How to Propagate penstemon 'Flame'?
Propagate by softwood cuttings in early summer, semi-hardwood cuttings in midsummer, or by division in spring

penstemon 'Flame' · Penstemon 'Flame'
Grow in fertile, well-drained soil in full sun or partial shade. In cold areas, protect plant over winter with a dry mulch. See penstemon cultivation
Propagate by softwood cuttings in early summer, semi-hardwood cuttings in midsummer, or by division in spring