About
A tall, clump-forming perennial to 2m with large, lance-shaped green leaves and strong, upright stems producing plumes of small, intensely aromatic, creamy-white flowers over a long period in summer, followed by pinkish-red seed heads. Suitable for the back of a flower border. Holds well without the need for staking.
About the genus
A genus of annual or clump-forming perennial plants with terminal or axillary inflorescences carried on upright stems. Flowers are small, pale-coloured usually white or pink. Seeds are borne in achenes
Growing conditions
SunlightFull sun, Partial shade
Soil typeClay, Loam
Soil pHAcid, Alkaline, Neutral
Soil moistureMoist but well-drained, Poorly-drained
AspectEast-facing, North-facing, South-facing, West-facing
ExposureExposed, Sheltered
UK hardinessH6
Plant details
Plant typeHerbaceous Perennial
HabitClump forming
FoliageDeciduous
Height1.5-2.5 metres
Spread1-1.5 metres
Time to full height2-5 years
Suggested usesArchitectural, Cottage and informal garden
FragranceFlower
Care notes
CultivationGrow in any moist soil in full sun or partial shade. Substantial mounds of foliage steadily increase in size, needing space and careful siting See for further information about RHS plant trials and awards
PruningNo pruning required. Cut back after flowering
PropagationPropagate by division in spring or autumn or propagate by seed in spring
Pest resistanceGenerally pest-free
Disease resistanceGenerally disease-free