Salvia longispicata x farinacea - 'Indigo Spires'
Salvia 'Indigo Spires' is a vigorous shrubby perennial with masses of long, twisted spikes of indigo blue flowers that are around 30cm long. This salvia is a non-stop bloomer from early summer through to autumn. Plant in full sun to light shade in well drained soil. Protect from winter frosts. Grows to 90cm.