| You say Carefree wonder "roses", so I am not sure we are on the same wave length. If it is the rose Carefree Wonder that you are asking about, and not a group of roses, then the link below should reassure you that it will take your temps. Don't know if any protection will be needed, since I don't garden in that zone. It's a tough rose for me. |
Here is a link that might be useful: Carefree Wonder