40 year old Virginia creeper didn’t come into leaf.

Question

Only produced randomly spaced leaves of which there are few , it usually covers the front of the whole house .

Answer 1

I didn't find any reseach that confirmed their life expectancy but if yours lasted 40 years, I'd say you were lucky. It may have succumbed to disease or old age.

https://www.gardeningknowhow.com/ornamental/vines/virginia-creeper/virginia-creeper-maintenance.htm