Key Biscayne, FL 00617 Frost Dates
When can you plant in Key Biscayne, FL?
The NOAA station nearest to 00617 does not report a usable frost-date normal for either event, so no last-frost or first-frost figure is shown here. The USDA hardiness zone below is still real: Zone 13a (60 to 65°F average annual minimum).
How Key Biscayne compares
At roughly 365 frost-free days, Key Biscayne places 1,526 of 40,283 ZIP codes in this dataset. Within FL, it ranks 567 of 1,609.
Learn more
the methodology covers exactly which NOAA and USDA figures feed 00617's numbers. zone vs. frost date covers why Zone 13a and Key Biscayne's frost date answer different questions.