Penstemon 'Pensham Dorothy Wilson' (Pensham Series)

Grow in fertile, well-drained soil in full sun or partial shade. In cold areas, protect plants overwinter with a dry mulch. See penstemon cultivation

Deadhead regularly or, after flowering, shorten flowered stems by half to encourage further flowering. Cut back to just above new shoots, or lowest healthy leaves, in spring after frost has passed

Propagate by softwood cuttings in early summer, semi-hardwood cuttings in midsummer, or by division in spring

May be attacked by slugs, snails and chrysanthemum eelworms

May be subject to powdery mildews