How to Prune commonName:"delphinium 'Schildknappe'"?
Deadhead spent flower spikes back to fresh flowering side shoots and cut back to ground level in late autumn.

commonName:"delphinium 'Schildknappe'" · Delphinium 'Schildknappe'
Grow in fertile, well-drained soil in full sun. Shelter from strong winds and provide support (see staking: perennials). Divide every 2-5 years to maintain vigour. Grow in fertile, well-drained soil in full sun. Shelter from strong winds and provide support (see staking: perennials). Divide every 2-5 years to maintain vigour. See staking: perennials and delphinium cultivation for further advice
Deadhead spent flower spikes back to fresh flowering side shoots and cut back to ground level in late autumn.