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
-
Number of Varieties
10010
0
40000
👆🏻
Habitat
Forest margins, Hillside, Woods
Desert, Dry areas, Dry Forest, Rocky areas
USDA Hardiness Zone
3-94-9
0
99
👆🏻
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
Minimum Height
4.92 cm45.00 cm
0
3900
👆🏻
Minimum Width
11.00 cm60.96 cm
0
6350
👆🏻
Plant Color
Flower Color
Blue, Dark Purple, Light Purple, Red, White
Blue Green
Flower Color Modifier
-
Bicolor
Fruit Color
-
-
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
-
Blue Green, Tan, Silver, Gray
Shape
Leaf Shape
Oblovate
Grass like
Thorns
✔
✘
✔
✘
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
✔
✘
✔
✘
Tolerances
-
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
✔
✘
✔
✘
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
Fine
Foliage Sheen
Matte
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
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
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification
Plant Benefits
Medicinal Uses
Fever, Kidney problems, Urinary tract problems
-
Part of Plant Used
Flowers, Root
Stem
Other Uses
-
Used as Ornamental plant
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
-
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
-
Angiosperms, Commelinids, Monocots
Tribe
-
Aveneae
Subfamily
-
Pooideae
Number of Species
7570
1
27800
👆🏻