By Treetop
West Midlands,
United Kingdom 
ID please, Bought from local garden centre.
23 Jun, 2018
Answers
There are hardy and non hardy ones - can't tell which this is, sorry.
23 Jun, 2018
A closer look.
23 Jun, 2018
A rather nice double flowered Campanula. Hardy.
23 Jun, 2018
It looks like a Campanula, or Bellflower but I really need a closer look. If it's the same as mine it's a rock plant, very pretty and will bloom every summer.
23 Jun, 2018