Announcing the availability of the International Lilac Society’s 2021 Edition of the “International Registry and Checklist of Cultivar Names in the Genus Syringa L. (Oleaceae)”! This is the […]

You are invited to join forces with the USA National Phenology Network and track the timing of flower and leaf events in a cloned lilac, thereby […]

The revised lilac booklet Lilacs; Plants of History-Plants for Tomorrow, 2nd edition is available. This is a great “how to” 24 page guide covering everything from […]

Kudos to the ILS Youth Committee which has developed a lilac inspired coloring book. The idea behind the book is to use it as an educational […]