blue pimpernel 'Gentian Blue'

Under glass grow in gritty, loam-based potting compost (John Innes No.1) in full light; outdoors grow in moderately fertile, well-drained soil in full sun and overwinter young plants in a cool greenhouse - plant out after the risk of frost has passed

Cut back after flowering

Propagate by softwood tip cuttings in spring or early summer; may be short-lived so propagate regularly

May be susceptible to aphids

Generally disease-free