Central Square Florist will participate in the 3rd Annual Central Square Clean up. The clean up will take place Friday May 18th from 9-11 am rain or shine.  The event is sponsored by the Central Square Business Association (CSBA) and the City of Cambridge Public Works. David Levine from Central Square Florist who serves on the board of directors of the Central Square Business association has helped plan the event though the CSBA Environmental committee that he serves on.