The Color Encyclopedia of Daylilies
Daylilies for the Garden
The New Encyclopedia of Daylilies: More Than 1700 Outstanding Selections
A Passion for Daylilies: The Flowers and the People
Daylilies: The Perfect Perennial
The Daylily: A Guide for Gardeners
Daylilies: The Wild Species and Garden Clones, Both Old and New, of the Genus Hemerocallis
The Gardener's Guide to Growing Daylilies
Daylilies (Gardener's Guide)