Sir Richard Carew Pole, president of the Royal Horticultural Society, and resident of Antony, one of the most beautiful 18th-century houses in Cornwall, and home of the National Collection Of Day Lilies, talks about his family and his family home, now owned by the National Trust. Purcell Room South Bank, SE1 (020-7960 4242). Mon 10 Mar, 6pm, £7.50.