How to Prune sweet pea 'Eclipse'?
For a long and regular supply of blooms, cut flowers frequently, before they produce seed pods

sweet pea 'Eclipse' · Lathyrus odoratus 'Eclipse'
Plant out seedlings 20-30cm apart after the final spring frost in well-drained but moisture-retentive humus-rich soil in full sun or very light dappled shade, and provide support. See sweetpea cultivation
For a long and regular supply of blooms, cut flowers frequently, before they produce seed pods