Arnold Arboretum: An Introduction to Lilac
Its history and cultivation in New England
Growing Lilacs in Montana
Horticulture specialists discuss the different species available, planting, fertilization, propagation, diseases, and more
Homage to Lilacs
Includes pictures, links, and more
International Lilac Society
Aims to promote and stimulate interest in the genus Syringa
Lilac Festival
Takes place annually in Rochester, New York
Plantwatch: Common Purple Lilac
Provides an overview of its distribution, habitat, and life cycle