How to prune helianthus × multiflorus 'loddon gold'

Deadhead through summer; cut back to ground in autumn after frost or early spring before new growth. Deadhead individual flowers as they fade by cutting back to the next lateral bud. In late autumn, cut all stems to within a few centimetres of the ground. Apply Chelsea Chop (cut stems by half) in late May to reduce plant height and staggered flowering.

Deadhead weekly through summer; cut back annually in autumn or early spring. Yes, this double-flowered perennial sunflower benefits from deadheading to extend blooming and a hard cut-back in autumn or early spring to keep clumps tidy. Chelsea Chop in late May reduces height and prevents flopping. Cut spent stems to ground level after the first frosts to encourage strong regrowth next season.

Deadhead individual flowers as they fade by cutting back to the next lateral bud. In late autumn, cut all stems to within a few centimetres of the ground. Apply Chelsea Chop (cut stems by half) in late May to reduce plant height and staggered flowering.