About
A tall, clump-forming semi-evergreen perennial to 1.5 with large, willowherb-like lance-shaped fine green leaves which turn to brown-orange in august, and strong stems bearing plumes of small, airy, delicately perfumed creamy-white flowers which flower over a long period in summer, followed by pinkish-red seed heads in late summer. 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
AspectNorth-facing, West-facing, East-facing, South-facing
ExposureExposed, Sheltered
UK hardinessH6
Plant details
Plant typeHerbaceous Perennial
HabitClump forming
FoliageSemi evergreen
Height1.5-2.5 metres
Spread1-1.5 metres
Time to full height2-5 years
Suggested usesCity and courtyard gardens, Cottage and informal garden, Prairie planting, Rock garden, Gravel garden
Native toEurasia
FragranceFlower
ToxicityContact with all parts may irritate skin, the sap may cause mild stomach upset if ingested. Wear gloves and other protective equipment when handling
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
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