Life Span
Perennial
Annual and Perennial
Type
Grass
Flowering Plants, Shrubs
Origin
Europe, Asia
World/Pandemic, North America, Europe, Russia/Siberia, China, Korea
Types
Blue Oat grass
Bigleaf hydrangea, Hortensia, Smooth hydrangea, Oakleaf hydrangea, Annabelle
Number of Varieties
-100
0
40000
👆🏻
Habitat
Cropland, gardens, Grassland, Roadsides
Forest edges, Hillside, Woods
USDA Hardiness Zone
4-92-11
0
99
👆🏻
AHS Heat Zone
-
7 - 1
Sunset Zone
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 15, 16, 17, 23, 24
7, 8, 9, 12, 13, 14, 15, 16, 18, 19, 20, 21, 22, 23, 24
Habit
Clump-Forming
Upright/Erect
Plant Size
Minimum Height
20.50 cm30.00 cm
0
3900
👆🏻
Minimum Width
30.50 cm30.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Brown
Blue, Sky Blue, Indigo, Dark Blue
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Brown
Brown, Sandy Brown
Leaf Color in Spring
Gray Green
Sea Green, Gray Green
Leaf Color in Summer
Light Green
Sea Green, Gray Green
Leaf Color in Fall
Dark Green
Sea Green, Gray Green
Leaf Color in Winter
Tan, Brown
Light Green
Shape
Leaf Shape
Grass like
Oblovate
Thorns
✔
✘
✔
✘
Plant Season
-
Spring, Summer, Fall
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun
Growth Rate
Medium
Very Fast
Type of Soil
Loam
Loam, Sand
The pH of Soil
Acidic, Neutral
Acidic, Neutral, Alkaline
Soil Drainage
Average
Well drained
Bloom Time
Early Summer
Indeterminate
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Drought
Where to Plant?
Ground
Container, Ground, Pot
How to Plant?
Seedlings
Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Does not require lot of watering, Water occasionally
Keep ground moist, Requires a lot of watering, Requires regular watering, Requires watering in the growing season
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Acidic, Neutral
Slightly Acidic
Soil Type
Loam
Loamy
Soil Drainage Capacity
Average
Loamy
Sun Exposure
Full Sun, Partial Sun
Full Sun
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
Prune to control growth, Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer
Compost
Pests and Diseases
Red blotch
Bacterial leaf spot, Botrytis Blight, Leafminers, Mealybugs, Mushroom root rot
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
-
Butterflies
Allergy
Asthma, Itchy eyes
Chest tightness, Diarrhea, Dizziness, Nausea, Vomiting
Uses
Aesthetic Uses
-
Beautification, Bouquets, Landscape Designing, Showy Purposes
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification, Food for insects, Indoor Air Purification, Prevent Soil Erosion, Very little waste
Plant Benefits
Medicinal Uses
Arthritis, Headache, Stomach pain
Fever, Kidney problems, Urinary tract problems
Part of Plant Used
Whole plant
Flowers, Root
Other Uses
Used as a nutritious food item
Can be made into a herbal tea, Decoration Purposes, Employed in herbal medicine, Showy Purposes, Used as Ornamental plant, Used for its medicinal properties
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Bedding Plant, Feature Plant, Groundcover
Container, Herb
Botanical Name
ARRHENATHERUM
CENTAUREA cyanus
Common Name
Oatgrass
Batchelor's Buttons, Cornflower
In Hindi
जई घास
Hydrangea
In German
Ährengras
Hortensie
In French
Folle avoine
Hortensia
In Spanish
oat Grass
Hortensia
In Greek
βρώμη Grass
υδραγεία
In Portuguese
aveia-
Hortênsia
In Polish
Owies trawa
Hortensja
In Latin
oat Grass
Hibiscus
Kingdom
Plantae
Plantae
Phylum
-
Anthophyta
Class
Liliopsida
Magnoliopsida
Order
Poales
Asterales
Family
Poaceae
Asteraceae
Genus
Danthonia
Centaurea
Clade
Angiosperms, Commelinids, Monocots
Angiosperms, Asterids, Eudicots
Tribe
Aveneae
Cynareae
Subfamily
Danthonioideae
Carduoideae
Number of Species
450250
1
27800
👆🏻