penstemon 'Raven' · Pruning

Grow in fertile, well-drained soil in full sun or partial shade. In cold areas, protect plant overwinter with dry winter mulch

Watering: Moderate regular watering, avoid prolonged drought and stagnant waterloggingSunlight: Full sun · Partial shadeInformation to be completed

How to Prune penstemon 'Raven'?

Deadhead after flowering to maintain vigour. Then cut back to base in early spring