"s are undoubtedly among the garden aristocrats and every garden should have one, somewhow, but not on an east-facing exposure. They are and their oval shiny leaves are a joy at all times of the year, but they come into full glory when covered in flowers. The sheer number of varieties and is bewildering. For years I only admired them from afar, put off from growing them, by my very limey soil and by the successful growers who made me fell too ignorant to own them"