Our current schedule is to trim every tree once every eight (8) years. However, sometimes the schedule is interrupted, such as the recent need for forestry crews to switch from tree trimming to tree removal required by the spread of the Emerald Ash Borer. All trees in one (1) zone of the City are trimmed before we move on to the next zone. There is a tree trimming schedule posted online: https://www.cityofevanston.org/about-evanston/sustainability/our-urban-forest or you may call 3-1-1 to determine what season and year your parkway tree is expected to be trimmed. You may also submit a service request, "Forestry- Ask a Question" to directly send your question to the Forestry division: https://www.cityofevanston.org/how-to-/311/submit-a-request
Please note: The tree trimming schedule is currently under revision and is not available on the City's website.