How to prune grey-headed coneflower

Deadhead mid-summer to early autumn; cut back in late autumn if desired. Remove spent flower heads by cutting the stem to a lateral bud. For the autumn cut-back, use loppers to reduce stems to 10–15 cm above the ground. Divide congested clumps every 3–4 years in spring to maintain vigour.

Deadhead as needed in season; optional annual autumn cut-back. Grey-Headed Coneflower is a tall native prairie perennial. Deadhead spent flowers during the season to extend bloom and reduce aggressive self-seeding. In late autumn, you can cut stems to 10–15 cm, or leave the distinctive grey seedheads standing through winter to provide food for finches and visual interest.

Remove spent flower heads by cutting the stem to a lateral bud. For the autumn cut-back, use loppers to reduce stems to 10–15 cm above the ground. Divide congested clumps every 3–4 years in spring to maintain vigour.