Life Span
Perennial
Perennial
Type
Epiphyte
Flowering Plants, Herbs
Origin
Southeastern United States, Latin America and the Caribbean, Caribbean, Central America, South America
Asia, Europe, North America
Types
-
A. millefolium chitralensis, Achillea millefolium occidentalis, Achillea millefolium puberula
Habitat
Swamps
Along Railroads, countryside, meadows, Pastures, Roadsides, Waste areas
USDA Hardiness Zone
10-13
2-9
Sunset Zone
H1, H2, 23, 24
1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11
Flower Color
White, Burgundy, Dark Red, Light Green, Violet, Dark Salmon
Pink, Red, Yellow
Flower Color Modifier
Multi-Color
-
Leaf Color in Spring
Green
Light Green
Leaf Color in Summer
Green
Dark Green
Leaf Color in Fall
Green
Green
Leaf Color in Winter
Green
Green
Leaf Shape
Long Linear
Fern like
Plant Season
Spring, Summer, Fall
Summer
Sunlight
Partial Sun, Partial shade
Full Sun
Type of Soil
-
Loam, Sand
The pH of Soil
Neutral, Slightly Acidic
Neutral, Slightly Acidic, Slightly Alkaline
Soil Drainage
Well drained
Well drained
Bloom Time
Late Spring, Early Summer, Summer, Late Summer, Early Fall, Fall, Late Fall
Spring
Where to Plant?
Container, Ground, Pot
Container, Ground
How to Plant?
Bulbs, By dividing rhizomes, tubers, Divison
Divison, Tip cutting
Plant Maintenance
Medium
Medium
Watering Requirements
Average Water Needs, Do Not over Water, Requires regular watering
Needs less watering
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil pH
Neutral, Slightly Acidic
Neutral, Slightly Acidic, Slightly Alkaline
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Partial Sun, Partial shade
Full Sun
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
cut main flower spike, Remove dead flowers, Remove dead or diseased plant parts
Fertilizers
All-Purpose Liquid Fertilizer
No fertilizers needed
Pests and Diseases
Red blotch
Aphids, Powdery mildew, Rust, Stem rot
Plant Tolerance
Drought
Drought
Flower Petal Number
Single
Single
Foliage Texture
Coarse
Medium
Foliage Sheen
Glossy
Matte
Attracts
Bees, pollinators
-
Allergy
-
Skin irritation
Aesthetic Uses
Bouquets, Showy Purposes
Showy Purposes, small hedge
Environmental Uses
Air purification
Air purification
Medicinal Uses
Cancer, Eye Problems
Cold, Cramps, Diarrhea, Dysentry, Fever, Gastrointestinal disorders, Tooth ache
Part of Plant Used
Bulbs, Flowers, Leaves
Flowers
Other Uses
Used as Ornamental plant
Used as Ornamental plant, Used for its medicinal properties
Used As Indoor Plant
Yes
No
Used As Outdoor Plant
Yes
Yes
Garden Design
Container, Feature Plant, Houseplant, Mixed Border
Bedding Plant, Herb, Rock Garden, Wall
Botanical Name
PROSTHECHEA cochleata
Achillea millefolium
Common Name
Clamshell Orchid, Cockleshell Orchid, Black Orchid
Yarrow, common yarrow
In Hindi
Clamshell Orchid
एक प्रकार का पौधा
In German
Clamshell Orchid
Gemeine Schafgarbe
In French
Clamshell Orchid
Millefeuille
In Spanish
Clamshell Orchid
La milenrama
In Greek
Encyclia Cochleata
μυριόφυλλο
In Portuguese
Clamshell Orchid
milefólio
In Polish
Clamshell Orchid
krwawnika
In Latin
Clamshell Orchid
ACHILLEOS
Phylum
Magnoliophyta
Magnoliophyta
Class
Liliopsida
Magnoliopsida
Order
Orchidales
Asterales
Family
Orchidaceae
Asteraceae
Genus
Prosthechea
Achillea
Clade
Angiosperms, Monocots
Angiosperms, Asterids, Eudicots
Subfamily
Epidendroideae
-
Season and Care of Clamshell Orchid and Yarrow
Season and care of Clamshell Orchid and Yarrow is important to know. While considering everything about Clamshell Orchid and Yarrow Care, growing season is an essential factor. Clamshell Orchid season is Spring, Summer and Fall and Yarrow season is Spring, Summer and Fall. The type of soil for Clamshell Orchid is and for Yarrow is Loam, Sand while the PH of soil for Clamshell Orchid is Neutral, Slightly Acidic and for Yarrow is Neutral, Slightly Acidic, Slightly Alkaline.
Clamshell Orchid and Yarrow Physical Information
Clamshell Orchid and Yarrow physical information is very important for comparison. Clamshell Orchid height is 30.50 cm and width 25.60 cm whereas Yarrow height is 20.00 cm and width 35.00 cm. The color specification of Clamshell Orchid and Yarrow are as follows:
Clamshell Orchid flower color: White, Burgundy, Dark Red, Light Green, Violet and Dark Salmon
Clamshell Orchid leaf color: Green
Yarrow flower color: Pink, Red and Yellow
- Yarrow leaf color: Light Green
Care of Clamshell Orchid and Yarrow
Care of Clamshell Orchid and Yarrow include pruning, fertilizers, watering etc. Clamshell Orchid pruning is done Remove damaged leaves, Remove dead branches and Remove dead leaves and Yarrow pruning is done cut main flower spike, Remove dead flowers and Remove dead or diseased plant parts. In summer Clamshell Orchid needs Lots of watering and in winter, it needs Average Water. Whereas, in summer Yarrow needs Lots of watering and in winter, it needs Average Water.