prairie mallow 'William Smith'

Best grown in moderately fertile, humus-rich, moist but well-drained, light, sandy, neutral to slightly acid soil in full sun; will tolerate other soils but resents waterlogging. Provide a dry mulch of bracken or straw during cold winters

Cut stems back hard after flowering to encourage further flowers and to prevent self-seeding

Propagate by division in autumn or spring

Slugs may be a problem

May be subject to a rust