Digitalis x mertonensis 'Summer King'.
This hybrid perennial foxglove originated in 1926. A winning hybrid of pink D. purpurea and yellow D. grandiflora, 'Summer King' has ample spires of crushed strawberry red flowers, a neat, compact form, and handsome foliage. These biennial plants grow to around 150cm, prefer well drained soil and will grow in full sun to part shade.
Excellent cut flower.
Also know as 'Strawberry'.