Toby Buckland shares his top tips on how to get a bumper tomato harvest, as well as his ideas for where to plant shrubs with purple, gold and silver leaves to ensure that they flourish in your garden. Carol Klein continues her investigation into plant families as she delves into the nettle clan, while Alys Fowler uses a Native American Indian technique for growing tender vegetables. Plus a final chance to see the rhododendrons at the Leonardslee garden in West Sussex.