Life Span
Annual and Perennial
Perennial
Type
Flowering Plants, Shrubs
Tree
Origin
World/Pandemic, North America, Europe, Russia/Siberia, China, Korea
Europe, Southern Asia, Southeastern Asia, India, China
Types
Bigleaf hydrangea, Hortensia, Smooth hydrangea, Oakleaf hydrangea, Annabelle
cinnamomeum, zeylanicum, delavayi
Number of Varieties
1005
0
40000
👆🏻
Habitat
Forest edges, Hillside, Woods
Dappled Shade, Woodlands
USDA Hardiness Zone
2-117-9
0
99
👆🏻
AHS Heat Zone
7 - 1
9-6
Sunset Zone
7, 8, 9, 12, 13, 14, 15, 16, 18, 19, 20, 21, 22, 23, 24
H1, 8, 9, 14, 15, 16, 17, 23, 24
Habit
Upright/Erect
Upright/Erect
Plant Size
Minimum Height
30.00 cm910.00 cm
0
3900
👆🏻
Minimum Width
30.00 cm300.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Blue, Sky Blue, Indigo, Dark Blue
White, Red, Pink
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Brown, Sandy Brown
Brown, Chocolate
Leaf Color in Spring
Sea Green, Gray Green
Green, Dark Green
Leaf Color in Summer
Sea Green, Gray Green
Dark Green
Leaf Color in Fall
Sea Green, Gray Green
Dark Green
Leaf Color in Winter
Light Green
Dark Green
Shape
Leaf Shape
Oblovate
Ovate
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun
Growth Rate
Very Fast
Medium
Type of Soil
Loam, Sand
Loam, Sand
The pH of Soil
Acidic, Neutral, Alkaline
Acidic
Soil Drainage
Well drained
Average
Bloom Time
Indeterminate
Early Spring, Spring, Late Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
-
Where to Plant?
Container, Ground, Pot
Ground
How to Plant?
Seedlings
Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Keep ground moist, Requires a lot of watering, Requires regular watering, Requires watering in the growing season
Reduce water once established
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Slightly Acidic
Acidic
Soil Type
Loamy
Loam, Sand
Soil Drainage Capacity
Loamy
Average
Sun Exposure
Full Sun
Full Sun, Partial Sun
Pruning
Prune to control growth, Remove damaged leaves, Remove dead branches, Remove dead leaves
Prune after flowering, Prune if you want to improve plant shape, Remove dead or diseased plant parts
Fertilizers
Compost
Doesn't require fertilization when grown in rich soil, Fertilize in early spring, fertilize in winter, Mulch
Pests and Diseases
Bacterial leaf spot, Botrytis Blight, Leafminers, Mealybugs, Mushroom root rot
Phytophthora, Thripes
Plant Tolerance
Drought
-
Flowers
Showy
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
Coarse
Foliage Sheen
Matte
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Butterflies
Butterflies
Allergy
Chest tightness, Diarrhea, Dizziness, Nausea, Vomiting
-
Uses
Aesthetic Uses
Beautification, Bouquets, Landscape Designing, Showy Purposes
Showy Purposes
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Food for insects, Indoor Air Purification, Prevent Soil Erosion, Very little waste
Insect Repellent, Shadow Tree, Windbreak
Plant Benefits
Medicinal Uses
Fever, Kidney problems, Urinary tract problems
antimicrobial, Cancer, Dermatitis
Part of Plant Used
Flowers, Root
Flowers, Leaves
Other Uses
Can be made into a herbal tea, Decoration Purposes, Employed in herbal medicine, Showy Purposes, Used as Ornamental plant, Used for its medicinal properties
Used as fuel, Used as insect repellent, Used as Ornamental plant, Used for its medicinal properties
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Container, Herb
Feature Plant, Mixed Border, Topiary / Bonsai / Espalier
Botanical Name
CENTAUREA cyanus
RHODODENDRON arboreum
Common Name
Batchelor's Buttons, Cornflower
Chalan, Rose Tree, Tree Rhododendron
In Hindi
Hydrangea
लाल बुरांश
In German
Hortensie
Rhododendron arboreum
In French
Hortensia
Rhododendron arboreum
In Spanish
Hortensia
arboreum rododendro
In Greek
υδραγεία
Rhododendron arboreum
In Portuguese
Hortênsia
arboreum Rhododendron
In Polish
Hortensja
różanecznik drzewiasty
In Latin
Hibiscus
Prunus arborea
Kingdom
Plantae
Plantae
Phylum
Anthophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Asterales
Ericales
Family
Asteraceae
Ericaceae
Genus
Centaurea
Rhododendron
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Asterids, Eudicots
Tribe
Cynareae
-
Subfamily
Carduoideae
-
Number of Species
2501000
1
27800
👆🏻