Life Span
Perennial
Perennial
Origin
Europe
Europe, Asia
Habitat
dry rocky watercourses
Cropland, gardens, Grassland, Roadsides
USDA Hardiness Zone
3-9
4-9
Sunset Zone
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 15, 16, 17, 23, 24
Habit
Upright/Erect
Clump-Forming
Flower Color
Blue Violet, Lavender, Purple, White
Brown
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Green, Brown
Brown
Leaf Color in Spring
Green, Sea Green
Gray Green
Leaf Color in Summer
Green, Sea Green
Light Green
Leaf Color in Fall
Green, Sea Green
Dark Green
Leaf Color in Winter
Light Green
Tan, Brown
Leaf Shape
Lanceolate to elliptical
Grass like
Plant Season
Spring, Summer
-
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun
Growth Rate
Medium
Medium
Type of Soil
Clay, Loam, Sand
Loam
The pH of Soil
Acidic, Neutral, Alkaline
Acidic, Neutral
Soil Drainage
Well drained
Average
Bloom Time
Spring, Late Spring, Early Summer
Early Summer
Tolerances
Drought
Drought
Where to Plant?
Container, Ground
Ground
How to Plant?
Rhizome division
Seedlings
Plant Maintenance
Medium
Medium
Watering Requirements
Average Water Needs
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
Well drained
Average
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
Aphids, Bacterial leaf spot, Billbugs, Borers, Fungal leaf spots
Red blotch
Plant Tolerance
Drought
Drought
Flower Petal Number
Single
Single
Foliage Sheen
Matte
Matte
Allergy
Gastric disturbances, Skin irritation
Asthma, Itchy eyes
Aesthetic Uses
Showy Purposes
-
Environmental Uses
Air purification
Air purification
Medicinal Uses
Juice of fresh root used for treatment of dropsy
Arthritis, Headache, Stomach pain
Part of Plant Used
Root
Whole plant
Other Uses
Making Perfumes, Used as a flavouring in food
Used as a nutritious food item
Used As Indoor Plant
No
No
Used As Outdoor Plant
Yes
Yes
Garden Design
Cutflower, Feature Plant, Mixed Border
Bedding Plant, Feature Plant, Groundcover
Botanical Name
Iris germanica
ARRHENATHERUM
Common Name
German Iris
Oatgrass
In Hindi
German Iris
जई घास
In German
German Iris
Ährengras
In French
German Iris
Folle avoine
In Spanish
German Iris
oat Grass
In Greek
German Iris
βρώμη Grass
In Portuguese
German Iris
aveia-
In Polish
German Iris
Owies trawa
In Latin
German Iris
oat Grass
Class
Liliopsida
Liliopsida
Clade
Angiosperms, Monocots
Angiosperms, Commelinids, Monocots
Subfamily
Iridoideae
Danthonioideae
Season and Care of German Iris and Oatgrass
Season and care of German Iris and Oatgrass is important to know. While considering everything about German Iris and Oatgrass Care, growing season is an essential factor. German Iris season is Spring and Summer and Oatgrass season is Spring and Summer. The type of soil for German Iris is Clay, Loam, Sand and for Oatgrass is Loam while the PH of soil for German Iris is Acidic, Neutral, Alkaline and for Oatgrass is Acidic, Neutral.
German Iris and Oatgrass Physical Information
German Iris and Oatgrass physical information is very important for comparison. German Iris height is 71.10 cm and width 45.70 cm whereas Oatgrass height is 20.50 cm and width 30.50 cm. The color specification of German Iris and Oatgrass are as follows:
German Iris flower color: Blue Violet, Lavender, Purple and White
German Iris leaf color: Green and Sea Green
Oatgrass flower color: Brown
- Oatgrass leaf color: Gray Green
Care of German Iris and Oatgrass
Care of German Iris and Oatgrass include pruning, fertilizers, watering etc. German Iris pruning is done Remove damaged leaves, Remove dead branches and Remove dead leaves and Oatgrass pruning is done Remove damaged leaves, Remove dead branches and Remove dead leaves. In summer German Iris needs Lots of watering and in winter, it needs Average Water. Whereas, in summer Oatgrass needs Lots of watering and in winter, it needs Average Water.