To commemorate Arbor Day, MiraCosta College will plant 12 citrus trees, including mandarins, oranges, grapefruit, lemons, limes and kumquats on Thursday. The planting ceremony will take place in conjunction with the weekly College Hour event at 12:30 p.m. on the college’s Oceanside Campus, located at 1 Barnard Drive, Oceanside, between the 3400 and 3500 buildings. […]