This week Alan Titchmarsh tackles his overcrowded perennials, while Rachel de Thame plants her favourite
Japanese maple and Chris Beardshaw admires the exotic planting at the Eden Project in Comwall.
Producer Colette Foster : Executive producer Tony Laryea (S) (W) WEBSITE: www.bbc.co.uk/gardening
BBC BOOK: Gardeners' World Complete Book of Gardening, price £12.99 Alan Titchmarsh sings the praises of hellebores: page 38