Q.What Is This Climber?
I have had this plant for a few years. It grew very slowly and did not thrive, I had given up on it and forgot its name suddenly this year it has taken off and I would really appreciate being reminded of its name so I can care for it. I think it is a type of clematis the leaves a fine and silky no flowers but I recall the flowers would be white.

Certified GKH Gardening Expert
It does appear to be a Clematis. It will not be possible to tell which cultivar that it is from this photo, however.
Here is an article that will help you to care for Clematis:
https://www.gardeningknowhow.com/ornamental/vines/clematis/growing-clematis.htm