Life Span
Perennial
Perennial
Origin
Europe, Asia
Russia, Siberia, China, Japan
Types
Blue Oat grass
Iris ensata, Iris japonica
Habitat
Cropland, gardens, Grassland, Roadsides
Boggy areas, gardens, meadows, Shores of rivers or lakes
USDA Hardiness Zone
4-9
3-9
Sunset Zone
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 15, 16, 17, 23, 24
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Clump-Forming
Clump-Forming
Flower Color
Brown
Lavender, Blue Violet
Flower Color Modifier
Bicolor
Bicolor
Leaf Color in Spring
Gray Green
Green, Light Green
Leaf Color in Summer
Light Green
Green
Leaf Color in Fall
Dark Green
Green, Brown
Leaf Color in Winter
Tan, Brown
Light Green
Leaf Shape
Grass like
Linear
Plant Season
-
Spring, Summer
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun, Partial shade
Growth Rate
Medium
Medium
Type of Soil
Loam
Clay, Loam, Sand
The pH of Soil
Acidic, Neutral
Acidic, Neutral
Soil Drainage
Average
Well drained
Bloom Time
Early Summer
Early Summer
Tolerances
Drought
Drought
Where to Plant?
Ground
Container, Ground, Pot
How to Plant?
Seedlings
Seedlings
Plant Maintenance
Medium
Medium
Watering Requirements
Does not require lot of watering, Water occasionally
Do Not over Water, Water Deeply, Water slowly, and allow to dry completely between soakings, Water twice a day in the initial period
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil pH
Acidic, Neutral
Acidic, Neutral
Soil Type
Loam
Clay, Loam, Sand
Soil Drainage Capacity
Average
Well drained
Sun Exposure
Full Sun, Partial Sun
Full Sun, Partial Sun, Partial shade
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
Cut or pinch the stems, Pinching, Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer
All-Purpose Liquid Fertilizer, Apply N-P-K, Nitrogen
Pests and Diseases
Red blotch
Aphids, Red blotch, Rhizome rot, Slugs, Snails, Viruses
Plant Tolerance
Drought
Drought, Full Sun, Variety of soil types
Flower Petal Number
Single
Single
Foliage Sheen
Matte
Matte
Attracts
-
Bees, Butterflies, Flies, Snails
Allergy
Asthma, Itchy eyes
Skin irritation
Aesthetic Uses
-
Beautification, Bog Garden, Bouquets, Cottage Garden, Showy Purposes
Environmental Uses
Air purification
Air purification
Medicinal Uses
Arthritis, Headache, Stomach pain
Alterative, Anthelmintic, Antidote, Appetizer, Depurative, Diuretic, Hepatitis
Part of Plant Used
Whole plant
Leaves, Root
Other Uses
Used as a nutritious food item
Basketary, Fibre
Used As Indoor Plant
No
Yes
Used As Outdoor Plant
Yes
Yes
Garden Design
Bedding Plant, Feature Plant, Groundcover
Bog Garden, Cutflower, Feature Plant, Mixed Border, Water Gardens
Botanical Name
ARRHENATHERUM
IRIS ensata
Common Name
Oatgrass
Iris
Japanese iris
In Hindi
जई घास
Japanese iris
In German
Ährengras
Japanese iris
In French
Folle avoine
iris Xapanese
In Spanish
oat Grass
Iris Xapanese
In Greek
βρώμη Grass
ιαπωνική ίριδα
In Portuguese
aveia-
íris japonesa
In Polish
Owies trawa
japońskie iris
In Latin
oat Grass
Iris Italica
Class
Liliopsida
Magnoliopsida
Clade
Angiosperms, Commelinids, Monocots
Angiosperms, Monocots
Subfamily
Danthonioideae
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Importance of Oatgrass and Japanese Iris
Want to have the most appropriate plant for your garden? You might want to know the importance of Oatgrass and Japanese Iris. Basically, these two plants vary in many aspects. Compare Oatgrass and Japanese Iris 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 Oatgrass is Arthritis, Headache and Stomach pain whereas of Japanese Iris is Alterative, Anthelmintic, Antidote, Appetizer, Depurative, Diuretic and Hepatitis. Oatgrass has beauty benefits as follows: while Japanese Iris has beauty benefits as follows: .
Compare Facts of Oatgrass vs Japanese Iris
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 Oatgrass vs Japanese Iris 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 Oatgrass are Asthma and Itchy eyes whereas of Japanese Iris have Skin irritation respectively. Having a fruit bearing plant in your garden can be a plus point of your garden. Oatgrass has showy fruits and Japanese Iris has no showy fruits. Also Oatgrass is not flowering and Japanese Iris is flowering. You can compare Oatgrass and Japanese Iris facts and facts of other plants too.