How to Propagate Mexican petunia?
Propagate by seed, sown at 13-18°C in spring, or by softwood cuttings in late spring or early summer

Mexican petunia · Strobilanthes attenuata
Grow in light, fertile, well-drained soil that does not dry out in summer, in full sun or part shade. May benefit from a winter mulch in colder areas
Propagate by seed, sown at 13-18°C in spring, or by softwood cuttings in late spring or early summer