Life Span
Perennial
Perennial
Type
Tree
Flowering Plants, Herbs
Origin
-
Southwestern United States, Mexico
Types
Honey Locust
-
Number of Varieties
1056
0
40000
👆🏻
Habitat
Woodland Garden Canopy
Mountains, Upland
USDA Hardiness Zone
5-84-9
0
99
👆🏻
AHS Heat Zone
9-3
9-2
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, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20
Habit
Upright/Erect
Clump-Forming
Plant Size
Minimum Height
1,524.00 cm60.00 cm
0
3900
👆🏻
Minimum Width
1,066.80 cm45.70 cm
0
6350
👆🏻
Plant Color
Flower Color
Rose, Violet
Red, Rose, Crimson
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Purple, Brown
Brown
Leaf Color in Spring
Red, Crimson, Bronze
Green
Leaf Color in Summer
Green, Blue Green
Green
Leaf Color in Fall
Yellow green
Green
Leaf Color in Winter
-
Green
Shape
Leaf Shape
Pinnate
Long Linear
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer
Growing Conditions
Sunlight
Full Sun
Full Sun
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
Late Spring, Early Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Pollution, Drought, Salt, Soil Compaction
Pollution, Salt
Where to Plant?
Ground
Container, Ground, Pot
How to Plant?
Seedlings
From bulbs
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs, Needs a lot of water initially, occasional watering once established
Do Not over Water, Requires a lot of watering
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
Pruning
Cut limbs, Prune in winter, Prune up lowest branches, Remove branches, Remove damaged leaves, Remove dead branches, Remove dead leaves
Remove damaged leaves
Fertilizers
All-Purpose Liquid Fertilizer, Nitrogen
All-Purpose Liquid Fertilizer
Pests and Diseases
Red blotch
Leaf spot, Root rot
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
Medium
Foliage Sheen
Matte
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Birds, Butterflies
Hummingbirds, Butterflies
Allergy
Abdominal pain, Depression, Diarrhea, Digestive Problems, gastro-intestinal problems, Kidney Disease, Liver disease, Nausea, Vomiting, weakness
-
Uses
Aesthetic Uses
Showy Purposes
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
Broken Bones, Burns, Sore throat, Stomach aliments, Urine infections
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
Cutflower, Mixed Border, Rock Garden / Wall, Wildflower
Botanical Name
ROBINIA 'Purple Robe'
PENSTEMON barbatus
Common Name
Hybrid Black Locust, Purple Robe Locust
Beardlip Penstemon, Scarlet Beardtongue
In Hindi
Black Locust Tree
Beardlip Penstemon
In German
Schwarz Locust Tree
Beardlip Penstemon
In French
Noir Arbre Locust
penstemon beardlip
In Spanish
Negro del árbol de la langosta
penstemon beardlip
In Greek
Μαύρο Locust Tree
beardlip penstemon
In Portuguese
Árvore Locust Preto
penstemon beardlip
In Polish
Robinii akacjowej Drzewo
beardlip penstemon
In Latin
Locusta arbor Niger
Birdlip penstemon
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Fabales
Lamiales
Family
Fabaceae
Scrophulariaceae
Genus
Robinia
Penstemon
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Asterids, Dicotyledonous, Eudicots
Tribe
Robinieae
-
Subfamily
Faboideae
-
Number of Species
2540
1
27800
👆🏻