How to prune persicaria amplexicaulis 'alba'

Late autumn after frost blackens foliage, or early spring before new growth emerges. Cut all stems back hard to 5–10 cm above ground level using secateurs or shears. No in-season pruning is necessary; simply remove any broken or flopped stems if needed.

Once annually (hard cutback); tidy as needed during the growing season. Persicaria amplexicaulis 'Alba' is a vigorous, clump-forming perennial that needs minimal pruning. Cut it back to near ground level in late autumn or early spring to clear old stems. No deadheading is required as it flowers almost continuously summer to frost, but removing tatty stems tidies the plant.

Cut all stems back hard to 5–10 cm above ground level using secateurs or shears. No in-season pruning is necessary; simply remove any broken or flopped stems if needed.