How to Prune penstemon 'Razzle Dazzle'?
Deadhead after flowering to maintain vigour and prolong flowering, then cut back to 15cm in late winter and early spring
penstemon 'Razzle Dazzle' · Pruning
penstemon 'Razzle Dazzle' · Penstemon 'Razzle Dazzle'
Penstemon cultivation in fertile, well-drained soil in full sun or partial shade. In cold areas, protect plant overwinter with a dry winter mulch
Watering: Moderate watering, avoid winter wet around the crownSunlight: Full sun · Partial shadeInformation to be completed