By Grahamdc
merseyside,
United Kingdom 
Can anyone say what this plant is ?
21 Sep, 2019
Answers
Oh,thanks for that.
21 Sep, 2019
Centaurea macrocephalla if the flower head is about 3" across and it is about 4-5ft tall. [that's the size it gets in my garden anyway.]
21 Sep, 2019
Knapweed (Centaurea) possibly
21 Sep, 2019