In our video (below), RHS Garden Bridgewater's Caroline Williamson talks about the decision to use recycled plastic for the raised beds in the Blue Peter Garden.

Designed by Juliet Sargeant, the raised beds in the garden have been designed to look like cracked clay and perform various functions within the garden, not least to make it a practical teaching space.
Caroline explains that, not only do the raised beds need no maintenance, they use less water, provide a safe space for children with no splinters, and best of all, the plants themselves seem to prefer them