The best time to fertilizer citrus trees is once every two months during the active growing season (spring and summer) and once every three or four months during the dormant season (fall and winter). A tree that appears lush and green doesn't need to be fertilized as often as a tree that looks distressed.
About this Author
Thomas K. Arnold is the publisher and editorial director of Home Media Magazine and a regular contributor on entertainment to "USA Today", "The Hollywood Reporter," "San Diego Magazine" and other publications.
An alumnus of San Diego State University, Arnold has appeared on such TV shows as "CNN", "E! Entertainment" and "G4's Attack of the Show" to discuss home entertainment and technology issues.