Plant cosmos in an area with well-draining soil that receives full sun. Scatter seeds over the soil. Lightly rake the seeds into the soil so they are about 1/16 to 1/8 inch deep. Sprinkle a light ...

Collecting seed is a good way to increase for free the ... in-a-mist (Nigella damascena); aquilegia (columbine); astrantia; cosmos; scabious; zinnia, and pimpinella. There are various types ...