City of Richmond issued the following announcement on Apr 1.
The Richmond City Cemetery is requesting that all winter decorations and grave blankets be removed by April 15th. Any discarded items may be placed in the dumpster located near the cemetery maintenance barn. We thank you for your cooperation. If you have any questions you can contact the Public Service Director, Jim Goetzinger, at 586-727-7575 or jgoetzinger@cityofrichmond.net.
Sincerely,
City of Richmond
Original source can be found here.