Fertilizer Retailers & Distributors

green algae in a pond

Pinellas County Fertilizer Ordinance No. 10-06 addresses the Retail Sale of Fertilizer containing Nitrogen or Phosopherous (Section 58-482).

The purpose of the ordinance is to control the excessive or improper use of fertilizer in landscapes. Excessive or improper use of fertilizer is a significant source of excess nutrient pollution to local waterbodies.

How to Comply

bags of fertilizer for retail sale
How to read a fertilizer label. 16-0-8 means 16% nitrogen, 0% phosphorous, 8% potassium. The rest is other nutrients, conditioners, and fillers.

  • Granular and spike fertilizers with nitrogen must contain at least 50% slow release nitrogen.
  • The Fertilizer Retail Guide details how to calculate percentage (%) of slow release nitrogen, including the Pinellas County Fertilizer Retail Decision Tree.
  • Retailers must post a notice about this ordinance.

Approved for Retail Sale During Restricted Period

  • Composts, soils & seed mixes
  • Fertilizers specifically labeled for indoor use, container plants only or hydroponic use
  • Macro-nutrients such as potassium, sulfur, calcium, magnesium
  • Micro-nutrients such as iron, magnesium, etc.

Pinellas County provides FREE professionally printed materials to help you educate your customers. Request materials by emailing watershed@pinellas.gov.