Salvia Uliginosa - Bog Sage

Salvia Uliginosa - Bog Sage - versatile plant that will grow in many soil types. It is easy care and a useful filler. The sky blue flowers form in spikes on long stems and appear from late spring to autumn.  It is a fast growing, upright perennial with willowy stems.  
 
A herbaceous perennial that reaches a height of 1.8m.