25
Penstemon 'Sour Grapes' is one of the most easily recognisable varieties around, with intriguing bell-shaped blooms in pink and blue tones, that aren?t pure or clear in tone. Hardy, semi-evergreen perennial that will return year after year in herbaceous borders and patio pots. Tolerates rain or drought well, Penstemon 'Sour Grapes' will attract bees and pollinators to the nectar rich blooms too. Height: 60cm (24). Spread: 45cm (18).