Life Span
Perennial
Annual and Perennial
Type
Tender Perennial
Flowering Plants, Shrubs
Origin
Japan
World/Pandemic, North America, Europe, Russia/Siberia, China, Korea
Types
Spathoglottis plicata
Bigleaf hydrangea, Hortensia, Smooth hydrangea, Oakleaf hydrangea, Annabelle
Number of Varieties
5100
0
40000
👆🏻
Habitat
Temperate Regions
Forest edges, Hillside, Woods
USDA Hardiness Zone
7-92-11
0
99
👆🏻
AHS Heat Zone
9-1
7 - 1
Sunset Zone
H1, 7, 8, 9, 14, 15, 16, 17, 19, 20, 21, 22, 23, 24
7, 8, 9, 12, 13, 14, 15, 16, 18, 19, 20, 21, 22, 23, 24
Habit
Clump-Forming
Upright/Erect
Plant Size
Minimum Height
25.40 cm30.00 cm
0
3900
👆🏻
Minimum Width
30.50 cm30.00 cm
0
6350
👆🏻
Plant Color
Flower Color
White, Dark Red
Blue, Sky Blue, Indigo, Dark Blue
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Light Green, Tan
Brown, Sandy Brown
Leaf Color in Spring
Light Green
Sea Green, Gray Green
Leaf Color in Summer
Green, Light Green
Sea Green, Gray Green
Leaf Color in Fall
Green, Light Green
Sea Green, Gray Green
Leaf Color in Winter
Light Green
Light Green
Shape
Leaf Shape
Long linear and narrow
Oblovate
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer
Spring, Summer, Fall
Growing Conditions
Sunlight
Partial Sun, Partial shade
Full Sun, Partial Sun
Growth Rate
Slow
Very Fast
Type of Soil
Loam, Sand
Loam, Sand
The pH of Soil
Acidic, Neutral
Acidic, Neutral, Alkaline
Soil Drainage
Well drained
Well drained
Bloom Time
Spring, Late Spring, Early Summer
Indeterminate
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Drought
Where to Plant?
Ground
Container, Ground, Pot
How to Plant?
From bulbs
Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Requires regular watering
Keep ground moist, Requires a lot of watering, 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
Slightly Acidic
Soil Type
Loam, Sand
Loamy
Soil Drainage Capacity
Well drained
Loamy
Sun Exposure
Partial Sun, Partial shade
Full Sun
Pruning
cut main flower spike, Prune after flowering, Remove damaged leaves, Remove dead branches, Remove dead leaves
Prune to control growth, Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer, Compost
Compost
Pests and Diseases
Crown rot
Bacterial leaf spot, Botrytis Blight, Leafminers, Mealybugs, Mushroom root rot
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
Coarse
Medium
Foliage Sheen
Matte
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Butterflies, Hummingbirds, pollinators
Butterflies
Allergy
-
Chest tightness, Diarrhea, Dizziness, Nausea, Vomiting
Uses
Aesthetic Uses
along a porch, deck or patio, Bonsai, Bouquets, Showy Purposes
Beautification, Bouquets, Landscape Designing, Showy Purposes
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification, Food for insects, Indoor Air Purification, Prevent Soil Erosion, Very little waste
Plant Benefits
Medicinal Uses
-
Fever, Kidney problems, Urinary tract problems
Part of Plant Used
-
Flowers, Root
Other Uses
Cut Flowers, Decoration Purposes
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 Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Container, Feature Plant, Groundcover, Mixed Border, Rock Garden / Wall, Wildflower
Container, Herb
Botanical Name
CALANTHE discolor
CENTAUREA cyanus
Common Name
Ground Orchid, Japanese Hardy Calanthe Orchid
Batchelor's Buttons, Cornflower
In Hindi
Ground Orchid
Hydrangea
In German
Ground Orchid
Hortensie
In French
Ground Orchid
Hortensia
In Spanish
Ground Orchid
Hortensia
In Greek
Ground Orchid
υδραγεία
In Portuguese
Ground Orchid
Hortênsia
In Polish
Ground Orchid
Hortensja
In Latin
Ground Orchid
Hibiscus
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Anthophyta
Class
Liliopsida
Magnoliopsida
Order
Asparagales
Asterales
Family
Orchidaceae
Asteraceae
Genus
Bletilla
Centaurea
Clade
Angiosperms, Monocots
Angiosperms, Asterids, Eudicots
Tribe
Arethuseae
Cynareae
Subfamily
Epidendroideae
Carduoideae
Number of Species
5250
1
27800
👆🏻