terryc wrote:
We have had one in the ground(self sown black) for about two years
now, but there is no sign of flower buds.
Will these happen when the real summer sets in?
Should I add a bit of iron to make sure?

T.I.A.

A well grown vine ought to have fruit over quite a long period in the
warmer months with the heaviest fruiting in late summer. I am not sure
about the iron, why did you mention that?

D