Life Span
Perennial
Perennial
Type
Tree
Grass
Origin
-
North America, United States, Northeastern United States, Mid-Atlantic United States, Southeastern United States, North-Central United States, Central United States, South-Central United States, Texas, Canada, Mexico
Types
Honey Locust
Sorghastrum nutans
Number of Varieties
103
0
40000
👆🏻
Habitat
Woodland Garden Canopy
Grassland, low mountains, Semi desert, Woodlands
USDA Hardiness Zone
5-84-9
0
99
👆🏻
AHS Heat Zone
9-3
9 - 1
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
7, 8, 9, 12, 13, 14, 15, 16, 18, 19, 20, 21, 22, 23, 24
Habit
Upright/Erect
Clump-Forming
Plant Size
Minimum Height
1,524.00 cm90.00 cm
0
3900
👆🏻
Minimum Width
1,066.80 cm45.70 cm
0
6350
👆🏻
Plant Color
Flower Color
Rose, Violet
-
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Purple, Brown
-
Leaf Color in Spring
Red, Crimson, Bronze
Light Green, Blue Green
Leaf Color in Summer
Green, Blue Green
Light Green
Leaf Color in Fall
Yellow green
Blue Green, Burgundy, Copper
Leaf Color in Winter
-
Tan
Shape
Leaf Shape
Pinnate
Linear
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun
Full Sun, Partial Sun
Growth Rate
Fast
Fast
Type of Soil
Clay, Loam, Sand
Clay, Loam, Sand
The pH of Soil
Acidic, Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Drainage
Average
Average
Bloom Time
Spring, Late Spring
Late Summer, Early Fall, Fall
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Pollution, Drought, Salt, Soil Compaction
Drought, Salt
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
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, Neutral, Alkaline
Soil Type
Clay, Loam, Sand
Clay, Loam, Sand
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 leaves, Requires very little pruning
Fertilizers
All-Purpose Liquid Fertilizer, Nitrogen
No fertilizers needed
Pests and Diseases
Red blotch
Insects
Plant Tolerance
Drought, Pollution, Salt, Soil Compaction
Drought and Salt
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
Medium
Foliage Sheen
Matte
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Birds, Butterflies
Birds
Allergy
Abdominal pain, Depression, Diarrhea, Digestive Problems, gastro-intestinal problems, Kidney Disease, Liver disease, Nausea, Vomiting, weakness
Skin irritation
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
-
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 Ornamental plant
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Shade Trees, Street Trees
Dried Flower/Everlasting, Feature Plant, Foundation, Mixed Border, Wildflower
Botanical Name
ROBINIA 'Purple Robe'
SORGHASTRUM nutans
Common Name
Hybrid Black Locust, Purple Robe Locust
Indian Grass
In Hindi
Black Locust Tree
भारतीय घास
In German
Schwarz Locust Tree
Indian Grass
In French
Noir Arbre Locust
Herbe indienne
In Spanish
Negro del árbol de la langosta
Hierba india
In Greek
Μαύρο Locust Tree
Ινδικό Grass
In Portuguese
Árvore Locust Preto
grama indianas
In Polish
Robinii akacjowej Drzewo
Indyjski Trawa
In Latin
Locusta arbor Niger
Indian Grass
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Tracheophyta
Class
Magnoliopsida
Liliopsida
Order
Fabales
Poales
Family
Fabaceae
Poaceae
Genus
Robinia
Sorghastrum
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Commelinids, Monocots
Tribe
Robinieae
-
Subfamily
Faboideae
-
Number of Species
259
1
27800
👆🏻