In the Beechgrove Garden, things may not always be as rosy as they seem. Jim deals with an attack of a pernicious weed, and also checks up on his precious new crop of sweet potatoes. Carole decides to clear out an overgrown pond in a garden in Auchterarder, turning it into a bog garden. Carole also visits a huge garden in Culbuie, Buchlyvie, featuring a wildflower meadow and colourful perennial borders.