In article , "David W.E. Roberts" writes:
| AFAIK you can pinch back unwanted shoots at any time - you just shouldn't
| prune the established wood after late January because then the wood bleeds
| when the sap starts to rise. This weakens the plant's growth in spring.
| However, this is for best cropping of grapes - if you are growing an
| architectural variety I guess you could prune at any time once vigorous
| growth has started.

Yes, but I shall need to cut back shoots. Not drastically, but
somewhat. Hence my question of when the sap run STOPS.

Incidentally, late January is an average - it could be a lot
different in different years and parts of the country.


Regards,
Nick Maclaren.