Life Span
Perennial
Perennial
Type
Tree
Grass
Origin
-
Europe, Asia
Types
Honey Locust
Blue Oat grass
Number of Varieties
10-
0
40000
👆🏻
Habitat
Woodland Garden Canopy
Cropland, gardens, Grassland, Roadsides
USDA Hardiness Zone
5-84-9
0
99
👆🏻
AHS Heat Zone
9-3
-
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, 15, 16, 17, 23, 24
Habit
Upright/Erect
Clump-Forming
Plant Size
Minimum Height
1,524.00 cm20.50 cm
0
3900
👆🏻
Minimum Width
1,066.80 cm30.50 cm
0
6350
👆🏻
Plant Color
Flower Color
Rose, Violet
Brown
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Purple, Brown
Brown
Leaf Color in Spring
Red, Crimson, Bronze
Gray Green
Leaf Color in Summer
Green, Blue Green
Light Green
Leaf Color in Fall
Yellow green
Dark Green
Leaf Color in Winter
-
Tan, Brown
Shape
Leaf Shape
Pinnate
Grass like
Thorns
✔
✘
✔
✘
Plant Season
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, Neutral
Soil Drainage
Average
Average
Bloom Time
Spring, Late Spring
Early Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Pollution, Drought, Salt, Soil Compaction
Drought
Where to Plant?
Ground
Ground
How to Plant?
Seedlings
Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs, Needs a lot of water initially, occasional watering once established
Does not require lot of watering, Water occasionally
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, Neutral
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
✔
✘
✔
✘
Flower Petal Number
Single
Single
Fruits
Showy Fruit
✔
✘
✔
✘
Edible Fruit
✔
✘
✔
✘
Fragrance
Fragrant Flower
✔
✘
✔
✘
Fragrant Fruit
✔
✘
✔
✘
Fragrant Leaf
✔
✘
✔
✘
Fragrant Bark/Stem
✔
✘
✔
✘
Showy Foliage
✔
✘
✔
✘
Showy Bark
✔
✘
✔
✘
Foliage Texture
Medium
-
Foliage Sheen
Matte
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Birds, Butterflies
-
Allergy
Abdominal pain, Depression, Diarrhea, Digestive Problems, gastro-intestinal problems, Kidney Disease, Liver disease, Nausea, Vomiting, weakness
Asthma, Itchy eyes
Uses
Aesthetic Uses
Showy Purposes
-
Beauty Benefits
Good for skin
-
Edible Uses
✔
✘
✔
✘
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
Arthritis, Headache, Stomach pain
Part of Plant Used
Flowers, Seeds, Wood
Whole plant
Other Uses
Fibre, For making oil, Used as a dye, Used as essential oil, Used as fuel, Used for woodware
Used as a nutritious food item
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Shade Trees, Street Trees
Bedding Plant, Feature Plant, Groundcover
Botanical Name
ROBINIA 'Purple Robe'
ARRHENATHERUM
Common Name
Hybrid Black Locust, Purple Robe Locust
Oatgrass
In Hindi
Black Locust Tree
जई घास
In German
Schwarz Locust Tree
Ährengras
In French
Noir Arbre Locust
Folle avoine
In Spanish
Negro del árbol de la langosta
oat Grass
In Greek
Μαύρο Locust Tree
βρώμη Grass
In Portuguese
Árvore Locust Preto
aveia-
In Polish
Robinii akacjowej Drzewo
Owies trawa
In Latin
Locusta arbor Niger
oat Grass
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
-
Class
Magnoliopsida
Liliopsida
Order
Fabales
Poales
Family
Fabaceae
Poaceae
Genus
Robinia
Danthonia
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Commelinids, Monocots
Tribe
Robinieae
Aveneae
Subfamily
Faboideae
Danthonioideae
Number of Species
25450
1
27800
👆🏻