Pink Cosmos, also called as "Garden Cosmos" plant is a small herbaceous plant native to mexico and America and  introduced plant to Sri Lanka. It is a popular garden plant in Sri Lanka that can grow in any region of the country with any climate. The flowers are dense bloom when the sunny weather with low rainfall. Because of Lateral branch arise from close to the ground level to over the shrub, will make a beautiful inflorescence. Easy and common methods of propagating the Cosmos is by seed that collecting from the dried flowers.
Cosmos flowers are closely related to the Marigold flowers.

Common Classification
Common Names	Cosmos, Garden Cosmos
Scientific Name	Cosmos bipinnatus
Sinhalese Name	Ata pethiya (In Sinhalese also called to  Tagetes lemmonii Merigold Flower)
Scientific Classification
Family	Asteraceae
Genus	Cosmos
Species	C. bipinnatus
Synonym	Cosmos hybridus, Cosmea tenifolia , Cosmos  var. rosea
Ecology
Category	Ornamental
Growth Habit	Small -Shrub	Status - Native	Introduced
Duration	Perennial	Status (Controlling)	Cultivate
Propriety
Culinary / Edible	No	Other use	n/a
Use as Herb	No	Poisoned / Toxin	No
Identification
Garden Cosmos Flowers		Cosmos Leaves
Fruits