Life Span
Annual and Perennial
Perennial
Type
Grass
Tree
Origin
North America, United States, Western United States, Southwestern United States, Mexico
-
Types
Bouteloua gracilis
Honey Locust
Number of Varieties
1410
0
40000
👆🏻
Habitat
Open Plains, Prairies
Woodland Garden Canopy
USDA Hardiness Zone
3-95-8
0
99
👆🏻
AHS Heat Zone
9 - 5
9-3
Sunset Zone
1a, 1b, 2a, 2b, 3a, 3b, 7, 8, 9, 10, 11, 14, 18, 19, 20, 21
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
Clump-Forming
Upright/Erect
Plant Size
Minimum Height
91.44 cm1,524.00 cm
0
3900
👆🏻
Minimum Width
91.44 cm1,066.80 cm
0
6350
👆🏻
Plant Color
Flower Color
Blue Violet
Rose, Violet
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
Purple, Brown
Leaf Color in Spring
Green, Blue Green
Red, Crimson, Bronze
Leaf Color in Summer
Light Green
Green, Blue Green
Leaf Color in Fall
Purple, Blue Green, Tan
Yellow green
Leaf Color in Winter
-
-
Shape
Leaf Shape
Grass like
Pinnate
Thorns
✔
✘
✔
✘
Plant Season
Summer, Fall, Winter
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun
Growth Rate
Fast
Fast
Type of Soil
Clay, Loam, Sand
Clay, Loam, Sand
The pH of Soil
Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Drainage
Well drained
Average
Bloom Time
Summer, Late Summer
Spring, Late Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Pollution, Drought
Pollution, Drought, Salt, Soil Compaction
Where to Plant?
Ground
Ground
How to Plant?
Seedlings
Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs, Medium
Average Water Needs, Needs a lot of water initially, occasional watering once established
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Type
Clay, Loam, Sand
Clay, Loam, Sand
Soil Drainage Capacity
Well drained
Average
Sun Exposure
Full Sun, Partial Sun
Full Sun
Pruning
-
Cut limbs, Prune in winter, Prune up lowest branches, Remove branches, Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer
All-Purpose Liquid Fertilizer, Nitrogen
Pests and Diseases
Red blotch
Red blotch
Plant Tolerance
Drought, Pollution
Drought, Pollution, Salt, Soil Compaction
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
Fine
Medium
Foliage Sheen
Matte
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Butterflies, Flying insects
Birds, Butterflies
Allergy
Anaphylaxis, Asthma, Hay fever, Pollen, Respiratory problems, Runny nose, Watery eyes
Abdominal pain, Depression, Diarrhea, Digestive Problems, gastro-intestinal problems, Kidney Disease, Liver disease, Nausea, Vomiting, weakness
Uses
Aesthetic Uses
Ground Cover
Showy Purposes
Beauty Benefits
-
Good for skin
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, soil erosion prevension on hill slopes, Wildlife
Air purification, Shadow Tree, soil stabilisation
Plant Benefits
Medicinal Uses
Cuts
Antispasmodic, Antivinous, Cancer, Cholagogue, Diuretic, Emetic, Emmoiliant, Eye Problems, Febrifuge, Laxative, Purgative, Tonic
Part of Plant Used
Seeds, Whole plant
Flowers, Seeds, Wood
Other Uses
Used As Food
Fibre, For making oil, Used as a dye, Used as essential oil, Used as fuel, Used for woodware
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Dried Flower/Everlasting, Feature Plant, Mixed Border, Rock Garden / Wall, Wildflower
Feature Plant, Shade Trees, Street Trees
Botanical Name
BOUTELOUA gracilis 'Blonde Ambition'
ROBINIA 'Purple Robe'
Common Name
Blonde Ambition Blue Grama Grass, Blue Grama Grass
Hybrid Black Locust, Purple Robe Locust
In Hindi
Blue Grama Grass
Black Locust Tree
In German
Blau Grama Grass
Schwarz Locust Tree
In French
Boutelou gracieux
Noir Arbre Locust
In Spanish
Azul Grama Grass
Negro del árbol de la langosta
In Greek
Μπλε Grama Grass
Μαύρο Locust Tree
In Portuguese
Azul Grama Grama
Árvore Locust Preto
In Polish
Niebieski Grama Trawa
Robinii akacjowej Drzewo
In Latin
Blue Grama Grass
Locusta arbor Niger
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Lilopsida
Magnoliopsida
Order
Cyperales
Fabales
Family
Poaceae
Fabaceae
Genus
Bouteloua
Robinia
Clade
Angiosperms, Commelinids, Monocots
Angiosperms, Eudicots, Rosids
Tribe
-
Robinieae
Subfamily
-
Faboideae
Number of Species
5025
1
27800
👆🏻