description Cosmos Overview
Cosmos is a genus of flowering plants, with Cosmos bipinnatus among the best-known cultivated species. This annual species is native to Mexico and has finely divided, fern-like foliage with daisy-shaped flowers commonly appearing in pink, white, or red shades. It is widely grown as a summer garden flower and is also used in wildflower plantings because its open blooms are accessible to pollinating insects.
help Cosmos FAQ
Is cosmos an annual or a perennial?
The common garden cosmos, Cosmos bipinnatus, is a true annual that grows, flowers, and dies in one season. There are perennial relatives, such as chocolate cosmos (Cosmos atrosanguineus), which is grown from tubers.
Does cosmos reseed itself and come back every year?
Yes, bipinnatus cosmos self-sows readily, and gardeners often find volunteer seedlings coming up the following summer. Letting some flowers go to seed at the end of the season keeps the free show going.
Where does the cosmos flower come from originally?
Cosmos bipinnatus is native to Mexico, and it reportedly got its name from Spanish priests in Mexico who found the evenly arranged petals orderly, like the cosmos. It spread widely into cultivation and now naturalizes in many regions.
Why is my cosmos plant all leaves and no flowers?
Cosmos blooms best in full sun with lean, even poor soil; rich soil or heavy fertilizing pushes foliage at the expense of flowers. Keep watering modest too, since the plant tolerates drought and flowers steadily from summer until first frost when treated roughly.
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