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"I've also thought of having an area for bedding plants and stuff," she said.

Succulents don’t usually grow quickly, so gardeners used to leaving space between annual bedding plants should think tighter.

Students also grow seasonal plants, such as bedding plants, hanging plants, flowering crops for spring, house plants and poinsettias or Christmas plants.

As well as spending four or five hours training every Thursday, Nick helps run his family's bedding plant business.

The historic city has wowed visitors with its spectacular 3D floral displays and, on many of its roundabouts, traditional bedding plants have been swapped for pollinator-friendly wildflowers.