Are perpetual carnations perennial? Or do they have to be propagated each year from cuttings, If they are perennial is it worth lifting and potting up for the winter and keeping in a cold greenhouse.
edited October 2019
They are perennials and hardy but obviously depends on your location.
They will produce flowers for a number of years just left to their own devices but like most things, they gradually become less productive.
Always a good idea to take cuttings from 2nd year onwards to be on the safe side.
I find Chambaud to be a good variety.
Thanks for the info Philippa