Ceratostigma willmottianum (Chinese plumbago)
C. willmottianum is a compact, bushy, spreading, deciduous shrub with ovate to lance-shaped, mid-green leaves turning red in autumn and clusters of blue flowers from late summer into autumn.
Plant in well-drained soil in sun or partial shade. Benefits from protection in areas with very cold winters. Will reach a height of 1m and a spread of 1.5m after 5-10 years.