Description

Cosmos ‘Double Dutch Rose Bon Bon’ are annual plants up to 120cm tall. The flowers are semi-double to double in shades of pink.Cosmos like warm, sunny positions in the garden. Once established, they will survive in mild drought-like conditions, but prefer regular deep watering. Ensure the soil is well drained and rich with organic matter. Cosmos usually self-seed freely.Pinch out the growing tip of cosmos plants when they are about 30cm tall. This will make them produce side-shoots, making the plant bushier and encourage more flowers.HARVESTING SEEDSCosmos are one of the easiest plants from which to collect seed. As the flowers die, they will produce round heads of black seeds. Cut them off and leave in a paper bag to dry for two weeks before cleaning and storing.