Penstemon 'Rich Ruby'
Large deep purplish red flowers, shaped like foxgloves are carried on stiff stems above long, mid green leaves. Forms a dense clump that flowers continuously all summer.
Flowering months: June to September
Planting position: Sun
Height x spread: 60cm x 45cm
Easy to grow. Cut old stems back in spring. Can be tender, like all penstemons in cold areas in northern Britain.