rheumatism root

Grow in moist, humus-rich, preferably limey soil in partial or full shade; top dress with leaf mould or other humus-rich material in autumn. Dislikes disturbance and may take a year or two to settle after transplanting

No pruning required

Propagate by seed in containers in an open frame as soon as ripe; divide established plants in autumn, leaving two or three new buds per clump; plants will flower in two to three years

Prone to slugs and snails, especially in spring

Generally disease free