Ample Water
  
In Spring
Moderate
  
Moderate
  
In Winter
Average Water
  
Average Water
  
Soil
  
  
Soil pH
Acidic, Neutral, Alkaline
  
Acidic, Neutral
  
Soil Type
Clay, Loam, Sand
  
Clay, Loam, Sand
  
Soil Drainage Capacity
Average
  
Average
  
Sun Exposure
Full Sun
  
Partial Sun, Partial shade
  
Pruning
Cut limbs, Prune in winter, Prune up lowest branches, Remove branches, Remove damaged leaves, Remove dead branches, Remove dead leaves
  
Prune to stimulate growth, Remove damaged leaves, Remove dead branches, Remove dead leaves
  
Fertilizers
All-Purpose Liquid Fertilizer, Nitrogen
  
All-Purpose Liquid Fertilizer, Compost
  
Pests and Diseases
Red blotch
  
Red blotch
  
Plant Tolerance
Drought, Pollution, Salt, Soil Compaction
  
Shade areas, Shallow soil, Sun
  
Flowers
Yes
  
None
  
Flower Petal Number
Single
  
Single
  
Fruits
  
  
Showy Fruit
No
  
No
  
Edible Fruit
No
  
No
  
Fragrance
  
  
Fragrant Flower
Yes
  
No
  
Fragrant Fruit
No
  
No
  
Fragrant Leaf
No
  
No
  
Fragrant Bark/Stem
No
  
No
  
Showy Foliage
Yes
  
No
  
Showy Bark
Yes
  
No
  
Foliage Texture
Medium
  
Medium
  
Foliage Sheen
Matte
  
Matte
  
Evergreen
No
  
No
  
Invasive
Sometimes
  
Sometimes
  
Self-Sowing
Yes
  
No
  
Attracts
Birds, Butterflies
  
Aphids, Rabbits, Snails
  
Allergy
Abdominal pain, Depression, Diarrhea, Digestive Problems, gastro-intestinal problems, Kidney Disease, Liver disease, Nausea, Vomiting, weakness
  
Abdominal distension
  
Uses
  
  
Aesthetic Uses
Showy Purposes
  
Beautification, Showy Purposes, small hedge
  
Beauty Benefits
Good for skin
  
Blood purifying, Making cosmetics, Remove blemishes
  
Edible Uses
Yes
  
Yes
  
Environmental Uses
Air purification, Shadow Tree, soil stabilisation
  
Air purification
  
Plant Benefits
  
  
Medicinal Uses
Antispasmodic, Antivinous, Cancer, Cholagogue, Diuretic, Emetic, Emmoiliant, Eye Problems, Febrifuge, Laxative, Purgative, Tonic
  
Appetizer, Cardiac, constipation, Digestion problems, Eliminate toxins, Liver problems
  
Part of Plant Used
Flowers, Seeds, Wood
  
Leaf Stalks, Leaves, Seeds
  
Other Uses
Fibre, For making oil, Used as a dye, Used as essential oil, Used as fuel, Used for woodware
  
Oil is used for aromatherapy, Powdered and mixed with tea, Showy Purposes, Traditionally considered as lucky plant, Used as a laxative, Used as a thickener in soups
  
Used As Indoor Plant
No
  
Yes
  
Used As Outdoor Plant
Yes
  
Yes
  
Garden Design
Feature Plant, Shade Trees, Street Trees
  
Groundcover
  
Botanical Name
ROBINIA 'Purple Robe'
  
PLEIOBLASTUS distichus
  
Common Name
Hybrid Black Locust, Purple Robe Locust
  
Dwarf Bamboo
  
In Hindi
Black Locust Tree
  
अजवाइन
  
In German
Schwarz Locust Tree
  
Ajowan
  
In French
Noir Arbre Locust
  
Ajowan
  
In Spanish
Negro del árbol de la langosta
  
Trachyspermum ammi
  
In Greek
Μαύρο Locust Tree
  
σπόρους καραμπίνα
  
In Portuguese
Árvore Locust Preto
  
aipo
  
In Polish
Robinii akacjowej Drzewo
  
seler
  
In Latin
Locusta arbor Niger
  
semina Carom
  
Kingdom
Plantae
  
Plantae
  
Phylum
Magnoliophyta
  
Magnoliophyta
  
Class
Magnoliopsida
  
Magnoliopsida
  
Order
Fabales
  
Apiales
  
Family
Fabaceae
  
Apiaceae
  
Genus
Robinia
  
Trachyspermum
  
Clade
Angiosperms, Eudicots, Rosids
  
Angiosperms, Asterids, Eudicots
  
Tribe
Robinieae
  
Apieae
  
Subfamily
Faboideae
  
Apioideae
  
Number of Species
Not Available
  
Not Available
  
Season and Care of Black Locust and Ajwain plant
Season and care of Black Locust and Ajwain plant is important to know. While considering everything about Black Locust and Ajwain plant Care, growing season is an essential factor. Black Locust season is Spring, Summer, Fall and Winter and Ajwain plant season is Spring, Summer, Fall and Winter. The type of soil for Black Locust is Clay, Loam, Sand and for Ajwain plant is Clay, Loam, Sand while the PH of soil for Black Locust is Acidic, Neutral, Alkaline and for Ajwain plant is Acidic, Neutral.
Black Locust and Ajwain plant Physical Information
Black Locust and Ajwain plant physical information is very important for comparison. Black Locust height is 1,524.00 cm and width 1,066.80 cm whereas Ajwain plant height is 5.00 cm and width 10.00 cm. The color specification of Black Locust and Ajwain plant are as follows:
Black Locust flower color: Rose and Violet
Black Locust leaf color: Red, Crimson and Bronze
Ajwain plant flower color: Pale White
- Ajwain plant leaf color: Green
Care of Black Locust and Ajwain plant
Care of Black Locust and Ajwain plant include pruning, fertilizers, watering etc. Black Locust pruning is done Cut limbs, Prune in winter, Prune up lowest branches, Remove branches, Remove damaged leaves, Remove dead branches and Remove dead leaves and Ajwain plant pruning is done Prune to stimulate growth, Remove damaged leaves, Remove dead branches and Remove dead leaves. In summer Black Locust needs Lots of watering and in winter, it needs Average Water. Whereas, in summer Ajwain plant needs Ample Water and in winter, it needs Average Water.