Hebe ‘Nantyderry’ is an evergreen shrub of loose rounded habit, which reaches 30 in (75 cm) high, and the same across. The leaves are mid-green, spear-shaped, with a purple edge, 1.2 in (3 cm) long. The whole leaf takes on a purple-brown coloration in winter. Spikes of violet flowers 1.2 in (3 cm) long, which fade to white, in early summer. A hebe hardy in the UK.
Mrs Rose Clay raised this hebe cultivar in the late 1970s. A hebe that is best pruned after flowering to keep it tidy.