Life Span
Perennial
Perennial
Type
Grass
Flowering Plants, Shrubs
Origin
Europe, Asia
Northeastern United States, Mid-Atlantic United States, Southeastern United States, North-Central United States, Central United States, Canada
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
4-94-9
0
99
👆🏻
AHS Heat Zone
-
10*1
Sunset Zone
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 15, 16, 17, 23, 24
21,22
Habit
Clump-Forming
Upright/Erect
Plant Size
Minimum Height
20.50 cm90.00 cm
0
3900
👆🏻
Minimum Width
30.50 cm60.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Brown
Yellow, Lemon yellow, Gold
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Brown
-
Leaf Color in Spring
Gray Green
Green
Leaf Color in Summer
Light Green
Green
Leaf Color in Fall
Dark Green
Green
Leaf Color in Winter
Tan, Brown
Light Green
Shape
Leaf Shape
Grass like
Oblovate
Thorns
✔
✘
✔
✘
Plant Season
-
Summer, Fall
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun
Growth Rate
Medium
Medium
Type of Soil
Loam
Clay, Loam, Sand
The pH of Soil
Acidic, Neutral
Acidic, Neutral, Alkaline
Soil Drainage
Average
Average
Bloom Time
Early Summer
Summer, Late Summer, Early Fall, Fall
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Wet Site
Where to Plant?
Ground
Container, Ground
How to Plant?
Seedlings
Seedlings, Stem Planting
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Does not require lot of watering, Water occasionally
-
In Summer
Lots of watering
Average Water, Ample Water
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Acidic, Neutral
Acidic, Neutral, Alkaline
Soil Type
Loam
Clay, Loam, Sand
Soil Drainage Capacity
Average
Average
Sun Exposure
Full Sun, Partial Sun
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
Wet Site
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
-
Birds, Butterflies
Allergy
Asthma, Itchy eyes
Chest tightness, Diarrhea, Dizziness, Nausea, Vomiting
Uses
Aesthetic Uses
-
-
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification
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
-
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Bedding Plant, Feature Plant, Groundcover
Bog Garden, Cutflower, Mixed Border, Wildflower
Botanical Name
ARRHENATHERUM
HELIANTHUS giganteus
Common Name
Oatgrass
Giant Sunflower
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
-
-
Class
Liliopsida
-
Order
Poales
-
Family
Poaceae
Asteraceae
Genus
Danthonia
-
Clade
Angiosperms, Commelinids, Monocots
-
Tribe
Aveneae
-
Subfamily
Danthonioideae
-
Number of Species
4501
1
27800
👆🏻