Yes it can be, reaction to changing temperatures might mean different rose blooms are shades of say, yellow/apricot/pink or a mix on the same bloom, or do you mean completely different, as in white roses on a stem coming from the base of the rose? The latter might be a sucker from the rootstock. Can you post some pictures?
Mountainous Northern Catalunya, Spain. Hot summers, cold winters.
Pink and Apricot is exactly what it is, its not a sucker, It does get them but i cut them off, they usually have different coloured foliage as well .... it looks nice I'm glad ....
gazwilson194
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