Life Span
Perennial
Perennial
Type
Herbaceous Perennial
Grass
Origin
Europe, Eastern Europe, Northern Europe, Southern Europe, Western Europe, Russia, Siberia, Mediterranean, Iraq, Iran, Western Asia
Europe, Asia
Types
-
Blue Oat grass
Number of Varieties
4-
0
40000
👆🏻
Habitat
Temperate Regions, Wet lands
Cropland, gardens, Grassland, Roadsides
USDA Hardiness Zone
4-84-9
0
99
👆🏻
AHS Heat Zone
8-3
-
Sunset Zone
A2, A3, 1a, 1b, 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
Clump-Forming
Clump-Forming
Plant Size
Minimum Height
90.00 cm20.50 cm
0
3900
👆🏻
Minimum Width
1,150.00 cm30.50 cm
0
6350
👆🏻
Plant Color
Flower Color
Light Yellow, Chocolate
Brown
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Brown
Brown
Leaf Color in Spring
Green, Gray Green
Gray Green
Leaf Color in Summer
Gray Green, Dark Green
Light Green
Leaf Color in Fall
Gray Green, Dark Green, Yellow green
Dark Green
Leaf Color in Winter
Light Green
Tan, Brown
Shape
Leaf Shape
Sword-like
Grass like
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer
-
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun
Growth Rate
Fast
Medium
Type of Soil
Clay, Loam, Sand
Loam
The pH of Soil
Acidic, Neutral
Acidic, Neutral
Soil Drainage
Poorly Drained
Average
Bloom Time
-
Early Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Drought
Where to Plant?
Ground
Ground
How to Plant?
From Rhizomes, Seedlings, Water-dispersed Seed
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
Acidic, Neutral
Soil Type
Clay, Loam, Sand
Loam
Soil Drainage Capacity
Poorly 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
Bacteria, fungus, Viruses
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
Medium
-
Foliage Sheen
Matte
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Butterflies, Hummingbirds
-
Allergy
allergic reaction, Skin irritation
Asthma, Itchy eyes
Uses
Aesthetic Uses
Beautification, Showy Purposes
-
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification
Plant Benefits
Medicinal Uses
cathartic, Diarrhea
Arthritis, Headache, Stomach pain
Part of Plant Used
Flowers, Rhizomes, Whole plant
Whole plant
Other Uses
Used in herbal medicines
Used as a nutritious food item
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Bog Garden, Container, Water Gardens
Bedding Plant, Feature Plant, Groundcover
Botanical Name
IRIS pseudacorus
ARRHENATHERUM
Common Name
Pale Yellow Iris, Yellow Flag, Yellow Iris
Oatgrass
In Hindi
Pale Yellow Iris
जई घास
In German
Sumpf-Schwertlilie
Ährengras
In French
Iris pseudacorus
Folle avoine
In Spanish
Iris pseudacorus
oat Grass
In Greek
Pale Yellow Iris
βρώμη Grass
In Portuguese
Pale Yellow Iris
aveia-
In Polish
Kosaciec żółty
Owies trawa
In Latin
Pale Yellow 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
260450
1
27800
👆🏻