Penstemon may be deciduous or evergreen perennials or subshrubs, with simple, narrow leaves and racemes or panicles of bell-shaped or funnel-shaped flowers in summer and early autumn
'Hewell Pink Bedder' is a perennial to 80cm in height, with grey-green foliage and narrow panicles of bright reddish-pink, tubular bell-shaped flowers 4.5cm in length, streaked with deep red on the white throat