The City of Miami passed a Fertilizer Ordinance in April 2020 that sets restrictions on what kind of fertilizers can be applied on public and private grounds within the City limits as well as when and where fertilizers can be applied. In addition to year round restrictions, this Ordinance establishes Prohibited Application Periods that have additional restrictions due to heavy rainfall and likelihood of flooding (see more information below).This policy was enacted due to the fact that many fertilizers contain nitrogen and phosphorus that, in large quantities, can pollute our waterways, harm marine wildlife, and cause harmful algal blooms.
Year Round Restrictions
- Fertilizer must always be applied 20 feet away from any body of water
- Washing fertilizer down storm drains is never allowed
- Fertilizer with phosphorus is not allowed*
- Fertilizer with nitrogen should be no less than to 65% slow release/timed release/controlled release (no greater) and application should not exceed more than four (4) pounds of nitrogen per one thousand (1,000) square feet.
*Fertilizer containing phosphorus cannot be applied unless the soil is proven phosphorus deficient with a soil test.