Life Span
Perennial
Perennial
Type
Grass
Tender Perennial
Origin
Europe, Asia
North America, Mexico, Latin America and the Caribbean, Caribbean, Central America, South America
Types
Blue Oat grass
Cryptanthus 'Absolute Zero'
Cryptanthus 'Agate'
Cryptanthus 'Alberta'
Cryptanthus 'Alpine Frost'
Number of Varieties
-480
0
40000
👆🏻
Habitat
Cropland, gardens, Grassland, Roadsides
Lowland evergreen rainforest, Rainforest, Shaded sites, Wild
USDA Hardiness Zone
4-9-9999
0
99
👆🏻
AHS Heat Zone
-
-
Sunset Zone
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 15, 16, 17, 23, 24
-
Habit
Clump-Forming
-
Plant Size
Minimum Height
20.50 cm20.00 cm
0
3900
👆🏻
Minimum Width
30.50 cm15.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Brown
-
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Brown
-
Leaf Color in Spring
Gray Green
-
Leaf Color in Summer
Light Green
-
Leaf Color in Fall
Dark Green
-
Leaf Color in Winter
Tan, Brown
Light Green
Shape
Leaf Shape
Grass like
Linear
Thorns
✔
✘
✔
✘
Plant Season
-
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun
-
Growth Rate
Medium
-
Type of Soil
Loam
-
The pH of Soil
Acidic, Neutral
-
Soil Drainage
Average
-
Bloom Time
Early Summer
-
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Drought
Where to Plant?
Ground
Container, Ground, Pot
How to Plant?
Seedlings
Cuttings, Leaf Cutting, Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Does not require lot of watering, Water occasionally
Average Water Needs, Do not water excessively, Keep the Soil well drained
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Acidic, Neutral
-
Soil Type
Loam
-
Soil Drainage Capacity
Average
-
Sun Exposure
Full Sun, Partial Sun
-
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
Pinch or prune as they grow to promote branching and bushiness, Pinching, Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer
Does not require fertilizer once established
Pests and Diseases
Red blotch
Pests and diseases free, Red blotch
Plant Tolerance
Drought
Variety of soil types
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
-
-
Foliage Sheen
Matte
-
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
-
Ladybug beetles, Mealybugs, Scale Insects
Allergy
Asthma, Itchy eyes
-
Uses
Aesthetic Uses
-
Beautification, Borders, Decorating walls, Ground Cover
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification
Plant Benefits
Medicinal Uses
Arthritis, Headache, Stomach pain
-
Part of Plant Used
Whole plant
-
Other Uses
Used as a nutritious food item
Used as Ornamental plant, useful as a ground cover
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Bedding Plant, Feature Plant, Groundcover
-
Botanical Name
ARRHENATHERUM
CRYPTANTHUS
Common Name
Oatgrass
Cryptanthus, Earth Star
In Hindi
जई घास
Earth Star
In German
Ährengras
Erdstern
In French
Folle avoine
Terre étoile
In Spanish
oat Grass
estrella de la tierra
In Greek
βρώμη Grass
γη αστεριών
In Portuguese
aveia-
Estrela da terra
In Polish
Owies trawa
Gwiazda ziemi
In Latin
oat Grass
terra, stella
Kingdom
Plantae
Plantae
Phylum
-
Tracheophyta
Class
Liliopsida
Liliopsida
Order
Poales
Bromeliales
Family
Poaceae
Bromeliaceae
Genus
Danthonia
Cryptanthus
Clade
Angiosperms, Commelinids, Monocots
Angiosperms, Commelinids, Monocots
Tribe
Aveneae
-
Subfamily
Danthonioideae
Bromelioideae
Number of Species
45050
1
27800
👆🏻