How to Prune penstemon 'Roy Davidson'?
Deadhead after flowering to maintain vigour, then cut back to base in winter
penstemon 'Roy Davidson' · Pruning
penstemon 'Roy Davidson' · Penstemon procerus 'Roy Davidson'
Grow in fertile, well-drained soil in full sun or partial shade. In cold areas, protect plant overwinter with a dry winter mulch
Watering: Moderate regular watering, partial soil drying allowed between soaksSunlight: Full sun · Partial shadeInformation to be completed