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Owdboggy · 15-01-2011, 05:56 PM

Quote:

Originally Posted by Darkside

In article , writes
In article ,
Owdboggy wrote:

C. europeaum is a discontinued name for either C purpurascens (which is
not hardy) and C.repandum forms.

It's certainly not hardy in Caithness, I agree! But, given that it
has naturalised in a dozen or so locations in England and Wales,
there is a sense in which it has to be hardy.

In the autumn I planted C purpurascens, bought from an expert at the
local Hardy Plant Society who told me to treat it like C hederifolium
but moister in summer. It looks perfectly healthy after moderate frosts
and a couple of inches of snow.
--
Sue ]

Well I have planted purpurascens and cyprium and mirabile outside here in various locations in the garden, none of them have survived.