Overview: Monty creates colourful planting schemes with trailing plants. He also plants out cabbages in the vegetable garden and shares a clever tip for dealing with your spent tulips. Toby Buckland revels in the superb displays of roses at Mount Ephraim Gardens in Kent. And there's a return visit to the Linn Botanic Gardens in Argyll and Bute, where owner Matthew Young gets some sage advice about the precious and rare trees in his collection.