Life Span
Annual
Perennial
Type
Perennial
Grass
Origin
Northeastern United States, Mid-Atlantic United States, Southeastern United States, Central United States, Canada, Mexico
Europe, Asia
Types
Shrub
Blue Oat grass
Number of Varieties
70-
0
40000
👆🏻
Habitat
Sunny Edge
Cropland, gardens, Grassland, Roadsides
USDA Hardiness Zone
3-94-9
0
99
👆🏻
AHS Heat Zone
8-1
-
Sunset Zone
A2, A3, 1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 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
60.00 cm20.50 cm
0
3900
👆🏻
Minimum Width
45.70 cm30.50 cm
0
6350
👆🏻
Plant Color
Flower Color
White, Purple, Pink, Rose, Violet
Brown
Flower Color Modifier
-
Bicolor
Fruit Color
Red, Green, Light Green
Brown
Leaf Color in Spring
Green
Gray Green
Leaf Color in Summer
Green
Light Green
Leaf Color in Fall
Green
Dark Green
Leaf Color in Winter
Light Green
Tan, Brown
Shape
Leaf Shape
Lance shaped
Grass like
Thorns
✔
✘
✔
✘
Plant Season
Summer, Fall
-
Growing Conditions
Sunlight
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun
Growth Rate
Fast
Medium
Type of Soil
Clay, Loam
Loam
The pH of Soil
Acidic, Neutral, Alkaline
Acidic, Neutral
Soil Drainage
Average
Average
Bloom Time
Summer, Late Summer, Early Fall
Early Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Drought
Where to Plant?
Ground
Ground
How to Plant?
Root Division
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
Loam
Soil Drainage Capacity
Average
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
All-Purpose Liquid Fertilizer
All-Purpose Liquid Fertilizer
Pests and Diseases
Red blotch
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
Glossy
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Hummingbirds
-
Allergy
-
Asthma, Itchy eyes
Uses
Aesthetic Uses
Showy Purposes
-
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification
Plant Benefits
Medicinal Uses
-
Arthritis, Headache, Stomach pain
Part of Plant Used
Flowers
Whole plant
Other Uses
Showy Purposes
Used as a nutritious food item
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Cutflower, Mixed Border, Wildflower
Bedding Plant, Feature Plant, Groundcover
Botanical Name
PHYSOSTEGIA
ARRHENATHERUM
Common Name
Physostegia
Oatgrass
In Hindi
Physostegia
जई घास
In German
Physostegia
Ährengras
In French
Physostegia
Folle avoine
In Spanish
Physostegia
oat Grass
In Greek
Physostegia
βρώμη Grass
In Portuguese
Physostegia
aveia-
In Polish
Physostegia
Owies trawa
In Latin
Physostegia
oat Grass
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
-
Class
Magnoliopsida
Liliopsida
Order
Lamiales
Poales
Family
Lamiaceae
Poaceae
Genus
Physostegia
Danthonia
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Commelinids, Monocots
Tribe
-
Aveneae
Subfamily
-
Danthonioideae
Number of Species
65450
1
27800
👆🏻