Daylilies -- available in a rainbow of glowing colors and combinations of colors; able to survive with little or no care in a wide range of climates; boasting a variety of shapes and sizes; suitable for any kind of landscape; drought resistant and almost disease and insect free; adaptable to various soil and light conditions. By all accounts, daylilies are, indeed, the perfect perennial. In celebration of these satisfying plants, garden writers Lewis and Nancy Hill share the wisdom of their more ...