Life Span
Perennial
Annual
Type
Epiphyte
Flowering Plants
Origin
Southeastern United States, Latin America and the Caribbean, Caribbean, Central America, South America
North America
Types
Not Available
Helianthus annuus, Heliantheae,
Number of Varieties
Not Available
Habitat
Swamps
Dry areas, Open areas, Prairies
USDA Hardiness Zone
10-13
3-10
Sunset Zone
H1, H2, 23, 24
A1, A2, A3, H1, H2, 1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Clump-Forming
Upright/Erect
Flower Color
White, Burgundy, Dark Red, Light Green, Violet, Dark Salmon
Brown, Yellow
Flower Color Modifier
Multi-Color
Bicolor
Fruit Color
Not Available
Black, Chocolate, Ivory
Leaf Color in Spring
Green
Dark Green, Green
Leaf Color in Summer
Green
Green
Leaf Color in Fall
Green
Green
Leaf Color in Winter
Green
Not Available
Leaf Shape
Long Linear
Oval
Plant Season
Spring, Summer, Fall
Summer
Sunlight
Partial Sun, Partial shade
Bright direct sunlight
Growth Rate
Slow
Very Fast
Type of Soil
Not Available
Dry, Light, Well drained
The pH of Soil
Neutral, Slightly Acidic
Acidic, Alkaline
Soil Drainage
Well drained
Well drained
Bloom Time
Late Spring, Early Summer, Summer, Late Summer, Early Fall, Fall, Late Fall
Early Fall, Early Summer, Fall, Late Spring, Late Summer, Summer
Tolerances
Not Available
Not Available
Where to Plant?
Container, Ground, Pot
Container, Ground, Pot
How to Plant?
Bulbs, By dividing rhizomes, tubers, Divison
Seedlings
Plant Maintenance
Medium
Medium
Watering Requirements
Average Water Needs, Do Not over Water, Requires regular watering
Keep the ground moist but not water-logged, 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 pH
Neutral, Slightly Acidic
Acidic, Alkaline
Soil Type
Not Available
Dry, Light, Well drained
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Partial Sun, Partial shade
Bright direct sunlight
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
Prune ocassionally, Requires little pruning
Fertilizers
All-Purpose Liquid Fertilizer
All-Purpose Liquid Fertilizer
Pests and Diseases
Red blotch
Alternaria leaf blight, Apical chlorosis, Bacteria wilt, Bacterial leaf spot, Botrytis head rot, Charcoal rot, Crown gall, Downy mildew, Erwinia stalk rot, Fusarium stalk rot, Fusarium wilt, head rot, Phialophora yellows, Stem spot
Plant Tolerance
Drought
Drought
Flower Petal Number
Single
Single
Foliage Texture
Coarse
Coarse
Foliage Sheen
Glossy
Matte
Attracts
Bees, pollinators
Birds, Butterflies
Allergy
no allergic reactions
Runny nose, Red eyes, Watery eyes, Sore eyes, Itchy eyes
Aesthetic Uses
Bouquets, Showy Purposes
Beautification, Bouquets, Showy Purposes, Used for decorating walls, fences, gates, hedges, etc.
Beauty Benefits
Not Available
Not Available
Environmental Uses
Air purification
Air purification
Medicinal Uses
Cancer, Eye Problems
Pulmonary afflictions
Part of Plant Used
Bulbs, Flowers, Leaves
Flowers, Seeds, Stem
Other Uses
Used as Ornamental plant
As Fertilizers, Economic Purpose, Oil is used in perfume, soaps, creams, etc., Showy Purposes, Used As Food, Used as Ornamental plant, Used for producing cooking oil
Used As Indoor Plant
Yes
Yes
Used As Outdoor Plant
Yes
Yes
Garden Design
Container, Feature Plant, Houseplant, Mixed Border
Bedding Plant, Bonsai, Container, Edging, Edible, Feature Plant, Houseplant, Vegetable
Botanical Name
PROSTHECHEA cochleata
Helianths Annuus
Common Name
Clamshell Orchid, Cockleshell Orchid, Black Orchid
Sunflower
In Hindi
Clamshell Orchid
Sūrajamukhī
In German
Clamshell Orchid
Sonnenblume
In French
Clamshell Orchid
Tournesol
In Spanish
Clamshell Orchid
Girasol
In Greek
Encyclia Cochleata
ηλιοτρόπιο
In Portuguese
Clamshell Orchid
Girassol
In Polish
Clamshell Orchid
słonecznik
In Latin
Clamshell Orchid
Helianthus
Phylum
Magnoliophyta
Magnoliophyta
Class
Liliopsida
Magnoliopsida
Order
Orchidales
Asterales
Family
Orchidaceae
Asteraceae
Genus
Prosthechea
Heilanthus
Clade
Angiosperms, Monocots
Not Available
Tribe
Epidendreae
Heliantheae
Subfamily
Epidendroideae
Helianthodeae
Number of Species
Not Available
Season and Care of Clamshell Orchid and Sunflower
Season and care of Clamshell Orchid and Sunflower is important to know. While considering everything about Clamshell Orchid and Sunflower Care, growing season is an essential factor. Clamshell Orchid season is Spring, Summer and Fall and Sunflower season is Spring, Summer and Fall. The type of soil for Clamshell Orchid is Not Available and for Sunflower is Dry, Light, Well drained while the PH of soil for Clamshell Orchid is Neutral, Slightly Acidic and for Sunflower is Acidic, Alkaline.
Clamshell Orchid and Sunflower Physical Information
Clamshell Orchid and Sunflower physical information is very important for comparison. Clamshell Orchid height is 30.50 cm and width 25.60 cm whereas Sunflower height is 8.50 cm and width 2.46 cm. The color specification of Clamshell Orchid and Sunflower are as follows:
Clamshell Orchid flower color: White, Burgundy, Dark Red, Light Green, Violet and Dark Salmon
Clamshell Orchid leaf color: Green
Sunflower flower color: Brown and Yellow
- Sunflower leaf color: Dark Green and Green
Care of Clamshell Orchid and Sunflower
Care of Clamshell Orchid and Sunflower include pruning, fertilizers, watering etc. Clamshell Orchid pruning is done Remove damaged leaves, Remove dead branches and Remove dead leaves and Sunflower pruning is done Prune ocassionally and Requires little pruning. In summer Clamshell Orchid needs Lots of watering and in winter, it needs Average Water. Whereas, in summer Sunflower needs Lots of watering and in winter, it needs Average Water.