Cosmos is a very useful annual for garnishing flowerbeds in the summer. Its flower heads bloom from July onwards.

Flowering continues until October. This plant can also be grown in a border or in a planter.

Cosmos in a garden

To have beautiful cosmos in summer, you must sow the  seeds  in the ground and in their final locations in April. This ornamental plant appreciates sunny exposures protected from strong winds. The cosmos has no particular requirements in terms of the nature and composition of soil.

There are many species of cosmos. The most popular are Cosmos bipinnatus (red or white rose flowers), Race Sonata (dwarf species), Race Sensation (which can exceed one meter) or even Cosmos sulphureus (small yellow, orange or red flowers).

Trick

Cosmos in pots

It is possible to resow cosmos the year after their cultivation. You simply have to save their seeds after flowering and sow them the following April. Indeed, cosmos seeds germinate spontaneously over the years.