March 14, 2021

Lilac Register is now a Printed Book!

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 […]
March 14, 2021

2022 Convention Scheduled

SAVE THE DATE ILS 2022 Convention Rochester, New York Thursday May 12, 2022 – Saturday May 14, 2022 Finally, the US borders are starting to reopen […]
August 12, 2019

Support scientific research while enjoying lilacs in your yard!

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 […]
August 12, 2019

Lilac Booklets for Sale!

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 […]
August 12, 2019

ILS Coloring Books

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 […]
August 6, 2019

Save the Date! 2022 Convention

2022 International Lilac Society Convention May 12-14, 2022 Rochester, New York, USA Hosted by Highland Park (Photo of their specimen of ‘Rosea Grandiflora’ by Mark L. […]
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