The other day, while sorting out some old papers, I found an article in a gardening magazine from ten years ago, listing the three major changes we should…
Cultivation
They are frost hardy, but need shelter from winds in the summer and can be covered with bracken or compost in the winter. They will require a sunny position with moist soil.
Propagation
You can propagate by seeds in the autumn or spring, and the small species by division in the spring.
Pests, diseases or disorders
Protect from slugs and snails.