Life Span
Perennial
  
Perennial
  
Type
Tree
  
Tree
  
Origin
Hybrid origin
  
Central Asia, India, Nepal
  
Types
Honey Locust
  
White oak, Bluff oak, Muller oak
  
Number of Varieties
Not Available
  
Habitat
Woodland Garden Canopy
  
Clay soil areas, Dry areas, Sandy areas
  
USDA Hardiness Zone
5-8
  
6-9
  
AHS Heat Zone
9-3
  
7-5
  
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
  
H1, 7, 8, 9, 14, 15, 16, 17, 20, 21, 22, 23, 24
  
Habit
Upright/Erect
  
Oval or Rounded
  
Plant Size
  
  
Minimum Height
1,524.00 cm
  
27
2,286.00 cm
  
18
Minimum Width
1,066.80 cm
  
20
1,219.20 cm
  
15
Plant Color
  
  
Flower Color
Rose, Violet
  
Red, Yellow green
  
Flower Color Modifier
Bicolor
  
Bicolor
  
Fruit Color
Purple, Brown
  
Sandy Brown, Sienna
  
Leaf Color in Spring
Red, Crimson, Bronze
  
Green, Light Green, Gray
  
Leaf Color in Summer
Green, Blue Green
  
Green, Gray
  
Leaf Color in Fall
Yellow green
  
Green, Dark Green, Gray
  
Leaf Color in Winter
Not Available
  
Dark Green, Gray
  
Shape
  
  
Leaf Shape
Pinnate
  
broad, flat
  
Thorns
Yes
  
No
  
Plant Season
Spring, Summer, Fall, Winter
  
Spring, Summer, Fall, Winter
  
Growing Conditions
  
  
Sunlight
Full Sun
  
Full Sun, Partial Sun
  
Growth Rate
Fast
  
Medium
  
Type of Soil
Clay, Loam, Sand
  
Loam
  
The pH of Soil
Acidic, Neutral, Alkaline
  
Acidic
  
Soil Drainage
Average
  
Average
  
Bloom Time
Spring, Late Spring
  
Spring
  
Repeat Bloomer
No
  
No
  
Tolerances
Pollution, Drought, Salt, Soil Compaction
  
Drought
  
Where to Plant?
Ground
  
Ground
  
How to Plant?
Seedlings
  
Seedlings, Transplanting
  
Plant Maintenance
Medium
  
Medium
  
Watering Plants
  
  
Watering Requirements
Average Water Needs, Needs a lot of water initially, occasional watering once established
  
Average Water Needs
  
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
  
Soil Type
Clay, Loam, Sand
  
Loam
  
Soil Drainage Capacity
Average
  
Average
  
Sun Exposure
Full Sun
  
Full Sun, Partial Sun
  
Pruning
Cut limbs, Prune in winter, Prune up lowest branches, Remove branches, Remove damaged leaves, Remove dead branches, Remove dead leaves
  
Remove damaged leaves, Remove dead branches, Remove dead leaves
  
Fertilizers
All-Purpose Liquid Fertilizer, Nitrogen
  
All-Purpose Liquid Fertilizer
  
Pests and Diseases
Red blotch
  
Red blotch
  
Plant Tolerance
Drought, Pollution, Salt, Soil Compaction
  
Drought
  
Flowers
Yes
  
No
  
Flower Petal Number
Single
  
Not Available
  
Fruits
  
  
Showy Fruit
No
  
Yes
  
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
  
Yes
  
Showy Bark
Yes
  
Yes
  
Foliage Texture
Medium
  
Medium
  
Foliage Sheen
Matte
  
Glossy
  
Evergreen
No
  
No
  
Invasive
Sometimes
  
No
  
Self-Sowing
Yes
  
Yes
  
Attracts
Birds, Butterflies
  
Birds
  
Allergy
Abdominal pain, Depression, Diarrhea, Digestive Problems, gastro-intestinal problems, Kidney Disease, Liver disease, Nausea, Vomiting, weakness
  
