Life Span
Perennial
Perennial
Type
Perennial
Grass
Origin
Europe
Europe, Asia
Types
-
Blue Oat grass
Number of Varieties
6-
0
40000
👆🏻
Habitat
dry rocky watercourses
Cropland, gardens, Grassland, Roadsides
USDA Hardiness Zone
3-94-9
0
99
👆🏻
AHS Heat Zone
8-1
-
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
Plant Size
Minimum Height
71.10 cm20.50 cm
0
3900
👆🏻
Minimum Width
45.70 cm30.50 cm
0
6350
👆🏻
Plant Color
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
Shape
Leaf Shape
Lanceolate to elliptical
Grass like
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer
-
Growing Conditions
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
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Drought
Where to Plant?
Container, Ground
Ground
How to Plant?
Rhizome division
Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
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
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
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
Coarse
-
Foliage Sheen
Matte
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Butterflies
-
Allergy
Gastric disturbances, Skin irritation
Asthma, Itchy eyes
Uses
Aesthetic Uses
Showy Purposes
-
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification
Plant Benefits
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
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
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
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
-
Class
Liliopsida
Liliopsida
Order
Asparagales
Poales
Family
Iridaceae
Poaceae
Genus
Iris
Danthonia
Clade
Angiosperms, Monocots
Angiosperms, Commelinids, Monocots
Tribe
Irideae
Aveneae
Subfamily
Iridoideae
Danthonioideae
Number of Species
300450
1
27800
👆🏻