Life Span
Perennial
Perennial
Type
Shrub
Grass
Origin
United States, Southeastern United States, South-Central United States, Texas, Mexico
Europe, Asia
Types
-
Blue Oat grass
Number of Varieties
2-
0
40000
👆🏻
Habitat
Cultivated Beds
Cropland, gardens, Grassland, Roadsides
USDA Hardiness Zone
8-114-9
0
99
👆🏻
AHS Heat Zone
11-7
-
Sunset Zone
H1, 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
Upright/Erect
Clump-Forming
Plant Size
Minimum Height
90.00 cm20.50 cm
0
3900
👆🏻
Minimum Width
60.00 cm30.50 cm
0
6350
👆🏻
Plant Color
Flower Color
Red, Magenta, Orange Red
Brown
Flower Color Modifier
-
Bicolor
Fruit Color
Brown, Red
Brown
Leaf Color in Spring
Green, Blue Green
Gray Green
Leaf Color in Summer
Green, Blue Green
Light Green
Leaf Color in Fall
Green, Blue Green
Dark Green
Leaf Color in Winter
-
Tan, Brown
Shape
Leaf Shape
Arrowhead
Grass like
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall
-
Growing Conditions
Sunlight
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun
Growth Rate
Fast
Medium
Type of Soil
Loam, Sand
Loam
The pH of Soil
Acidic, Neutral, Alkaline
Acidic, Neutral
Soil Drainage
Well drained
Average
Bloom Time
Early Summer, Summer, Late Summer
Early Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Drought
Where to Plant?
Ground, Pot
Ground
How to Plant?
Seedlings
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
Loam, Sand
Loam
Soil Drainage Capacity
Well drained
Average
Sun Exposure
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
Apply 10-10-10 amount
All-Purpose Liquid Fertilizer
Pests and Diseases
-
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
Hummingbirds
-
Allergy
Toxic
Asthma, Itchy eyes
Uses
Aesthetic Uses
Borders
-
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification
Plant Benefits
Medicinal Uses
Antiemetic, Diuretic, Purgative, Tonic
Arthritis, Headache, Stomach pain
Part of Plant Used
Flowers, Leaves
Whole plant
Other Uses
Used as a general tonic, Used as a rat poison, Used as a vegetable
Used as a nutritious food item
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Foundation, Mixed Border, Rock Garden, Wall, Wildflower
Bedding Plant, Feature Plant, Groundcover
Botanical Name
ERYTHRINA herbacea
ARRHENATHERUM
Common Name
Red cardinal, Cardinal spear
Oatgrass
In Hindi
Red Cardinal
जई घास
In German
Red Cardinal
Ährengras
In French
Cardinal rouge
Folle avoine
In Spanish
Cárdenas
oat Grass
In Greek
κόκκινο Καρδινάλιος
βρώμη Grass
In Portuguese
Cardeal vermelho
aveia-
In Polish
Red Cardinal
Owies trawa
In Latin
Cardinalis Rubrum
oat Grass
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
-
Class
Magnoliopsida
Liliopsida
Order
Fabales
Poales
Family
Fabaceae
Poaceae
Genus
Erythrina
Danthonia
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Commelinids, Monocots
Tribe
Phaseoleae
Aveneae
Subfamily
Faboideae
Danthonioideae
Number of Species
10450
1
27800
👆🏻