Zia Allaway is an author, editor, and journalist. She writes a regular column on gardeners for Homes & Gardens magazine, and has written a range of titles for DK, including Grow Compost, Grow Eco-Gardening, RHS Practical House Plant Book, RHS Practical Cactus & Succulent Book, Indoor Edible Garden, and RHS What Plant Where, and has also contributed to RHS Encyclopedia of Plants and Flowers.