Salvia ‘Blue Spire’ (Pe)

They are formally known as Perovskia ‘Blue Spire’. A deciduous, upright sub-shrub with grey-white stems. Spikes of lavender-blue flowers from August to September above deeply cut grey-green leaves.

Grow in poor to moderately fertile soil which is well-drained in full sun. They tolerate chalk and coastal conditions. It will reach a height of 1.2m and a spread of 1m.