Life Span
Perennial
Perennial
Type
Shrubs
Grass
Origin
China, Indonesia, Japan, Korea, The Hiamalayas
Japan
Types
Bigleaf hydrangea, Hortensia, Smooth hydrangea, Oakleaf hydrangea, Annabelle
Imperata cylindrica
Number of Varieties
10030
0
40000
👆🏻
Habitat
Forest margins, Hillside, Woods
Moist Soils, River side, yards
USDA Hardiness Zone
3-95-9
0
99
👆🏻
AHS Heat Zone
9-1
9 - 3
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
2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Oval or Rounded
Upright/Erect
Plant Size
Minimum Height
4.92 cm60.00 cm
0
3900
👆🏻
Minimum Width
11.00 cm30.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Blue, Dark Purple, Light Purple, Red, White
-
Flower Color Modifier
-
Bicolor
Fruit Color
-
-
Leaf Color in Spring
Green
Light Green
Leaf Color in Summer
Green, Dark Green
Light Green
Leaf Color in Fall
Dark Green, Yellow, Yellow green
Green, Sienna
Leaf Color in Winter
-
Tan
Shape
Leaf Shape
Oblovate
Subulate
Thorns
✔
✘
✔
✘
Plant Season
Early Spring, Late Autumn
-
Growing Conditions
Sunlight
Full Sun
Full Sun, Partial Sun
Growth Rate
Fast
Fast
Type of Soil
Light
Clay, Loam, Sand
The pH of Soil
Acidic
Acidic, Neutral, Alkaline
Soil Drainage
Well drained
Average
Bloom Time
Spring, Summer
Late Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
-
Drought, Salt
Where to Plant?
Ground, Pot
Ground
How to Plant?
Seedlings, Stem Planting
From Rhizomes, Seedlings
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, Keep the ground moist but not water-logged
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Acidic
Acidic, Neutral, Alkaline
Soil Type
Light
Clay, Loam, Sand
Soil Drainage Capacity
Well drained
Average
Sun Exposure
Full Sun
Full Sun, Partial 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
Prune once the plant is tall enough, Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer
can go long without fertilizers, Doesn't require fertilization when grown in rich soil
Pests and Diseases
Anthracnose, Cercospora leaf spot, Mushroom root rot, Powdery mildew
Red blotch
Plant Tolerance
Drought
Deer resistant, Drought, Full Sun, Shade areas
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
Medium
Foliage Sheen
Matte
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Bees, Flies
-
Allergy
Chest tightness, Diarrhea, Dizziness, Nausea, Vomiting
-
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
Leaves, Root
Other Uses
-
Traditional medicine, Weaving into Mats and Bags
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
-
-
Botanical Name
Hydrangea
IMPERATA cylindrica
Common Name
Hydrangea or hortensia
Japanese Blood Grass
In Hindi
Hydrangea
Japanese Blood Grass
In German
Hortensie
Japanische Blut Grass
In French
Hortensia
Herbe de sang japonais
In Spanish
Hortensia
Hierba de sangre japonesa
In Greek
υδραγεία
Ιαπωνικά Grass αίματος
In Portuguese
Hortênsia
Grama sangue japonês
In Polish
Hortensja
Japoński Krew Trawa
In Latin
Hibiscus
Sanguinem Italica Grass
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Liliopsida
Order
Cornales
Cyperales
Family
Hydrangeaceae
Poaceae
Genus
Hydrangea
Imperata
Clade
-
Angiosperms, Commelinids, Monocots
Tribe
-
-
Subfamily
-
-
Number of Species
7515
1
27800
👆🏻