How to Fertilize penstemon 'Rich Ruby'?
Balanced perennial feed every four weeks from spring through summer
penstemon 'Rich Ruby' · Fertilizing
penstemon 'Rich Ruby' · Penstemon 'Rich Ruby'
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