Pollen
  
Uses
  
  
Aesthetic Uses
Showy Purposes
  
Showy Purposes
  
Beauty Benefits
Good for skin
  
Not Available
  
Edible Uses
Yes
  
Yes
  
Environmental Uses
Air purification, Shadow Tree, soil stabilisation
  
Air purification, Nesting sites for birds, Shadow Tree, Shelter for wildlife, Wildlife
  
Plant Benefits
  
  
Medicinal Uses
Antispasmodic, Antivinous, Cancer, Cholagogue, Diuretic, Emetic, Emmoiliant, Eye Problems, Febrifuge, Laxative, Purgative, Tonic
  
Chronic fatigue, Cramps, Diarrhea, Dysentry, gallstones, Haemorrhages, Menstrual Cramps
  
Part of Plant Used
Flowers, Seeds, Wood
  
Leaves, Seeds, Wood
  
Other Uses
Fibre, For making oil, Used as a dye, Used as essential oil, Used as fuel, Used for woodware
  
Used as firewood, used for making charcoal
  
Used As Indoor Plant
No
  
No
  
Used As Outdoor Plant
Yes
  
Yes
  
Garden Design
Feature Plant, Shade Trees, Street Trees
  
Feature Plant, Shade Trees
  
Botanical Name
ROBINIA 'Purple Robe'
  
QUERCUS leucotrichophora
  
Common Name
Hybrid Black Locust, Purple Robe Locust
  
Banj Oak, Blackjack Oak, Himalayan Oak
  
In Hindi
Black Locust Tree
  
Blackjack Oak Tree
  
In German
Schwarz Locust Tree
  
Blackjack Oak Tree
  
In French
Noir Arbre Locust
  
Blackjack Oak Tree
  
In Spanish
Negro del árbol de la langosta
  
Blackjack Oak Tree
  
In Greek
Μαύρο Locust Tree
  
Blackjack Oak Tree
  
In Portuguese
Árvore Locust Preto
  
Blackjack Carvalho
  
In Polish
Robinii akacjowej Drzewo
  
Blackjack Oak Tree
  
In Latin
Locusta arbor Niger
  
Blackjack quercum ligno
  
Kingdom
Plantae
  
Plantae
  
Phylum
Magnoliophyta
  
Magnoliophyta
  
Class
Magnoliopsida
  
Magnoliopsida
  
Order
Fabales
  
Fagales
  
Family
Fabaceae
  
Fagaceae
  
Genus
Robinia
  
Quercus
  
Clade
Angiosperms, Eudicots, Rosids
  
Angiosperms, Eudicots, Rosids
  
Tribe
Robinieae
  
Not Available
  
Subfamily
Faboideae
  
Not Available
  
Number of Species
Not Available
  
Not Available
  
Season and Care of Black Locust and Blackjack Oak
Season and care of Black Locust and Blackjack Oak is important to know. While considering everything about Black Locust and Blackjack Oak Care, growing season is an essential factor. Black Locust season is Spring, Summer, Fall and Winter and Blackjack Oak season is Spring, Summer, Fall and Winter. The type of soil for Black Locust is Clay, Loam, Sand and for Blackjack Oak is Loam while the PH of soil for Black Locust is Acidic, Neutral, Alkaline and for Blackjack Oak is Acidic.
Black Locust and Blackjack Oak Physical Information
Black Locust and Blackjack Oak physical information is very important for comparison. Black Locust height is 1,524.00 cm and width 1,066.80 cm whereas Blackjack Oak height is 2,286.00 cm and width 1,219.20 cm. The color specification of Black Locust and Blackjack Oak are as follows:
Black Locust flower color: Rose and Violet
Black Locust leaf color: Red, Crimson and Bronze
Blackjack Oak flower color: Red and Yellow green
- Blackjack Oak leaf color: Green, Light Green and Gray
Care of Black Locust and Blackjack Oak
Care of Black Locust and Blackjack Oak 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 Blackjack Oak pruning is done 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 Blackjack Oak needs Lots of watering and in winter, it needs Average Water.