Life Span
Perennial
  
Perennial
  
Type
Shrubs
  
Ornamental Grasses and Bamboo
  
Origin
China, Indonesia, Japan, Korea, The Hiamalayas
  
Southern Europe, Western Europe, Mediterranean
  
Types
Bigleaf hydrangea, Hortensia, Smooth hydrangea, Oakleaf hydrangea, Annabelle
  
Not Available
  
Number of Varieties
Not Available
  
Habitat
Forest margins, Hillside, Woods
  
Desert, Dry areas, Dry Forest, Rocky areas
  
USDA Hardiness Zone
3-9
  
4-9
  
AHS Heat Zone
9-1
  
9 - 1
  
Sunset Zone
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
  
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
  
Habit
Oval or Rounded
  
Cushion/Mound-forming
  
Plant Size
  
  
Plant Color
  
  
Flower Color
Blue, Dark Purple, Light Purple, Red, White
  
Blue Green
  
Flower Color Modifier
Not Available
  
Bicolor
  
Fruit Color
Not Available
  
Not Available
  
Leaf Color in Spring
Green
  
Blue Green, Silver, Gray
  
Leaf Color in Summer
Green, Dark Green
  
Light Green
  
Leaf Color in Fall
Dark Green, Yellow, Yellow green
  
Blue Green, Silver, Gray
  
Leaf Color in Winter
Not Available
  
Blue Green, Tan, Silver, Gray
  
Shape
  
  
Leaf Shape
Oblovate
  
Grass like
  
Thorns
No
  
No
  
Plant Season
Early Spring, Late Autumn
  
Spring, Summer, Fall, Winter
  
Growing Conditions
  
  
Sunlight
Full Sun
  
Full Sun
  
Growth Rate
Fast
  
Medium
  
Type of Soil
Light
  
Clay, Loam, Sand
  
The pH of Soil
Acidic
  
Neutral, Alkaline
  
Soil Drainage
Well drained
  
Well drained
  
Bloom Time
Spring, Summer
  
Late Spring, Early Summer
  
Repeat Bloomer
No
  
No
  
Tolerances
Not Available
  
Salt
  
Where to Plant?
Ground, Pot
  
Container, Ground
  
How to Plant?
Seedlings, Stem Planting
  
Rooted stem cutting, Seedlings, Stem Planting
  
Plant Maintenance
Medium
  
Medium
  
Watering Plants
  
  
Watering Requirements
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
  
Average Water Needs, occasional watering once established, 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, Alkaline
  
Soil Type
Light
  
Clay, Loam, Sand
  
Soil Drainage Capacity
Well drained
  
Well drained
  
Sun Exposure
Full Sun
  
Full Sun
  
Pruning
Cut or pinch the stems, Do not prune during shooting season, Prune lower leaves, Prune to stimulate growth, Remove dead or diseased plant parts
  
Cut or pinch the stems, Pinch Tips, Remove damaged leaves, Remove dead branches, Remove dead leaves
  
Fertilizers
All-Purpose Liquid Fertilizer
  
All-Purpose Liquid Fertilizer
  
Pests and Diseases
Anthracnose, Cercospora leaf spot, Mushroom root rot, Powdery mildew
  
