I think for sure it's Ipomoea indica, looks just like that!
Thank you all so much for all your help :)
I have searched all over Google etc trying to pin point which one it was with no luck.
No it does not produce even one single seed or pod. When the flower dies, that's it. No round seed pods form or anything like on my regular Morning Glories or Japanese MG's form.
Where I live we do normally go down to 20 degrees and it even snows here once every other year or so.
So the vine just grows again from roots in the ground that are normally sheltered by my bench or flagstone etc. I love the vine but I do have to trim it sometimes when it tries to cover the front door screen etc.
Thank you all for your help I really appreciate it so much.