In article , hayley
writes
You are feeding them too much. Chicken manure will make lots of
leaves at the expense of flowers.

Thank you for the replies - is there anything which I should use to make
more flowers? (I guess it would need to be high potassium?)

Or just no fertiliser.
It might take a few years for the high nitrogen conditions you have
provided to subside.



--
Kay Easton

Edward's earthworm page:
http://www.scarboro.demon.co.uk/garden/