Life Span
Annual and Perennial
Perennial
Type
Flowering Plants, Shrubs
Tree
Origin
World/Pandemic, North America, Europe, Russia/Siberia, China, Korea
Southeastern United States
Types
Bigleaf hydrangea, Hortensia, Smooth hydrangea, Oakleaf hydrangea, Annabelle
Tree
Number of Varieties
100-
0
40000
👆🏻
Habitat
Forest edges, Hillside, Woods
Dappled Shade, Sunny Edge, Woodland Garden Canopy
USDA Hardiness Zone
2-115-9
0
99
👆🏻
AHS Heat Zone
7 - 1
9-3
Sunset Zone
7, 8, 9, 12, 13, 14, 15, 16, 18, 19, 20, 21, 22, 23, 24
2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17
Habit
Upright/Erect
Pyramidal
Plant Size
Minimum Height
30.00 cm460.00 cm
0
3900
👆🏻
Minimum Width
30.00 cm370.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Blue, Sky Blue, Indigo, Dark Blue
White
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Brown, Sandy Brown
Brown
Leaf Color in Spring
Sea Green, Gray Green
Green
Leaf Color in Summer
Sea Green, Gray Green
Dark Green
Leaf Color in Fall
Sea Green, Gray Green
Red, Orange Red
Leaf Color in Winter
Light Green
-
Shape
Leaf Shape
Oblovate
Oblong to ablanceolate
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
Slow
Type of Soil
Loam, Sand
Clay, Loam
The pH of Soil
Acidic, Neutral, Alkaline
Acidic
Soil Drainage
Well drained
Well drained
Bloom Time
Indeterminate
Early Summer, Summer
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
Average Water Needs
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
Clay, Loam
Soil Drainage Capacity
Loamy
Well drained
Sun Exposure
Full Sun
Full Sun, Partial Sun
Pruning
Prune to control growth, Remove damaged leaves, Remove dead branches, Remove dead leaves
Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
Compost
Nitrate based fertilizers
Pests and Diseases
Bacterial leaf spot, Botrytis Blight, Leafminers, Mealybugs, Mushroom root rot
Beetles
Plant Tolerance
Drought
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
Medium
Foliage Sheen
Matte
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Butterflies
Birds
Allergy
Chest tightness, Diarrhea, Dizziness, Nausea, Vomiting
-
Uses
Aesthetic Uses
Beautification, Bouquets, Landscape Designing, Showy Purposes
Beautification
Beauty Benefits
-
Hair Conditioner, Skin Problems
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Food for insects, Indoor Air Purification, Prevent Soil Erosion, Very little waste
Air purification
Plant Benefits
Medicinal Uses
Fever, Kidney problems, Urinary tract problems
Cardiac, Diuretic, Refrigerant, Tonic
Part of Plant Used
Flowers, Root
Bark, 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
It is a remedy for treating fevers, Used in making tea, Used in treatment of mouth ulcers
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Container, Herb
Feature Plant, Mixed Border
Botanical Name
CENTAUREA cyanus
OXYDENDRUM arboreum
Common Name
Batchelor's Buttons, Cornflower
Sourwood
In Hindi
Hydrangea
Sourwood
In German
Hortensie
Sourwood
In French
Hortensia
Sourwood
In Spanish
Hortensia
Sourwood
In Greek
υδραγεία
Sourwood
In Portuguese
Hortênsia
Sourwood
In Polish
Hortensja
Sourwood
In Latin
Hibiscus
Sourwood
Kingdom
Plantae
Plantae
Phylum
Anthophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Asterales
Ericales
Family
Asteraceae
Ericaceae
Genus
Centaurea
Oxydendrum
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Asterids, Eudicots
Tribe
Cynareae
Oxydendreae
Subfamily
Carduoideae
Vaccinioideae
Number of Species
2501
1
27800
👆🏻