Key Biscayne, FL 33149 Frost Dates
When can you plant in Key Biscayne, FL?
The NOAA station nearest to 33149 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 11a (40 to 45°F average annual minimum).
How Key Biscayne compares
Key Biscayne's growing season runs about 365 days, ranking 1,633 of 40,283 US ZIP codes measured here, longest to shortest. Within FL, it ranks 674 of 1,609.
Learn more
zone vs. frost date covers why Zone 11a and Key Biscayne's frost date answer different questions. local microclimates covers what one yard in Key Biscayne can differ from the 33149 normal.