City bees: allotments and gardens can help arrest decline – study

Research also identifies pollinators' favourite flowers, including brambles, buttercups, dandelions, lavender and borage

Allotments, weedy corners and fancy gardens are all urban havens for bees and other pollinators, a study has found.

The widespread decline of bees resulting from the loss of wild areas and pesticide use has caused great concern in recent years, but towns and cities have been suggested as potential sanctuaries.