While summer raspberries are pruned in late summer ... But judging when to prune grape vines is critical, too early and they can be damaged by frosts and go too late and the vines bleed sap.

In mid-winter, prune some sideshoots back to one bud and others to two. Cut back developing main stems by half their new growth and established ones to a single, new bud. In summer, shorten non ...