Life Span
Perennial
Perennial
Origin
Europe, Asia
Europe
Habitat
Cropland, gardens, Grassland, Roadsides
dry rocky watercourses
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
Habit
Clump-Forming
Upright/Erect
Flower Color
Brown
Blue Violet, Lavender, Purple, White
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Brown
Green, Brown
Leaf Color in Spring
Gray Green
Green, Sea Green
Leaf Color in Summer
Light Green
Green, Sea Green
Leaf Color in Fall
Dark Green
Green, Sea Green
Leaf Color in Winter
Tan, Brown
Light Green
Leaf Shape
Grass like
Lanceolate to elliptical
Plant Season
-
Spring, Summer
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun
Growth Rate
Medium
Medium
Type of Soil
Loam
Clay, Loam, Sand
The pH of Soil
Acidic, Neutral
Acidic, Neutral, Alkaline
Soil Drainage
Average
Well drained
Bloom Time
Early Summer
Spring, Late Spring, Early Summer
Tolerances
Drought
Drought
Where to Plant?
Ground
Container, Ground
How to Plant?
Seedlings
Rhizome division
Plant Maintenance
Medium
Medium
Watering Requirements
Does not require lot of watering, Water occasionally
Average Water Needs
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil pH
Acidic, Neutral
Acidic, Neutral, Alkaline
Soil Type
Loam
Clay, Loam, Sand
Soil Drainage Capacity
Average
Well drained
Sun Exposure
Full Sun, Partial Sun
Full Sun, Partial Sun
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer
All-Purpose Liquid Fertilizer
Pests and Diseases
Red blotch
Aphids, Bacterial leaf spot, Billbugs, Borers, Fungal leaf spots
Plant Tolerance
Drought
Drought
Flower Petal Number
Single
Single
Foliage Sheen
Matte
Matte
Allergy
Asthma, Itchy eyes
Gastric disturbances, Skin irritation
Aesthetic Uses
-
Showy Purposes
Environmental Uses
Air purification
Air purification
Medicinal Uses
Arthritis, Headache, Stomach pain
Juice of fresh root used for treatment of dropsy
Part of Plant Used
Whole plant
Root
Other Uses
Used as a nutritious food item
Making Perfumes, Used as a flavouring in food
Used As Indoor Plant
No
No
Used As Outdoor Plant
Yes
Yes
Garden Design
Bedding Plant, Feature Plant, Groundcover
Cutflower, Feature Plant, Mixed Border
Botanical Name
ARRHENATHERUM
Iris germanica
Common Name
Oatgrass
German Iris
In Hindi
जई घास
German Iris
In German
Ährengras
German Iris
In French
Folle avoine
German Iris
In Spanish
oat Grass
German Iris
In Greek
βρώμη Grass
German Iris
In Portuguese
aveia-
German Iris
In Polish
Owies trawa
German Iris
In Latin
oat Grass
German Iris
Class
Liliopsida
Liliopsida
Clade
Angiosperms, Commelinids, Monocots
Angiosperms, Monocots
Subfamily
Danthonioideae
Iridoideae
Season and Care of Oatgrass and German Iris
Season and care of Oatgrass and German Iris is important to know. While considering everything about Oatgrass and German Iris Care, growing season is an essential factor. Oatgrass season is and German Iris season is . The type of soil for Oatgrass is Loam and for German Iris is Clay, Loam, Sand while the PH of soil for Oatgrass is Acidic, Neutral and for German Iris is Acidic, Neutral, Alkaline.
Oatgrass and German Iris Physical Information
Oatgrass and German Iris physical information is very important for comparison. Oatgrass height is 20.50 cm and width 30.50 cm whereas German Iris height is 71.10 cm and width 45.70 cm. The color specification of Oatgrass and German Iris are as follows:
Oatgrass flower color: Brown
Oatgrass leaf color: Gray Green
German Iris flower color: Blue Violet, Lavender, Purple and White
- German Iris leaf color: Green and Sea Green
Care of Oatgrass and German Iris
Care of Oatgrass and German Iris include pruning, fertilizers, watering etc. Oatgrass pruning is done Remove damaged leaves, Remove dead branches and Remove dead leaves and German Iris pruning is done Remove damaged leaves, Remove dead branches and Remove dead leaves. In summer Oatgrass needs Lots of watering and in winter, it needs Average Water. Whereas, in summer German Iris needs Lots of watering and in winter, it needs Average Water.