How to prune rudbeckia 'goldsturm'

Deadhead through summer; cutdown in late autumn or early spring. Remove spent blooms at the stem base during the season. In late autumn, cut all stems down to 3–4 inches above ground. Divide crowded clumps in early spring by lifting and splitting with two forks.

Deadhead regularly in season; annual cutdown; divide every 3–4 years. Rudbeckia 'Goldsturm' blooms from midsummer into autumn. Deadheading spent flowers prolongs blooming, though leaving seed heads in late autumn provides winter interest and bird food. Cut the whole plant back to a few inches above ground in late autumn or early spring. Divide congested clumps every 3–4 years in spring.

Remove spent blooms at the stem base during the season. In late autumn, cut all stems down to 3–4 inches above ground. Divide crowded clumps in early spring by lifting and splitting with two forks.