City of Princeton issued the following announcement on Nov. 6.
The fall cleanup schedule for Oakland Cemetery and Elm Lawn Memorial Park in Princeton has been announced.
After Sunday, November 15, city crews will be removing any remaining summer and fall decorations from the City of Princeton cemeteries, in addition to turning over vases at Elm Lawn in preparation for winter
Winter decorations and grave coverings are allowed starting November 15, and will be removed after March 1 by city crews.
Original source can be found here.