It's winter, time to do pruning!
Jan 01, 2018
Vines are vigorous plants and need to be pruned back severely, removing more than 70 per cent of the canes in winter to get the best grapes production. In some Bordeaux estates for instance, they keep only a few canes to get 5 to 12 clusters per vine depending on age and variety.
If you want to learn more about the vines growth cycle:
