By Myouse
Pembrokeshire,
United Kingdom 
yes I did prune it in the normal way at the end of the season and put growmore down in Feb
24 May, 2018
Answers
Another year try using a potash feed rather than Growmore.
25 May, 2018
Hi Myouse, you need to put this in the comment box under my comment on the first post of this question. that way others who want to answer you can see how the trhread develops.
I still think it will be down to the weather. you may still get rasps.
24 May, 2018