Life Span
Perennial
Perennial
Type
Tree
Tree
Origin
-
North America
Types
Honey Locust
Bergmann's Elm, Chestnut-leafed Elm, Hangzhou Elm
Number of Varieties
10175
0
40000
👆🏻
Habitat
Woodland Garden Canopy
Woodland Garden Canopy
USDA Hardiness Zone
5-83-9
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
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 14, 15, 16, 17, 18, 19, 20, 21
Habit
Upright/Erect
Upright/Erect
Plant Size
Minimum Height
1,524.00 cm3,900.00 cm
0
3900
👆🏻
Minimum Width
1,066.80 cm3,700.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Rose, Violet
Green
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Purple, Brown
Tan
Leaf Color in Spring
Red, Crimson, Bronze
Light Green
Leaf Color in Summer
Green, Blue Green
Dark Green
Leaf Color in Fall
Yellow green
Light Yellow
Leaf Color in Winter
-
-
Shape
Leaf Shape
Pinnate
Ovate
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun
Full Sun
Growth Rate
Fast
Fast
Type of Soil
Clay, Loam, Sand
Loam
The pH of Soil
Acidic, Neutral, Alkaline
Acidic, Neutral
Soil Drainage
Average
Average
Bloom Time
Spring, Late Spring
Early Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Pollution, Drought, Salt, Soil Compaction
Pollution
Where to Plant?
Ground
Ground
How to Plant?
Seedlings
Budding, Grafting, Seedlings, Semi-hardwood cuttings, Softwood cuttings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs, Needs a lot of water initially, occasional watering once established
Average Water Needs, Do Not over Water, Requires regular 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
Soil Type
Clay, Loam, Sand
Loam
Soil Drainage Capacity
Average
Average
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, Remove dead branches, Remove dead leaves, Remove dead or diseased plant parts, Remove deadheads
Fertilizers
All-Purpose Liquid Fertilizer, Nitrogen
Complete balanced fertilizer, fertilize in spring
Pests and Diseases
Red blotch
Red blotch
Plant Tolerance
Drought, Pollution, Salt, Soil Compaction
Pollution
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, 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
Good for skin and hair
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Shadow Tree, soil stabilisation
Air purification, Nesting sites for birds, Shadow Tree
Plant Benefits
Medicinal Uses
Antispasmodic, Antivinous, Cancer, Cholagogue, Diuretic, Emetic, Emmoiliant, Eye Problems, Febrifuge, Laxative, Purgative, Tonic
Antispasmodic, Astringent, Birthing aid, Haemostatic, Salve
Part of Plant Used
Flowers, Seeds, Wood
Bark, Fibre, Leaves
Other Uses
Fibre, For making oil, Used as a dye, Used as essential oil, Used as fuel, Used for woodware
Container, String, Used for woodware, Used in paper industry
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Shade Trees, Street Trees
Feature Plant, Shade Trees, Street Trees
Botanical Name
ROBINIA 'Purple Robe'
ULMUS americana 'Augustine'
Common Name
Hybrid Black Locust, Purple Robe Locust
American Elm, Augustine Elm
In Hindi
Black Locust Tree
American Elm Tree
In German
Schwarz Locust Tree
Amerikanische Ulme
In French
Noir Arbre Locust
Américaine Elm Tree
In Spanish
Negro del árbol de la langosta
Olmo Americano Árbol
In Greek
Μαύρο Locust Tree
American Elm Tree
In Portuguese
Árvore Locust Preto
Árvore de olmo americano
In Polish
Robinii akacjowej Drzewo
Amerykańska Elm Tree
In Latin
Locusta arbor Niger
Latin ulmo
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Fabales
Urticales
Family
Fabaceae
Ulmaceae
Genus
Robinia
Ulmus
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Eudicots, Rosids
Tribe
Robinieae
-
Subfamily
Faboideae
-
Number of Species
256
1
27800
👆🏻