Life Span
Perennial
Perennial
Origin
Hybrid origin
Europe, Asia
Types
Honey Locust
Blue Oat grass
Habitat
Woodland Garden Canopy
Cropland, gardens, Grassland, Roadsides
USDA Hardiness Zone
5-8
4-9
AHS Heat Zone
9-3
Not Available
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, 15, 16, 17, 23, 24
Habit
Upright/Erect
Clump-Forming
Flower Color
Rose, Violet
Brown
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Purple, Brown
Brown
Leaf Color in Spring
Red, Crimson, Bronze
Gray Green
Leaf Color in Summer
Green, Blue Green
Light Green
Leaf Color in Fall
Yellow green
Dark Green
Leaf Color in Winter
Not Available
Tan, Brown
Leaf Shape
Pinnate
Grass like
Plant Season
Spring, Summer, Fall, Winter
Not Available
Sunlight
Full Sun
Full Sun, Partial Sun
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 Summer
Tolerances
Pollution, Drought, Salt, Soil Compaction
Drought
Where to Plant?
Ground
Ground
How to Plant?
Seedlings
Seedlings
Plant Maintenance
Medium
Medium
Watering Requirements
Average Water Needs, Needs a lot of water initially, occasional watering once established
Does not require lot of watering, Water occasionally
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil pH
Acidic, Neutral, Alkaline
Acidic, Neutral
Soil Type
Clay, Loam, Sand
Loam
Soil Drainage Capacity
Average
Average
Sun Exposure
Full Sun
Full Sun, Partial 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
Fertilizers
All-Purpose Liquid Fertilizer, Nitrogen
All-Purpose Liquid Fertilizer
Pests and Diseases
Red blotch
Red blotch
Plant Tolerance
Drought, Pollution, Salt, Soil Compaction
Drought
Flowers
Yes
Not Available
Flower Petal Number
Single
Single
Foliage Texture
Medium
Not Available
Foliage Sheen
Matte
Matte
Attracts
Birds, Butterflies
Not Available
Allergy
Abdominal pain, Depression, Diarrhea, Digestive Problems, gastro-intestinal problems, Kidney Disease, Liver disease, Nausea, Vomiting, weakness
Asthma, Itchy eyes
Aesthetic Uses
Showy Purposes
Not Used For Aesthetic Purpose
Beauty Benefits
Good for skin
Not Available
Environmental Uses
Air purification, Shadow Tree, soil stabilisation
Air purification
Medicinal Uses
Antispasmodic, Antivinous, Cancer, Cholagogue, Diuretic, Emetic, Emmoiliant, Eye Problems, Febrifuge, Laxative, Purgative, Tonic
Arthritis, Headache, Stomach pain
Part of Plant Used
Flowers, Seeds, Wood
Whole plant
Other Uses
Fibre, For making oil, Used as a dye, Used as essential oil, Used as fuel, Used for woodware
Used as a nutritious food item
Used As Indoor Plant
No
No
Used As Outdoor Plant
Yes
Yes
Garden Design
Feature Plant, Shade Trees, Street Trees
Bedding Plant, Feature Plant, Groundcover
Botanical Name
ROBINIA 'Purple Robe'
ARRHENATHERUM
Common Name
Hybrid Black Locust, Purple Robe Locust
Oatgrass
In Hindi
Black Locust Tree
जई घास
In German
Schwarz Locust Tree
Ährengras
In French
Noir Arbre Locust
Folle avoine
In Spanish
Negro del árbol de la langosta
oat Grass
In Greek
Μαύρο Locust Tree
βρώμη Grass
In Portuguese
Árvore Locust Preto
aveia-
In Polish
Robinii akacjowej Drzewo
Owies trawa
In Latin
Locusta arbor Niger
oat Grass
Phylum
Magnoliophyta
Not Available
Class
Magnoliopsida
Liliopsida
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Commelinids, Monocots
Subfamily
Faboideae
Danthonioideae
Number of Species
Not Available
Not Available
Importance of Black Locust and Oatgrass
Want to have the most appropriate plant for your garden? You might want to know the importance of Black Locust and Oatgrass. Basically, these two plants vary in many aspects. Compare Black Locust and Oatgrass 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 Oatgrass is Arthritis, Headache and Stomach pain. Black Locust has beauty benefits as follows: Good for skin while Oatgrass has beauty benefits as follows: Good for skin.
Compare Facts of Black Locust vs Oatgrass
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 Oatgrass 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 Oatgrass have Asthma and Itchy eyes respectively. Having a fruit bearing plant in your garden can be a plus point of your garden. Black Locust has no showy fruits and Oatgrass has showy fruits. Also Black Locust is flowering and Oatgrass is not flowering . You can compare Black Locust and Oatgrass facts and facts of other plants too.