The Perennial Plant Association hosts several events each year, including the National Symposium each summer and several day-long Regional Symposia.  

2019 PPA-AAS-NGB National Symposium

- Click here for more information about the 2019 National Symposium, hosted in conjunction with All-America Selections and National Garden Bureau.  The 2019 National Symposium will be in Chicago, IL (Rosemont) from July 28 - August 2 and will feature tours, events, and education sessions.

Upcoming Perennial Plant Association Regional Symposia

- Northeast Regional Symposia on August 27 in Wellesley, MA

- Great Lakes Regional Symposia on October 19 in Niles, MI