How to prune pontederia cordata 'pink pons'

Deadhead throughout summer; hard cutback late autumn post-frost. Cut spent flower spikes to their stem base to promote new buds. After autumn frosts, shear all stems and foliage to 5–10 cm above the waterline or crown. Clear cut material from water to avoid decomposition.

Deadhead every few weeks in summer; hard cutback once annually in autumn. 'Pink Pons' pickerelweed is pruned just like the straight species. Regularly removing faded pink spikes encourages the long summer flowering season this cultivar is selected for. Cut all growth hard back to near the crown in late autumn after frost. Divide congested root masses every 2–3 years in spring to maintain free flowering.

Cut spent flower spikes to their stem base to promote new buds. After autumn frosts, shear all stems and foliage to 5–10 cm above the waterline or crown. Clear cut material from water to avoid decomposition.