Red blotch
  
Plant Tolerance
Drought
  
Salt
  
Flowers
Yes
  
No
  
Flower Petal Number
Single
  
Single
  
Fruits
  
  
Showy Fruit
No
  
No
  
Edible Fruit
No
  
No
  
Fragrance
  
  
Fragrant Flower
No
  
No
  
Fragrant Fruit
No
  
No
  
Fragrant Leaf
No
  
No
  
Fragrant Bark/Stem
No
  
No
  
Showy Foliage
Yes
  
Yes
  
Showy Bark
No
  
No
  
Foliage Texture
Coarse
  
Fine
  
Foliage Sheen
Matte
  
Matte
  
Evergreen
No
  
No
  
Invasive
No
  
No
  
Self-Sowing
Yes
  
Yes
  
Attracts
Bees, Flies
  
Butterflies, Hummingbirds
  
Allergy
Chest tightness, Diarrhea, Dizziness, Nausea, Vomiting
  
Asthma, Itchiness, Rash, Rhinitis
  
Uses
  
  
Aesthetic Uses
Showy Purposes
  
Ground Cover
  
Beauty Benefits
Not Available
  
Not Available
  
Edible Uses
No
  
No
  
Environmental Uses
Air purification
  
Air purification
  
Plant Benefits
  
  
Medicinal Uses
Fever, Kidney problems, Urinary tract problems
  
Not Available
  
Part of Plant Used
Flowers, Root
  
Stem
  
Other Uses
Not Available
  
Used as Ornamental plant
  
Used As Indoor Plant
No
  
No
  
Used As Outdoor Plant
Yes
  
Yes
  
Garden Design
Not Available
  
Container, Edging, Mixed Border, Rock Garden / Wall
  
Botanical Name
Hydrangea
  
HELICTOTRICHON sempervirens
  
Common Name
Hydrangea or hortensia
  
Blue Oat Grass
  
In Hindi
Hydrangea
  
ब्लू जई घास
  
In German
Hortensie
  
Blau Ährengras
  
In French
Hortensia
  
Bleu Oat Grass
  
In Spanish
Hortensia
  
Azul hierba de avena
  
In Greek
υδραγεία
  
Μπλε βρώμης Grass
  
In Portuguese
Hortênsia
  
Azul Aveia
  
In Polish
Hortensja
  
Niebieski Owies trawa
  
In Latin
Hibiscus
  
Blue Oat Grass
  
Kingdom
Plantae
  
Plantae
  
Phylum
Magnoliophyta
  
Magnoliophyta
  
Class
Magnoliopsida
  
Liliopsida
  
Order
Cornales
  
Poales
  
Family
Hydrangeaceae
  
Poaceae
  
Genus
Hydrangea
  
Helictotrichon
  
Clade
Not Available
  
Angiosperms, Commelinids, Monocots
  
Tribe
Not Available
  
Aveneae
  
Subfamily
Not Available
  
Pooideae
  
Number of Species
Not Available
  
Season and Care of Hydrangea and Blue Oat Grass
Season and care of Hydrangea and Blue Oat Grass is important to know. While considering everything about Hydrangea and Blue Oat Grass Care, growing season is an essential factor. Hydrangea season is Early Spring and Late Autumn and Blue Oat Grass season is Early Spring and Late Autumn. The type of soil for Hydrangea is Light and for Blue Oat Grass is Clay, Loam, Sand while the PH of soil for Hydrangea is Acidic and for Blue Oat Grass is Neutral, Alkaline.
Hydrangea and Blue Oat Grass Physical Information
Hydrangea and Blue Oat Grass physical information is very important for comparison. Hydrangea height is 4.92 cm and width 11.00 cm whereas Blue Oat Grass height is 45.00 cm and width 60.96 cm. The color specification of Hydrangea and Blue Oat Grass are as follows:
Hydrangea flower color: Blue, Dark Purple, Light Purple, Red and White
Hydrangea leaf color: Green
Blue Oat Grass flower color: Blue Green
- Blue Oat Grass leaf color: Blue Green, Silver and Gray
Care of Hydrangea and Blue Oat Grass
Care of Hydrangea and Blue Oat Grass include pruning, fertilizers, watering etc. Hydrangea pruning is done Cut or pinch the stems, Do not prune during shooting season, Prune lower leaves, Prune to stimulate growth and Remove dead or diseased plant parts and Blue Oat Grass pruning is done Cut or pinch the stems, Pinch Tips, Remove damaged leaves, Remove dead branches and Remove dead leaves. In summer Hydrangea needs Lots of watering and in winter, it needs Average Water. Whereas, in summer Blue Oat Grass needs Lots of watering and in winter, it needs Average Water.