Gardener's favourites, hydrangeas are easily grown and propagated, highly decorative and long-lasting. With a season that runs from mid-summer to autumn, these beautiful plants offer enormous potential for gardens great and small. This new edition includes: fresh images, fully revised chapters on the genus, hydrangeas in the gardens, cultivation and propagation. Also, the final extensive chapter includes full details of 20 new cultivars and sub-species, bringing the total to over 95. Each of the full descriptions are illustrated by stunning photographs of the cultivar/sub-species, leaf silhouettes, and line drawings. The chapter 'Genus Hydrangea' includes more on Japanese cultivars and less hardy cultivars; the Cultivation chapter covers details of growing from seed, extends the information on well dressing, and includes more on diseases. The new cultivars to be covered include: 6 stunning Teller lace caps from Switzerland; plus H. serrata 'Tiara'; the American cultivar 'Oregon Pride'; 7 hardy Japanese cultivars; the Dutch cultivar 'All summer Beauty' and the French 'Ave Maria'.