Primula reidii var. williamsii (So)

Grow in deep or partial shade in peaty, gritty, moist but very well-drained soil, protected from excessive winter wet, or grow in an alpine house or cold frame in a mix of equal parts loam-based potting compost, leaf mould, peat or peat substitute and grit

Cut back after flowering

Propagate by division in spring or by seed sown from autumn to spring

May be attacked by aphids, vine weevil, leafhoppers, slugs and glasshouse red spider mite

May be affected by viruses, grey mould and primula leaf spot