penstemon 'Raven' · Fertilizing

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 Fertilize penstemon 'Raven'?

Balanced perennial feed every four weeks spring through summer growth