There is , or at least was 3 years ago, a large expanse, of this growing in Rome Botanical Garden. This inspired me to try it in a shady spot in my garden. First in a pot but I planted a cutting out 2 years ago. Last winter was bitterly cold for about a week (-7°C at night and around 0°C in the daytime) but the plant survived. This winter has been much milder and, at times, very wet and the plant is thriving and already in flower. I have watered it over the summer months but not every day.
