How to Prune knotweed 'Silver Dragon'?
Cut back old, flowered stems to the ground in autumn
knotweed 'Silver Dragon' · Pruning
knotweed 'Silver Dragon' · Persicaria 'Silver Dragon'
Grows in any well-drained soil, in full sun to partial shade
Watering: Moderate regular watering, allowing brief slight drying between soakingsSunlight: Full sun · Partial shadeInformation to be completed