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Black Locust
Black Locust

American Elm
American Elm



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Black Locust
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American Elm

Compare Black Locust and American Elm

What is

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

Information

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

Season

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

Care

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

Facts

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

Benefits

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

Scientific Name

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

Classification

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
👆🏻

Difference Between Black Locust and American Elm

If you are confused whether Black Locust or American Elm are same, here are some features about those plants to help you choose better. Many people think that these two plants have the same characteristics, but one can see Black Locust and American Elm Information and learn more about it. Fertilizers required for proper growth of Black Locust are All-Purpose Liquid Fertilizer and Nitrogen, whereas for American Elm fertilizers required are Complete balanced fertilizer and fertilize in spring. Hence, one should know the basic difference between Black Locust and American Elm if you are planning to have them in your garden to enhance its beauty.

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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.