Veronica spicata

Many bright blue spires over bushy foliage.

Flowering period:  June to August and often later.
Growing conditions:  Well-drained soil in full sun or part shade. Dislikes wet conditions in winter.
Special note:  Remove faded flower heads in autumn.
Typical mature height:  12 inches ( 30 cms )
Hardiness: - to discuss further  
 Piecemeal Plants in Leicestershire