Life Span
Perennial
Perennial
Type
Grass
Shrubs
Origin
Europe, Asia
China, Indonesia, Japan, Korea, The Hiamalayas
Types
Blue Oat grass
Bigleaf hydrangea, Hortensia, Smooth hydrangea, Oakleaf hydrangea, Annabelle
Number of Varieties
-100
0
40000
👆🏻
Habitat
Cropland, gardens, Grassland, Roadsides
Forest margins, Hillside, Woods
USDA Hardiness Zone
4-93-9
0
99
👆🏻
AHS Heat Zone
-
9-1
Sunset Zone
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 15, 16, 17, 23, 24
A3, 1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21
Habit
Clump-Forming
Oval or Rounded
Plant Size
Minimum Height
20.50 cm4.92 cm
0
3900
👆🏻
Minimum Width
30.50 cm11.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Brown
Blue, Dark Purple, Light Purple, Red, White
Flower Color Modifier
Bicolor
-
Fruit Color
Brown
-
Leaf Color in Spring
Gray Green
Green
Leaf Color in Summer
Light Green
Green, Dark Green
Leaf Color in Fall
Dark Green
Dark Green, Yellow, Yellow green
Leaf Color in Winter
Tan, Brown
-
Shape
Leaf Shape
Grass like
Oblovate
Thorns
✔
✘
✔
✘
Plant Season
-
Early Spring, Late Autumn
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun
Growth Rate
Medium
Fast
Type of Soil
Loam
Light
The pH of Soil
Acidic, Neutral
Acidic
Soil Drainage
Average
Well drained
Bloom Time
Early Summer
Spring, Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
-
Where to Plant?
Ground
Ground, Pot
How to Plant?
Seedlings
Seedlings, Stem Planting
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Does not require lot of watering, Water occasionally
Keep the ground moist but not water-logged, Requires regular watering, Use and maintain water-efficient soaker hoses, Water twice a day in the initial period
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Acidic, Neutral
Acidic
Soil Type
Loam
Light
Soil Drainage Capacity
Average
Well drained
Sun Exposure
Full Sun, Partial Sun
Full Sun
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
Cut or pinch the stems, Do not prune during shooting season, Prune lower leaves, Prune to stimulate growth, Remove dead or diseased plant parts
Fertilizers
All-Purpose Liquid Fertilizer
All-Purpose Liquid Fertilizer
Pests and Diseases
Red blotch
Anthracnose, Cercospora leaf spot, Mushroom root rot, Powdery mildew
Plant Tolerance
Drought
Drought
Flowers
✔
✘
✔
✘
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
-
Coarse
Foliage Sheen
Matte
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
-
Bees, Flies
Allergy
Asthma, Itchy eyes
Chest tightness, Diarrhea, Dizziness, Nausea, Vomiting
Uses
Aesthetic Uses
-
Showy Purposes
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
-
Botanical Name
ARRHENATHERUM
Hydrangea
Common Name
Oatgrass
Hydrangea or hortensia
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
-
Magnoliophyta
Class
Liliopsida
Magnoliopsida
Order
Poales
Cornales
Family
Poaceae
Hydrangeaceae
Genus
Danthonia
Hydrangea
Clade
Angiosperms, Commelinids, Monocots
-
Tribe
Aveneae
-
Subfamily
Danthonioideae
-
Number of Species
45075
1
27800
👆🏻