RHS Herbaceous Perennial
Position
Full sun, Partial shade
Soil Types
Chalk, Clay, Loam, Sand
Max Height
0.1-0.5 metres
Max Spread
0.1-0.5 metres
RHS 0.1-0.5 metres
0.1-0.5 metres
Grow in fertile, moist but well-drained soil in sun or partial shade. Avoid areas that are waterlogged over winter. Divide every three years or so to maintain vigour
Propagate by division in autumn or spring
deadhead to promote more blooms, and cut back old stems after flowering
May be susceptible to leaf miners and geum sawfly
May be susceptible to Powdery mildews
The new app packed with trusted gardening know-how
Download app