Any information will be gratefully received
I have had a clematis for 15 -20 years that has never flowered last year I had two large trees cut down that were close to it and this year without the competition it has gone absolutely mad it's covered a nearby shed and all over a wall it's healthy very green and growing on an hourly rate like a blooming triffid but still not a sign of a flower
Should I prune it back really hard this autumn ( is that the right time) or what do you all think ?
Anger management!!! Help needed.