With rhododendrons and azaleas providing bursts of colour all over the country, Monty Don 's thoughts turn to designs for a woodland plot. Meanwhile, Rachel de Thame spring-cleans a pond, and Chris Beardshaw attends to some climbing plants.
Producer Sarah Davis : Editor Gill Tierney Repeated next Sunday BBC MAGAZINE: Gardeners' World, £2 .70. May issue available now Lead letter: page 7