Per the Hernando County Planning Department:

For new Developments, the Builder/Developer shall provide new residential property owners with Florida-Friendly Landscaping™ Program materials and encourage the use of the principles, techniques, and landscaping recommendations.  Information on the County’s Fertilizer Ordinance and fertilizer use is to be included. Educational materials are available through Hernando County Utilities Department.

Links to the materials mentioned above follow:

• Hernando County Fertilizer Ordinance
• Florida Friendly Landscaping (FFL)
• FFL Guide to Plant Selection and Landscape Design
• DIY Guide to Florida-Friendly Fertilizing