Salvia Guaranitica ‘Black And Blue’

This head-turning perennial offers both stature and sumptuous colour. It’s an impressive sight in late summer and autumn when the dark, 30cm long spikes appear, each threaded with rich purple-blue flowers that are held at their bases by near-black calyces. ‘Black and Blue’ is a vigorous plant, but it’s not fully hardy, so if possible place it near a south facing wall where it will flourish in its reflected warmth and shelter.