Life Span
Perennial
Annual
Type
Tree
Flowering Plants, Shrubs
Origin
-
America
Types
Honey Locust
Lobelia aberdarica, Lobelia leschenaultiana, Lobelia canbyi
Number of Varieties
10415
0
40000
👆🏻
Habitat
Woodland Garden Canopy
Open areas, River side, Woods
USDA Hardiness Zone
5-84-9
0
99
👆🏻
AHS Heat Zone
9-3
8-1
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
A1, A2, A3, H1, H2, 1a, 1b, 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
Cushion/Mound-forming
Plant Size
Minimum Height
1,524.00 cm0.54 cm
0
3900
👆🏻
Minimum Width
1,066.80 cm0.38 cm
0
6350
👆🏻
Plant Color
Flower Color
Rose, Violet
Blue, Red, Violet, White
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Purple, Brown
-
Leaf Color in Spring
Red, Crimson, Bronze
Dark Green
Leaf Color in Summer
Green, Blue Green
Green
Leaf Color in Fall
Yellow green
Green
Leaf Color in Winter
-
-
Shape
Leaf Shape
Pinnate
Cushion
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Fall, Summer
Growing Conditions
Sunlight
Full Sun
Full Sun, Partial shade
Growth Rate
Fast
Fast
Type of Soil
Clay, Loam, Sand
Well drained
The pH of Soil
Acidic, Neutral, Alkaline
Acidic
Soil Drainage
Average
Well drained
Bloom Time
Spring, Late Spring
Early Fall, Early Summer, Late Summer, Mid fall, Mid Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Pollution, Drought, Salt, Soil Compaction
-
Where to Plant?
Ground
Container, Ground, Pot
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
Form a Soil ring to water efficiently, Prefer drip-irrigation instead of Over-head watering, Requires watering in the growing season, Use Mulches to help prevent water loss during hot and windy weather, Water twice a day in the initial period
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
Soil Type
Clay, Loam, Sand
Well drained
Soil Drainage Capacity
Average
Well drained
Sun Exposure
Full Sun
Full Sun, Partial shade
Pruning
Cut limbs, Prune in winter, Prune up lowest branches, Remove branches, Remove damaged leaves, Remove dead branches, Remove dead leaves
Cut or pinch the stems, Prune after flowering, Prune to control growth, Remove dead or diseased plant parts, Remove deadheads
Fertilizers
All-Purpose Liquid Fertilizer, Nitrogen
All-Purpose Liquid Fertilizer
Pests and Diseases
Red blotch
Botrytis Blight, Crown rot, Pythium rot, Stem spot
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
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Birds, Butterflies
Birds, Hummingbirds
Allergy
Abdominal pain, Depression, Diarrhea, Digestive Problems, gastro-intestinal problems, Kidney Disease, Liver disease, Nausea, Vomiting, weakness
coma, convulsions, Diarrhea, exhaustion, Nausea, salivation, Vomiting, weakness
Uses
Aesthetic Uses
Showy Purposes
Beautification, Bouquets, Showy Purposes, Used for decorating walls, fences, gates, hedges, etc.
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
Asthma, Bronchitis, Croup
Part of Plant Used
Flowers, Seeds, Wood
Leaves, Seeds
Other Uses
Fibre, For making oil, Used as a dye, Used as essential oil, Used as fuel, Used for woodware
Showy Purposes
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Shade Trees, Street Trees
Bedding Plant, Bog Garden, Edging, Foundation, Hanging Basket, Houseplant, Mixed Border, Rock Garden / Wall
Botanical Name
ROBINIA 'Purple Robe'
Lobelia laxiflora
Common Name
Hybrid Black Locust, Purple Robe Locust
Lobelia
In Hindi
Black Locust Tree
Lobelia
In German
Schwarz Locust Tree
Lobelie
In French
Noir Arbre Locust
Lobelia
In Spanish
Negro del árbol de la langosta
Lobelia
In Greek
Μαύρο Locust Tree
λοβηλία
In Portuguese
Árvore Locust Preto
Lobélia
In Polish
Robinii akacjowej Drzewo
Lobelia
In Latin
Locusta arbor Niger
Lobelia
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Anthophyta
Class
Magnoliopsida
Dicotyledonae
Order
Fabales
Asterales
Family
Fabaceae
Campanulaceae
Genus
Robinia
Lobelia
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Asterids, Eudicots
Tribe
Robinieae
-
Subfamily
Faboideae
Lobelioideae
Number of Species
25415
1
27800
👆🏻