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Florida · NOAA station USC00085793

Frost dates for Milton Exp. Station, FL

At Milton Exp. Station, the median last spring frost (32°F) is Mar 15 and the median first fall frost is Nov 13, for a typical growing season of 241 days. For a 90% chance that the last frost has passed, wait until Apr 3. Nearby ZIP codes are in USDA hardiness zones 8b to 9a.

  • Mar 15Last spring frost (median)50% chance of 32°F after this date
  • Apr 3Safer planting date10% chance of 32°F after this date
  • Nov 13First fall frost (median)50% chance of 32°F by this date
  • 241 daysGrowing season (median)between 32°F freezes

Planting date calculator

Pick how much frost risk you accept and how many weeks before or after the last frost your seed packet says to plant.

From your seed packet, e.g. “start 6 weeks before last frost”.

–Last spring frost
–First fall frost
–Your planting date
–Hardiness zone

Last spring frost dates

The chance that the temperature drops to the threshold after each date.

Milton Exp. Station: last spring freeze by temperature
Temperature90% chance later50% chance later10% chance later
36°FMar 10Mar 30Apr 16
32°FFeb 22Mar 15Apr 3
28°FFeb 4Mar 1Mar 22
24°FJan 15Feb 14Mar 12

First fall frost dates

The chance that the temperature has dropped to the threshold by each date.

Milton Exp. Station: first fall freeze by temperature
Temperature10% chance by50% chance by90% chance by
36°FOct 21Nov 3Nov 17
32°FOct 30Nov 13Dec 2
28°FNov 5Nov 24Dec 20
24°FNov 17Dec 12Jan 18

Growing season length

Days between the last spring and first fall freeze, as the length reached in 9, 5 and 1 out of 10 years.

Milton Exp. Station: growing season by temperature
Temperature9 in 10 years at least5 in 10 years at least1 in 10 years at least
36°F196 days218 days243 days
32°F217 days241 days269 days
28°F242 days270 days307 days
24°F266 days304 days345 days

Chance of a freeze in any year

Milton Exp. Station: probability of at least one day at or below each temperature
TemperatureChance per year
36°F100%
32°F100%
28°F100%
24°F97%

ZIP codes whose closest station is this one

ZIP codes near Milton Exp. Station with 2023 USDA hardiness zones
ZIPHardiness zoneAvg. extreme lowDistance
325658b15 to 20°F13 km
325719a20 to 25°F13 km
325779a20 to 25°F23 km

Not the official USDA Plant Hardiness Zone Map. Zones shown here are the values published in the USDA-ARS / Oregon State University PRISM Group 2023 ZIP code tables, shown unaltered. For the official interactive map, visit planthardiness.ars.usda.gov.

About this station

  • NOAA station ID USC00085793, at 30.7794, -87.1414, elevation 66 m (217 ft).
  • Data quality: Representative (10+ years), 16 years of freeze data.
  • Average days per year at or below 32°F: 31.
  • Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.

Nearby weather stations

Sources

Freeze dates are 30-year probabilities, not forecasts. Check your local forecast before planting tender plants.

All Florida stations · How frost dates are calculated