How to Prune penstemon 'Pennington Gem'?
Deadhead after flowering to maintain vigour, then cut back to base in winter
penstemon 'Pennington Gem' · Pruning
penstemon 'Pennington Gem' · Penstemon 'Pennington Gem'
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, allowing brief slight drying between soakingsSunlight: Full sun · Partial shadeInformation to be completed