Penstemon Garnet 08-01-2019DianeComments are closed Like most penstemons, Snowstorm is an excellent garden plant. It is easy to grow, attractive for most of the year and flowers generously. Native bees and birds love it. Perennial with wine red tubular flowers with. Category: Penstemon Related products Penstemon Snowstorm Penstemon Evelyn Penstemon Blackbird Penstemon Hidcote