Life Span
Annual and Perennial
Perennial
Type
Flowering Plants, Shrubs
Epiphyte
Origin
World/Pandemic, North America, Europe, Russia/Siberia, China, Korea
Southeastern United States, Latin America and the Caribbean, Caribbean, Central America, South America
Types
Bigleaf hydrangea, Hortensia, Smooth hydrangea, Oakleaf hydrangea, Annabelle
-
Number of Varieties
1003
0
40000
👆🏻
Habitat
Forest edges, Hillside, Woods
Swamps
USDA Hardiness Zone
2-1110-13
0
99
👆🏻
AHS Heat Zone
7 - 1
12-9
Sunset Zone
7, 8, 9, 12, 13, 14, 15, 16, 18, 19, 20, 21, 22, 23, 24
H1, H2, 23, 24
Habit
Upright/Erect
Clump-Forming
Plant Size
Minimum Height
30.00 cm30.50 cm
0
3900
👆🏻
Minimum Width
30.00 cm25.60 cm
0
6350
👆🏻
Plant Color
Flower Color
Blue, Sky Blue, Indigo, Dark Blue
White, Burgundy, Dark Red, Light Green, Violet, Dark Salmon
Flower Color Modifier
Bicolor
Multi-Color
Fruit Color
Brown, Sandy Brown
-
Leaf Color in Spring
Sea Green, Gray Green
Green
Leaf Color in Summer
Sea Green, Gray Green
Green
Leaf Color in Fall
Sea Green, Gray Green
Green
Leaf Color in Winter
Light Green
Green
Shape
Leaf Shape
Oblovate
Long Linear
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall
Spring, Summer, Fall
Growing Conditions
Sunlight
Full Sun, Partial Sun
Partial Sun, Partial shade
Growth Rate
Very Fast
Slow
Type of Soil
Loam, Sand
-
The pH of Soil
Acidic, Neutral, Alkaline
Neutral, Slightly Acidic
Soil Drainage
Well drained
Well drained
Bloom Time
Indeterminate
Late Spring, Early Summer, Summer, Late Summer, Early Fall, Fall, Late Fall
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
-
Where to Plant?
Container, Ground, Pot
Container, Ground, Pot
How to Plant?
Seedlings
Bulbs, By dividing rhizomes, tubers, Divison
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, Do Not over Water, Requires regular watering
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Slightly Acidic
Neutral, Slightly Acidic
Soil Type
Loamy
-
Soil Drainage Capacity
Loamy
Well drained
Sun Exposure
Full Sun
Partial Sun, Partial shade
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
All-Purpose Liquid Fertilizer
Pests and Diseases
Bacterial leaf spot, Botrytis Blight, Leafminers, Mealybugs, Mushroom root rot
Red blotch
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
Coarse
Foliage Sheen
Matte
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Butterflies
Bees, pollinators
Allergy
Chest tightness, Diarrhea, Dizziness, Nausea, Vomiting
-
Uses
Aesthetic Uses
Beautification, Bouquets, Landscape Designing, Showy Purposes
Bouquets, Showy Purposes
Beauty Benefits
-
-
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
Cancer, Eye Problems
Part of Plant Used
Flowers, Root
Bulbs, 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 Ornamental plant
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Container, Herb
Container, Feature Plant, Houseplant, Mixed Border
Botanical Name
CENTAUREA cyanus
PROSTHECHEA cochleata
Common Name
Batchelor's Buttons, Cornflower
Clamshell Orchid, Cockleshell Orchid, Black Orchid
In Hindi
Hydrangea
Clamshell Orchid
In German
Hortensie
Clamshell Orchid
In French
Hortensia
Clamshell Orchid
In Spanish
Hortensia
Clamshell Orchid
In Greek
υδραγεία
Encyclia Cochleata
In Portuguese
Hortênsia
Clamshell Orchid
In Polish
Hortensja
Clamshell Orchid
In Latin
Hibiscus
Clamshell Orchid
Kingdom
Plantae
Plantae
Phylum
Anthophyta
Magnoliophyta
Class
Magnoliopsida
Liliopsida
Order
Asterales
Orchidales
Family
Asteraceae
Orchidaceae
Genus
Centaurea
Prosthechea
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Monocots
Tribe
Cynareae
Epidendreae
Subfamily
Carduoideae
Epidendroideae
Number of Species
25050
1
27800
👆🏻