With holidays high on the agenda, Rachel de Thame has advice for keeping house plants healthy while they're
"home alone". Plus a roundup of stunning gardens to visit over the summer. The series continues in two weeks' time. Producer Sarah Davis ; Editor Gill Tiemey BBC MAGAZINE: Gardeners' World, £2.80. New issue on sale now
BBC BOOKS: Gardeners' World: Alan Titchmarsh 's Complete Book of Gardening, £12.99, available from www.bbcshop.com