Life Span
Perennial
Perennial
Type
Tree
Grass
Origin
-
United States, Northeastern United States, Mid-Atlantic United States, Southeastern United States, North-Central United States, Central United States, South-Central United States, Texas
Types
Honey Locust
Virginia water horehound
Number of Varieties
10-
0
40000
👆🏻
Habitat
Woodland Garden Canopy
Along Railroads, Barren waste areas, Hill prairies, Mined land, Pastures, Roadsides, Rocky glades, Sandy areas, Upland, Upland clay prairies, Upland sand prairies, Upland sandy savannas, Upland savannas, Upland soils
USDA Hardiness Zone
5-85-8
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
-
Habit
Upright/Erect
Clump-Forming
Plant Size
Minimum Height
1,524.00 cm60.96 cm
0
3900
👆🏻
Minimum Width
1,066.80 cm30.48 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
Green
Leaf Color in Summer
Green, Blue Green
Light Green
Leaf Color in Fall
Yellow green
Orange, Tan, Brown
Leaf Color in Winter
-
Tan, Sandy Brown
Shape
Leaf Shape
Pinnate
Grass like
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun
Full Sun, Partial Sun, Partial shade
Growth Rate
Fast
Fast
Type of Soil
Clay, Loam, Sand
Loam, Sand
The pH of Soil
Acidic, Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Drainage
Average
Well drained
Bloom Time
Spring, Late Spring
Early Fall, Fall
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Pollution, Drought, Salt, Soil Compaction
Pollution, Drought
Where to Plant?
Ground
Ground
How to Plant?
Seedlings
Divison, Root Division, 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, Medium
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
Loam, Sand
Soil Drainage Capacity
Average
Well drained
Sun Exposure
Full Sun
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
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
Fine
Foliage Sheen
Matte
Matte
Evergreen
✔
✘
✔
✘
Invasive
Sometimes
Sometimes
Self-Sowing
✔
✘
✔
✘
Attracts
Birds, Butterflies
Birds, Butterflies
Allergy
Abdominal pain, Depression, Diarrhea, Digestive Problems, gastro-intestinal problems, Kidney Disease, Liver disease, Nausea, Vomiting, weakness
Pollen
Uses
Aesthetic Uses
Showy Purposes
-
Beauty Benefits
Good for skin
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Shadow Tree, soil stabilisation
Air purification, Food for birds, Wildlife
Plant Benefits
Medicinal Uses
Antispasmodic, Antivinous, Cancer, Cholagogue, Diuretic, Emetic, Emmoiliant, Eye Problems, Febrifuge, Laxative, Purgative, Tonic
Back pain, Diarrhea, Frostbite, Itching, Piles, Sore Eyes, Sore throat
Part of Plant Used
Flowers, Seeds, Wood
Root, Seeds, Stem
Other Uses
Fibre, For making oil, Used as a dye, Used as essential oil, Used as fuel, Used for woodware
Cattle Fodder, Used As Food, Used as Ornamental plant
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Shade Trees, Street Trees
Dried Flower/Everlasting, Wildflower
Botanical Name
ROBINIA 'Purple Robe'
ANDROPOGON virginicus
Common Name
Hybrid Black Locust, Purple Robe Locust
Broomsedge, Broomsedge Bluestem
In Hindi
Black Locust Tree
Broomsedge grass
In German
Schwarz Locust Tree
broomsedge Gras
In French
Noir Arbre Locust
broomsedge herbe
In Spanish
Negro del árbol de la langosta
hierba Broomsedge
In Greek
Μαύρο Locust Tree
Broomsedge γρασίδι
In Portuguese
Árvore Locust Preto
Broomsedge grama
In Polish
Robinii akacjowej Drzewo
Broomsedge trawy
In Latin
Locusta arbor Niger
Broomsedge herba
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Liliopsida
Order
Fabales
Cyperales
Family
Fabaceae
Poaceae
Genus
Robinia
Andropogon
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Commelinids, Monocots
Tribe
Robinieae
Andropogoneae
Subfamily
Faboideae
Panicoideae
Number of Species
251
1
27800
👆🏻