How to prune downy phlox

After flowering in late spring to early summer; tidy-up in autumn. Snip spent flower stems back to basal foliage using clean scissors or pruners. Avoid cutting into the low foliage mat. In autumn, cut stems to ground level or leave for seed-eating birds.

Deadhead as needed post-bloom; annual autumn cut-back. Downy Phlox is a low-growing native prairie species that requires minimal pruning. Remove spent flower stems after blooming in spring to keep the plant tidy and prevent excessive self-seeding. Lightly trim back any straggly stems. Cut clumps to the ground in late autumn or leave standing for wildlife.

Snip spent flower stems back to basal foliage using clean scissors or pruners. Avoid cutting into the low foliage mat. In autumn, cut stems to ground level or leave for seed-eating birds.