This is a fascinating article published by Friends of the Earth which gives all gardeners food for thought!…
Choose a well-sheltered partially shaded spot. Well-drained, always moist, peaty (or equivalent) soil.
Sow the seeds in the summer or by root semi-ripe cuttings in the summer.
Pests, diseases or disorders
Watch out for red spider mites and whitefly under glass, also slugs can cause a lot of damage.