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Louisiana · NOAA station USC00162367

Frost dates for De Ridder, LA

At De Ridder, the median last spring frost (32°F) is Mar 1 and the median first fall frost is Nov 25, for a typical growing season of 269 days. For a 90% chance that the last frost has passed, wait until Mar 25. Nearby ZIP codes are in USDA hardiness zone 9a.

  • Mar 1Last spring frost (median)50% chance of 32°F after this date
  • Mar 25Safer planting date10% chance of 32°F after this date
  • Nov 25First fall frost (median)50% chance of 32°F by this date
  • 269 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.

De Ridder: last spring freeze by temperature
Temperature90% chance later50% chance later10% chance later
36°FFeb 25Mar 18Apr 9
32°FFeb 2Mar 1Mar 25
28°FJan 12Feb 12Mar 10
24°FDec 26Jan 27Feb 28

First fall frost dates

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

De Ridder: first fall freeze by temperature
Temperature10% chance by50% chance by90% chance by
36°FOct 31Nov 13Nov 30
32°FNov 8Nov 25Dec 13
28°FNov 18Dec 7Jan 8
24°FDec 1Dec 30Jan 29

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.

De Ridder: growing season by temperature
Temperature9 in 10 years at least5 in 10 years at least1 in 10 years at least
36°F212 days240 days268 days
32°F237 days269 days301 days
28°F268 days302 days336 days
24°F302 days338 days365 days

Chance of a freeze in any year

De Ridder: probability of at least one day at or below each temperature
TemperatureChance per year
36°F100%
32°F100%
28°F98%
24°F81%

ZIP codes whose closest station is this one

ZIP codes near De Ridder with 2023 USDA hardiness zones
ZIPHardiness zoneAvg. extreme lowDistance
706349a20 to 25°F6 km
706529a20 to 25°F26 km
706539a20 to 25°F32 km
706609a20 to 25°F34 km
759669a20 to 25°F41 km
759289a20 to 25°F45 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 USC00162367, at 30.8428, -93.2869, elevation 58 m (190 ft).
  • Data quality: Representative (10+ years), 24 years of freeze data.
  • Average days per year at or below 32°F: 26.
  • 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 Louisiana stations · How frost dates are calculated