Purchase A Membership
ILS Member Benefits
Membership in the International Lilac Society provides access to a wide range of resources, publications, events, and opportunities for lilac enthusiasts around the world. 

- Quarterly journal, LILACS — Receive the ILS quarterly journal, a high-quality, full-color digital publication featuring information and articles about lilacs.
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Journal archive — Access a sortable index of all past quarterly journals, along with online versions of the publications.
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Annual member directory — Receive the annual ILS member directory.
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Annual ILS Convention — Attend the annual ILS Convention, held at different gardens and arboreta featuring established lilac collections in bloom. (Additional fees apply for convention activities.)
- New member publications — New members receive PDF copies of two lilac booklets: Lilacs by John Alexander and Lilacs: A New Hampshire Perspective by John Bentley. These publications provide guidance on proper lilac culture and maintenance.
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Rare and hard-to-find lilacs — Enjoy opportunities to obtain rare and hard-to-find lilac cultivars for your garden.
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Lilac photo database — Access the world's largest lilac color photo database, featuring more than 22,000 photographs representing more than 1,600 cultivars.
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Lilac cultivar register — Access a sortable spreadsheet version of the ILS Register of Lilac Cultivar Names, allowing you to search for detailed cultivar information.
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Discounted publications — Purchase available lilac publications at discounted member prices.
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ILS Robin email chat — Participate in the ILS Robin email discussion group and connect with fellow lilac enthusiasts.
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Educational resources — Access articles about lilacs published by other organizations.
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Lilac events worldwide — Explore a list of lilac-related events taking place around the world.
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Lilac collections and gardens — Discover lilac collections and gardens around the world.
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Specialty sellers — Access links to lilac specialty growers and sellers.
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Commercial member listings — Commercial members may be listed on the ILS Retail and Wholesale website pages.
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Voting rights — Eligible members may vote for ILS Board of Directors candidates and on matters of annual business.
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Research results — Receive results from ILS-funded research and other authorized member benefits.












