Pinching out the shoots of a herbaceous perennial in early summer to encourage bushy growth. The so called ‘Chelsea Chop’

Pinching out the shoots of a herbaceous perennial in early summer to encourage bushy growth. The so called 'Chelsea Chop'

Pinching out the shoots of a herbaceous perennial in early summer to encourage bushy growth. The so called ‘Chelsea Chop’ – © Rice/Buckland/GAP Photos