In article , Janet Baraclough.
.. writes

If they survive that, my plan is to divide the clump in a year or two.
So here's the question..is this a good idea, or do established dieramas
object to disturbance?

I have been told they do not like root disturbance (
--
Jane Ransom in Lancaster.
I won't respond to private emails that are on topic for urg
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at jandg dot demon dot co dot uk where you see