How to prune green arrow arum

Deadhead after flowering in summer; cut back frosted or dying foliage in late autumn. Cut flower stems and individual petioles cleanly at the base with scissors or pruners. In autumn, cut all growth back to the crown at or just below the waterline if the plant is in a protected pond or container.

Deadhead as needed; annual tidy-up in late autumn. Green Arrow Arum is a low-maintenance marginal pond plant. Remove spent flower spathes once they fade and cut back yellowing or frost-damaged leaves at the petiole base. In colder climates, cut all foliage to the crown in late autumn. No shaping or hard pruning is needed under normal conditions.

Cut flower stems and individual petioles cleanly at the base with scissors or pruners. In autumn, cut all growth back to the crown at or just below the waterline if the plant is in a protected pond or container.