These three numbers in order are: nitrogen, phosphorus, potassium.
Most of Lee County: during the rainy season, only use fertilizers that have zeros for the first two numbers for lawns and horticulture including palms. First violation is $100, second $250, third $500. See below for specific area ordinances.
Vegetable gardens are exempt if they are 15 feet from canals or any type of water. Compost can be applied anytime throughout the year.
Lee County ordinance:
http://www.dontfeedthemonster.info/wp-content/uploads/2014/05/Lee-Ordinance.pdf
Sanibel ordinance:
http://www.mysanibel.com/Departments/Natural-Resources/Protecting-Our-Water-Quality/Sanibel-H2O-Matters/Sanibel-s-Fertilizer-Information/Sanibel-Fertilizer-Ordinance
Naples ordinance:
http://www.naplesgov.com/DocumentCenter/Home/View/389
Fort Myers Beach ordinance:
http://www.fortmyersbeachfl.gov/index.aspx?nid=276
Cape Coral ordinance:
http://www.capecoral.net/department/public_works/fertilizer_ordinance.php#.V1lfgNeeoSR
Charlotte County ordinance #1:
http://charlotte.ifas.ufl.edu/horticulture/hort-fertilizer1.htm
Charlotte County ordinance #2:
http://www.dontfeedthemonster.info/wp-content/uploads/2014/05/Charlotte-Ordinance.pdf
