penstemon 'Thorn' · Pruning

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

How to Prune penstemon 'Thorn'?

Deadhead after flowering to maintain vigour, then cut back to base in winter