Life Span
Annual and Perennial
Perennial
Type
Tender Perennial
Epiphyte
Origin
Southern Europe, Mediterranean
Southeastern United States, Latin America and the Caribbean, Caribbean, Central America, South America
Types
Silver Lace, Cirrus
Not Available
Number of Varieties
Not Available
Habitat
Coastal Regions, Warmer regions
Swamps
USDA Hardiness Zone
7-11
10-13
Sunset Zone
H1, H2, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
H1, H2, 23, 24
Habit
Cushion/Mound-forming
Clump-Forming
Flower Color
White, Yellow, Purple
White, Burgundy, Dark Red, Light Green, Violet, Dark Salmon
Flower Color Modifier
Bicolor
Multi-Color
Fruit Color
Tan
Not Available
Leaf Color in Spring
Blue Green, Silver
Green
Leaf Color in Summer
Blue Green, Silver
Green
Leaf Color in Fall
Blue Green, Silver
Green
Leaf Color in Winter
Light Green
Green
Leaf Shape
Irregular
Long Linear
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall
Sunlight
Full Sun
Partial Sun, Partial shade
Type of Soil
Clay, Loam, Sand
Not Available
The pH of Soil
Acidic, Neutral, Alkaline
Neutral, Slightly Acidic
Soil Drainage
Well drained
Well drained
Bloom Time
Early Summer, Summer, Late Summer
Late Spring, Early Summer, Summer, Late Summer, Early Fall, Fall, Late Fall
Tolerances
Drought
Not Available
Where to Plant?
Container, Ground
Container, Ground, Pot
How to Plant?
Seedlings, Stem Planting
Bulbs, By dividing rhizomes, tubers, Divison
Plant Maintenance
Medium
Medium
Watering Requirements
Do Not over Water, Never Over-water, Requires regular watering, Requires watering in the growing season, Water Deeply
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 pH
Acidic, Neutral, Alkaline
Neutral, Slightly Acidic
Soil Type
Clay, Loam, Sand
Not Available
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Full Sun
Partial Sun, Partial shade
Pruning
Remove dead leaves, Remove deadheads
Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
fertilize every 2-3 weeks while growing, Nitrogen, Phosphorous, Potassium
All-Purpose Liquid Fertilizer
Pests and Diseases
Blight, Downy mildew, Powdery mildew, Red blotch, Rust, White mold
Red blotch
Plant Tolerance
Drought
Drought
Flowers
Insignificant
Showy
Flower Petal Number
Single
Single
Foliage Texture
Medium
Coarse
Foliage Sheen
Matte
Glossy
Attracts
Flying insects, Insects
Bees, pollinators
Allergy
Avoid during Pregnancy, Skin irritation, Skin rash, Toxic
no allergic reactions
Aesthetic Uses
Showy Purposes
Bouquets, Showy Purposes
Beauty Benefits
No Beauty Benefits
Not Available
Environmental Uses
Air purification, Food for insects, Prevent Soil Erosion
Air purification
Medicinal Uses
Headache, Menstrual Disorders, Migraines
Cancer, Eye Problems
Part of Plant Used
Leaves
Bulbs, Flowers, Leaves
Other Uses
Employed in herbal medicine, Showy Purposes, Used as Ornamental plant, Used for its medicinal properties
Used as Ornamental plant
Used As Indoor Plant
Yes
Yes
Used As Outdoor Plant
Yes
Yes
Garden Design
Bedding Plant, Container, Cutflower, Edging, Mixed Border, Rock Garden / Wall
Container, Feature Plant, Houseplant, Mixed Border
Botanical Name
CENTAUREA cineraria
PROSTHECHEA cochleata
Common Name
Silver dust
Clamshell Orchid, Cockleshell Orchid, Black Orchid
In Hindi
डस्टी मिलर
Clamshell Orchid
In German
Dusty Miller
Clamshell Orchid
In French
Dusty Miller
Clamshell Orchid
In Spanish
Dusty Miller
Clamshell Orchid
In Greek
Dusty Miller
Encyclia Cochleata
In Portuguese
Dusty Miller
Clamshell Orchid
In Polish
Dusty Miller
Clamshell Orchid
In Latin
Dusty Cicero
Clamshell Orchid
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
Not Available
Not Available
Season and Care of Dusty Miller and Clamshell Orchid
Season and care of Dusty Miller and Clamshell Orchid is important to know. While considering everything about Dusty Miller and Clamshell Orchid Care, growing season is an essential factor. Dusty Miller season is Spring, Summer, Fall and Winter and Clamshell Orchid season is Spring, Summer, Fall and Winter. The type of soil for Dusty Miller is Clay, Loam, Sand and for Clamshell Orchid is Not Available while the PH of soil for Dusty Miller is Acidic, Neutral, Alkaline and for Clamshell Orchid is Neutral, Slightly Acidic.
Dusty Miller and Clamshell Orchid Physical Information
Dusty Miller and Clamshell Orchid physical information is very important for comparison. Dusty Miller height is 20.30 cm and width 30.50 cm whereas Clamshell Orchid height is 30.50 cm and width 25.60 cm. The color specification of Dusty Miller and Clamshell Orchid are as follows:
Dusty Miller flower color: White, Yellow and Purple
Dusty Miller leaf color: Blue Green and Silver
Clamshell Orchid flower color: White, Burgundy, Dark Red, Light Green, Violet and Dark Salmon
- Clamshell Orchid leaf color: Green
Care of Dusty Miller and Clamshell Orchid
Care of Dusty Miller and Clamshell Orchid include pruning, fertilizers, watering etc. Dusty Miller pruning is done Remove dead leaves and Remove deadheads and Clamshell Orchid pruning is done Remove damaged leaves, Remove dead branches and Remove dead leaves. In summer Dusty Miller needs Lots of watering and in winter, it needs Average Water. Whereas, in summer Clamshell Orchid needs Lots of watering and in winter, it needs Average Water.