Life Span
Perennial
Perennial
Type
Tree
Tree
Origin
North America
-
Types
Bergmann's Elm, Chestnut-leafed Elm, Hangzhou Elm
Honey Locust
Number of Varieties
17510
0
40000
👆🏻
Habitat
Woodland Garden Canopy
Woodland Garden Canopy
USDA Hardiness Zone
3-95-8
0
99
👆🏻
AHS Heat Zone
9-1
9-3
Sunset Zone
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 14, 15, 16, 17, 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
Upright/Erect
Upright/Erect
Plant Size
Minimum Height
3,900.00 cm1,524.00 cm
0
3900
👆🏻
Minimum Width
3,700.00 cm1,066.80 cm
0
6350
👆🏻
Plant Color
Flower Color
Green
Rose, Violet
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Tan
Purple, Brown
Leaf Color in Spring
Light Green
Red, Crimson, Bronze
Leaf Color in Summer
Dark Green
Green, Blue Green
Leaf Color in Fall
Light Yellow
Yellow green
Leaf Color in Winter
-
-
Shape
Leaf Shape
Ovate
Pinnate
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
Loam
Clay, Loam, Sand
The pH of Soil
Acidic, Neutral
Acidic, Neutral, Alkaline
Soil Drainage
Average
Average
Bloom Time
Early Spring
Spring, Late Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Pollution
Pollution, Drought, Salt, Soil Compaction
Where to Plant?
Ground
Ground
How to Plant?
Budding, Grafting, Seedlings, Semi-hardwood cuttings, Softwood cuttings
Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs, Do Not over Water, Requires regular watering
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
Acidic, Neutral
Acidic, Neutral, Alkaline
Soil Type
Loam
Clay, Loam, Sand
Soil Drainage Capacity
Average
Average
Sun Exposure
Full Sun
Full Sun
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves, Remove dead or diseased plant parts, Remove deadheads
Cut limbs, Prune in winter, Prune up lowest branches, Remove branches, Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
Complete balanced fertilizer, fertilize in spring
All-Purpose Liquid Fertilizer, Nitrogen
Pests and Diseases
Red blotch
Red blotch
Plant Tolerance
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
Medium
Medium
Foliage Sheen
Matte
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Birds, Butterflies
Birds, Butterflies
Allergy
Pollen
Abdominal pain, Depression, Diarrhea, Digestive Problems, gastro-intestinal problems, Kidney Disease, Liver disease, Nausea, Vomiting, weakness
Uses
Aesthetic Uses
-
Showy Purposes
Beauty Benefits
Good for skin and hair
Good for skin
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Nesting sites for birds, Shadow Tree
Air purification, Shadow Tree, soil stabilisation
Plant Benefits
Medicinal Uses
Antispasmodic, Astringent, Birthing aid, Haemostatic, Salve
Antispasmodic, Antivinous, Cancer, Cholagogue, Diuretic, Emetic, Emmoiliant, Eye Problems, Febrifuge, Laxative, Purgative, Tonic
Part of Plant Used
Bark, Fibre, Leaves
Flowers, Seeds, Wood
Other Uses
Container, String, Used for woodware, Used in paper industry
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
Feature Plant, Shade Trees, Street Trees
Feature Plant, Shade Trees, Street Trees
Botanical Name
ULMUS americana 'Augustine'
ROBINIA 'Purple Robe'
Common Name
American Elm, Augustine Elm
Hybrid Black Locust, Purple Robe Locust
In Hindi
American Elm Tree
Black Locust Tree
In German
Amerikanische Ulme
Schwarz Locust Tree
In French
Américaine Elm Tree
Noir Arbre Locust
In Spanish
Olmo Americano Árbol
Negro del árbol de la langosta
In Greek
American Elm Tree
Μαύρο Locust Tree
In Portuguese
Árvore de olmo americano
Árvore Locust Preto
In Polish
Amerykańska Elm Tree
Robinii akacjowej Drzewo
In Latin
Latin ulmo
Locusta arbor Niger
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Urticales
Fabales
Family
Ulmaceae
Fabaceae
Genus
Ulmus
Robinia
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Eudicots, Rosids
Tribe
-
Robinieae
Subfamily
-
Faboideae
Number of Species
625
1
27800
👆🏻