CEANOTHUS Victoria deep Blue Evergreen Shrub, or Californian Lilac
Mid green glossy foliage with round deep blue fluffy flowers for the bees and butterflies in spring/summer. Will make approx 2-3M high/wide in a few years.  Currently bushy, in a large 5litre pot, garden or patio pot ready. 
Fully hardy, any site, any soil.