Cultivated blackberries, available at your local garden centre, are better behaved than the noxious sort (they're thornless too!) HOW TO CARE FOR CULTIVATED BLACKBERRIESTo keep plants tidy and productive, blackberries are best pruned in winter after fruiting. Unlike their unruly wild cousins, which have a trailing habit, cultivated blackberry varieties have upright growing canes. Thornless cultivated blackberries available from your garden centre include:* 'Navaho', which shows good tolerance to heat and cold. Sally Tagg/NZ Gardener Blackberries.
Source: Stuff June 13, 2019 02:26 UTC