Life Span
Perennial
Perennial
Type
Tender Perennial
Grass
Origin
Southern Africa
Europe, Asia
Types
Perennial
Blue Oat grass
Number of Varieties
50-
0
40000
👆🏻
Habitat
Desert, Mediterranean region, Subtropical climates, Temperate Regions
Cropland, gardens, Grassland, Roadsides
USDA Hardiness Zone
8-104-9
0
99
👆🏻
AHS Heat Zone
10-8
-
Sunset Zone
H1, H2, 8, 9, 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
61.30 cm20.50 cm
0
3900
👆🏻
Minimum Width
30.50 cm30.50 cm
0
6350
👆🏻
Plant Color
Flower Color
Yellow, Light Yellow, Brown
Brown
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Green, Brown
Brown
Leaf Color in Spring
Green, Gray Green
Gray Green
Leaf Color in Summer
Green, Gray Green
Light Green
Leaf Color in Fall
Green, Gray Green
Dark Green
Leaf Color in Winter
Light Green
Tan, Brown
Shape
Leaf Shape
Grass like
Grass like
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
-
Growing Conditions
Sunlight
Full Sun, Partial Sun, Partial shade
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
Average
Average
Bloom Time
Indeterminate
Early Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Drought
Where to Plant?
Container, Ground, Pot
Ground
How to Plant?
Rhizome division, Seedlings
Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Requires regular watering
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
Average
Average
Sun Exposure
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun
Pruning
Remove dead leaves
Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
Any balanced general purpose fertilizer
All-Purpose Liquid Fertilizer
Pests and Diseases
Nematodes, Scale
Red blotch
Plant Tolerance
Drought
Drought
Flowers
Showy
-
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
Bees, Birds, Butterflies
-
Allergy
Skin irritation
Asthma, Itchy eyes
Uses
Aesthetic Uses
Showy Purposes
-
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Ethnobotanic
Air purification
Plant Benefits
Medicinal Uses
-
Arthritis, Headache, Stomach pain
Part of Plant Used
Root
Whole plant
Other Uses
Roots were worn to protect and strengthen the wearer, Used as Ornamental plant
Used as a nutritious food item
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Bog Garden, Container, Feature Plant, Mixed Border, Tropical, Water Gardens
Bedding Plant, Feature Plant, Groundcover
Botanical Name
DIETES bicolor
ARRHENATHERUM
Common Name
African iris, Fortnight lily
Oatgrass
In Hindi
African Iris
जई घास
In German
Afrikanische Iris
Ährengras
In French
African Iris
Folle avoine
In Spanish
Iris africano
oat Grass
In Greek
Αφρικανική Iris
βρώμη Grass
In Portuguese
Iris africano
aveia-
In Polish
Afryki Iris
Owies trawa
In Latin
African Iris
oat Grass
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
-
Class
Magnoliopsida
Liliopsida
Order
Asparagales
Poales
Family
Iridaceae
Poaceae
Genus
Dietes
Danthonia
Clade
Angiosperms, Monocots
Angiosperms, Commelinids, Monocots
Tribe
Irideae
Aveneae
Subfamily
Iridoideae
Danthonioideae
Number of Species
300450
1
27800
👆🏻