Transplants in a field study had 90% survival after 7 years (Mottl et al. 2006); mature transplants had 80-92% survival after two years, and continued high survival in year 3 (Altricher et al. 2020).

Self-sows (Mottl et al. 2006),

Has moderate seed output, but high vegetative spread (Barkely 1986, Gleason and Cronquist 1991).