Veronica perfoliata

  • Veronica perfoliata  digger's speedwell
digger's speedwell

This unusual evergreen perennial from Australia grows 2 to 3 feet tall, 2 foot spread and sometimes runs. Stiff stems with gray foliage are topped with soft spikes of 1/2 inch violet blue flowers over a long period. Full sun or light shade, rocky soils, moderate water. Drought and deer resistant.