Life Span
Perennial
  
Perennial
  
Type
Tree
  
Tree
  
Origin
Hybrid origin
  
North America
  
Types
Honey Locust
  
Bergmann's Elm, Chestnut-leafed Elm, Hangzhou Elm
  
Habitat
Woodland Garden Canopy
  
Woodland Garden Canopy
  
USDA Hardiness Zone
5-8
  
3-9
  
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 cm
  
27
Minimum Width
1,066.80 cm
  
20
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
Not Available
  
Not Available
  
Shape
  
  
Leaf Shape
Pinnate
  
Ovate
  
Thorns
Yes
  
No
  
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
No
  
No
  
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
Yes
  
Yes
  
Flower Petal Number
Single
  
Single
  
Fruits
  
  
Showy Fruit
No
  
No
  
Edible Fruit
No
  
No
  
Fragrance
  
  
Fragrant Flower
Yes
  
No
  
Fragrant Fruit
No
  
No
  
Fragrant Leaf
No
  
No
  
Fragrant Bark/Stem
No
  
No
  
Showy Foliage
Yes
  
No
  
Showy Bark
Yes
  
No
  
Foliage Texture
Medium
  
Medium
  
Foliage Sheen
Matte
  
Matte
  
Evergreen
No
  
No
  
Invasive
Sometimes
  
No
  
Self-Sowing
Yes
  
Yes
  
Attracts
Birds, Butterflies
  
Birds, Butterflies, Not Available
  
Allergy
Abdominal pain, Depression, Diarrhea, Digestive Problems, gastro-intestinal problems, Kidney Disease, Liver disease, Nausea, Vomiting, weakness
  
Pollen
  
Uses
  
  
Aesthetic Uses
Showy Purposes
  
Not Used For Aesthetic Purpose
  
Beauty Benefits
Good for skin
  
Good for skin and hair
  
Edible Uses
Yes
  
Yes
  
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
No
  
No
  
Used As Outdoor Plant
Yes
  
Yes
  
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
  
Not Available
  
Subfamily
Faboideae
  
Not Available
  
Number of Species
Not Available
  
Not Available
  
Importance of Black Locust and American Elm
Want to have the most appropriate plant for your garden? You might want to know the importance of Black Locust and American Elm. Basically, these two plants vary in many aspects. Compare Black Locust and American Elm as they differ in many characteristics such as their life, care, benefits, facts, etc. Every gardener must at least have the slightest clue about the plants he wants to plant in his garden. Compare their benefits, which differ in many ways like facts and uses. The medicinal use of Black Locust is Antispasmodic, Antivinous, Cancer, Cholagogue, Diuretic, Emetic, Emmoiliant, Eye Problems, Febrifuge, Laxative, Purgative and Tonic whereas of American Elm is Antispasmodic, Astringent, Birthing aid, Haemostatic and Salve. Black Locust has beauty benefits as follows: Good for skin while American Elm has beauty benefits as follows: Good for skin.
Compare Facts of Black Locust vs American Elm
How to choose the best garden plant for your garden depending upon its facts? Here garden plant comparison will help you to solve this query. Compare the facts of Black Locust vs American Elm and know which one to choose. As garden plants have benefits and other uses, allergy is also a major drawback of plants for some people. Allergic reactions of Black Locust are Abdominal pain, Depression, Diarrhea, Digestive Problems, gastro-intestinal problems, Kidney Disease, Liver disease, Nausea, Vomiting and weakness whereas of American Elm have Pollen respectively. Having a fruit bearing plant in your garden can be a plus point of your garden. Black Locust has no showy fruits and American Elm has no showy fruits. Also Black Locust is flowering and American Elm is flowering. You can compare Black Locust and American Elm facts and facts of other plants too.