"Jeff Layman" wrote in message ...
Very good advice. The only thing I would add is that the OP said it is in
shade for most of the time.
snipped
If he can dig it up when it is dormant and move it to a sunnier position, I
am sure he will be rewarded with better flowering.

Many thanks for the advice, I may move it to the opposite border, where its
a little sunnier.


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Best Wishes
Simon Taylor -