Easy to grow despite their exotic appearance, dahlias rarely fail to produce impressive, beautifully formed blooms. This guide catalogues 50 varieties of dahlia, with botanical description, height and flower type. There is advice on buying and selecting the best plants, planting and propagation, and controlling diseases and pests. Also included is a history of the dahlia, with cultivation ideas for general garden displays and cut flower arrangements. Be it perfection of bloom, or just a glorious profusion of colour in the garden that you are after, there is something for everyone in the world of dahlias.