cardinal monkey flower
Erythranthe cardinalis
An upright perennial, often grown as an annual, with creeping rhizomes, bearing 2-lipped scarlet flowers to 5cm in length over a long period in summer
0.5-1 metres
0.1-0.5 metres
Grow in wet, humus-rich soil in full sun or very light dappled shade, can also be planted at pond margins in up to 10cm of water. See pond plants and bog gardens for further advice
Propagate by seed sown in autumn or early spring, or by division in spring
Cut back after flowering
Young plants are susceptible to powdery mildews
