How to Fertilize perennial phlox 'Amethyst'?
Balanced perennial feed every four weeks from spring through summer

perennial phlox 'Amethyst' · Phlox paniculata 'Amethyst'
Grow in fertile, humus-rich, moisture-retentive soil in full sun, and every autumn add a thick mulch of organic material to help preserve soil moisture
Balanced perennial feed every four weeks from spring through summer