How to prune small-flowered pickerelweed

Early spring before new growth; deadhead spent flower spikes through summer. Cut back old overwintered stems to about 10 cm above the crown in early spring; pinch or snip spent flower spikes back to the stem base during the growing season.

Annually in early spring; deadhead as needed through summer. Pontederia parviflora, like other pickerelweeds, needs minimal pruning. Remove spent flower spikes after blooming to reduce self-seeding and tidy the plant. Cut back old foliage in early spring to around 10 cm above the crown. Avoid pruning after early autumn as new tender growth is susceptible to frost damage.

Cut back old overwintered stems to about 10 cm above the crown in early spring; pinch or snip spent flower spikes back to the stem base during the growing season.