A fertilizer blackout is defined as a period of time that fertilizers with nitrogen and/or phosphorus are banned from use. Most times this is during the rainy season. If you were to apply fertilizer (especially granular fert) it would be hit so hard and fast with afternoon rainstorms that it would be carried from the turf to the streets and end up out in the Gulf or Atlantic. This then wreaks havoc on the ecosystems and can contribute to red tide algal blooms and dead zones.
Here is a list of the counties in Florida that have fertilizer blackouts:
County | Blackout Dates | *City specific |
Alachua | July 1 - February 28 | |
Brevard | June 1 - September 30 | |
Broward* | June 1 - September 30 | *Fort Lauderdale |
Charlotte | June 1 - September 30 | |
Citrus | November 1 - March 31st | |
Collier* | June 1 - September 30 | *Naples & Marco Island |
Hernando |
December 15- March 15 June 1 - September 30 |
|
Hillsborough | June 1- September 30 | |
Indian River | June 1 - September 30 | |
Lake | June 1 - September 30 | |
Lee | June 1 - September 30 | |
Leon | Temperatures under 40º | |
Manatee | June 1 - September 30 | |
Martin | June 1 - September 30 | |
Miami-Dade | May 15 - October 31 | |
Monroe | May 15- October 31 | |
Orange | June 1 - September 30 | |
Palm Beach* |
June 1 - September 30 *North Palm Beach: June 1 - October 31 |
*North Palm Beach, Juno Beach, Jupiter, Palm Beach, Tequesta |
Pinellas | June 1 - September 30 | |
Sarasota | June 1 - September 30 | |
Seminole | June 1 - September 30 | |
June 1 - September 30 | ||
Volusia | June 1 - September 30 |
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The good news is that even though you may not be able to throw down fert during the blackout, you can still be busy in the lawn. Here's a link to our free Florida Blackout Guide, loaded with tips, tricks, and a stellar schedule to help you keep dominating your neighbor's lawn: Florida Blackout Guide.
Keywords: Florida, blackout, black out, ban, nitrogen, phosphorus
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