Local Over 90 Percent of Chicago Trees Inoculated in 2011 and 2012 Still Viable by Gary Kopycinski on September 18, 2014 Gary Kopycinski Author More in Local: Park Forest’s Sandra Zoellner Retires After 21 Years of Service June 17, 2026 Save the date for The Prairie Party at theNate June 17, 2026 Governors State Has New Soccer Complex and New Men’s Coach June 17, 2026 Dedicated Workforce Continues Inoculation of All Viable Parkway Ash Trees, Including Ash Tree Retreatment