The family of sunflowers, Daisies and Asters and more than 20 species of annual and perennial plants in the Asteraceae are included in the genus cosmos. Also, Cosmos bipinnatus (Mexican Aster), Cosmos sulphureus (Yellow Cosmos) and Cosmos atrosanguineus (Chocolate Cosmos) are included in this genus.

The cosmos flower is part of the kingdom plantae, division Magnoliophyta, class Magnoliopsida, order Asterales, family Asteraceae, tribe Heliantheae and genus Cosmos.

Cosmos flowers are very colorful and have 2 to 4 inches in diameter. You can find single or double colored flowers which include the following palette: white, pink, orange, yellow and scarlet colors.


The cosmos flower is a herbaceous perennial flowering plant that grows to 3 to 6 feet tall. Its leaves can be simple, pinnate or bipinnate and are arranged in opposite pairs. The flowers’ name comes from the Greek cosmos which signifies a balanced universe. The cosmos flower blooms heavily twice a year but dies when the frost is coming. If the seeds are falling down on the ground you can be surprised in the spring by the appearance of a new cosmos flower.

You can grow quick and easily this flower in any region because the cosmos seeds are the easiest seeds to grow in the entire world.

When you plant them leave 12 inches between the cosmos plants. The soil should be freshly turned bare before you spread the seeds. The only thing you have to do is to press the seed into the ground and don’t cover it.

The cosmos seeds will germinate quickly. Your cosmos plants will grow to 4 or 5 feet in a season. The cosmos flower is usually an annual flower but there are some perennial varieties too. This type of cosmos flower has rhizomes and you can propagate it by division.

When it comes for the caring of the cosmos flowers you should you should take off regularly all the dead flowers to keep the cosmos plant bloom for many weeks. If you over fertilize it or over water it you will reduce the flower production for sure. Even if this plant is drought tolerant you should water it consistently during a very long and hot period. When the cosmos plant dies after the first frost you can take it and keep only the compost that will represent the mulch of the soil and will fertilize it for the next year plants.

Cosmos Pictures Gallery

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