Imagine your garden is an opera......which plants ooze charisma, and are happy to be the central character? Which plants work well to support them? Which…
Grow them in a cool moist fertile soil with partial shade, but they will tolerate full sun. They may need staking.
You will need to divide the plants every third year in the autumn or late winter.
Pests, diseases or disorders
What out for aphids and fungal stem rot.