"Stewart Robert Hinsley" wrote in message
In message
snip
Lavateras, especially 'Rosea' and 'Barnsley', are easily propagated from
cuttings, so you can always have replacement plants available if you have
somewhere to overwinter them.

Stewart Robert Hinsley

When would be the best time of year to take cuttings, to plant in a
coldframe.
Thanks.
Bertie