MONROE — The Highway Department will begin picking up Christmas trees on Monday, January 13. Residents must have their trees at the curb by 7 a.m. Trees should be free of all accessories and should not be bagged. The Highway Department will complete tree pickup on Friday, January 31. It is not necessary to call for an appointment. Residents also may take Christmas trees, free of charge, to the Garder Road Landfill, 211 Garder Rd., from 10 a.m. to 3 p.m. Fridays or Saturdays.