Port Saint John, FL planting zone & frost dates
Port Saint John is in USDA hardiness zone 10a. Frost is rare here: in most years temperatures do not drop to 32°F.
USDA hardiness zone10aavg. extreme winter low 30°F to 35°F
FrostRarein most years the nearest weather station records no 32°F freeze
Useful for zone 10a gardens
- Drip irrigation kit — saves water in long, hot seasons
- Shade cloth — protects plants from midday sun
- Soil moisture meter
- Plants for zone 10
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Nearby cities
- Cocoa zone 10a, last frost Jan 29
- Titusville zone 10a
- Rockledge zone 10a, last frost Jan 24
- Merritt Island zone 10a, last frost Jan 24
- Viera East zone 10a, last frost Jan 24
- Cocoa Beach zone 10a, last frost Jan 24
- Satellite Beach zone 10a, last frost Jan 24
- West Melbourne zone 10a
Questions
What growing zone is Port Saint John, FL?
Port Saint John is in USDA Plant Hardiness Zone 10a (average extreme winter low 30°F to 35°F), according to the USDA 2023 map.
Frost dates: NOAA U.S. Climate Normals 1991–2020, station Titusville, FL (USC00088942), 16.6 km (10.3 mi) from the city center, elevation 5 m, based on 26 years of records. Hardiness zone: USDA Plant Hardiness Zone Map 2023 for the ZIP code nearest to the city center. Microclimates (valleys, hills, cities, coasts) can be warmer or colder: check the local forecast before planting. How we calculate the data.