I use a balanced fertiliser once a year in the spring, something like gromore

Welcome to goy bye the way Dave, you can reply to the comments as I have in the white box below tbhen click on add comment,anyone who has commented will then be notified.
Have you looked about and checked out the blogs and photos?

Thanks for that. I have had a little look and find the photo's fascinating. I love photography so seeing the pictures makes me wish I had taken them.