How to prune cosmos bipinnatus 'picotee'

Continuously through summer; pinch once in early summer when young. Cut spent flowers back to a lateral shoot or leaf node. On young plants, pinch out the main growing tip above the third or fourth leaf pair to encourage multiple stems.

Deadhead weekly; pinch once when plants are young. Cosmos 'Picotee' — known for its crimson-edged white petals — flowers most freely with regular deadheading. Cut spent blooms back to a side shoot to trigger new buds. Pinch growing tips once on young plants to promote branching and prevent the tall, single-stemmed habit cosmos can develop if left unpinched.

Cut spent flowers back to a lateral shoot or leaf node. On young plants, pinch out the main growing tip above the third or fourth leaf pair to encourage multiple stems.