St. Lucie County Reminds All Residents About the Summer Fertilizer Blackout Period

St. Lucie County Reminds All Residents About the Summer Fertilizer Blackout Period


  1. LUCIE COUNTY – St. Lucie County’s Water Quality Division wants to remind all residents and businesses that the county-wide fertilizer ban once again goes into effect June 1 through Sept. 30. This applies to all businesses and residences living in unincorporated St. Lucie County, as well as the cities of Fort Pierce and Port St. Lucie.
  • Fertilization with Nitrogen or Phosphorus is prohibited during this period (June 1 – Sept. 30)
  • Oct. 1through May 30 – ALL fertilizer application products must contain at least 50 percent slow-release Nitrogen and 0 percent Phosphorus (unless soil test indicates deficiency),

During the summer rainy season, fertilizers with Nitrogen and/or Phosphorous become fuel for harmful algae blooms in the St. Lucie River and Indian River Lagoon.

St. Lucie County’s fertilizer ordinance is similar to more than 40 other communities throughout the Indian River Lagoon basin, designed to protect one of the most diverse estuaries in North America from an additional overload of unwanted nutrients.

Additionally, residents, businesses and lawn companies must avoid vegetative materials, such as grass clippings and leaves, from being washed, swept or blown into stormwater drains, water bodies or impervious areas.

The county-wide fertilizer ordinance includes exceptions for agriculture, golf courses and athletic fields.

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  • Posted 6 years ago

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