Lilac Booklets for Sale!
August 12, 2019
Lilac Register is now a Printed Book!
March 14, 2021

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 contributing to a historical data set 6 decades long. Individuals such as yourself have been tracking the timing (or phenology) of cloned lilacs across the country since the 1950’s. These historical records have been invaluable in documenting how plants are responding to changing climate conditions. Read more

Lilac book released
Now available from Timber 
Lilacs: A Gardener’s 
By John L. Fiala, Freek