How to Propagate penstemon 'Blackbird'?
Propagate by softwood cuttings in early summer or semi-hardwood cuttings in midsummer. Propagate by division in spring
penstemon 'Blackbird' · Propagation
penstemon 'Blackbird' · Penstemon 'Blackbird'
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, avoid prolonged drought and stagnant waterloggingSunlight: Full sun · Partial shadeInformation to be completed