One of the city's top horticulturalists has said the Bearpit is not the right place to be attracting bees and other pollinators.
The news comes as work has begun to turn the roofs of the toilets at St James Barton roundabout into wildflower meadows.
This is understood to be the first set of work to have taken place at the famous sunken roundabout in the city centre since Mayor Marvin Rees re-election in May last year - despite enhancements of the area being one of his election pledges, promising to turn the roundabout into a "haven for butterflies and bees".