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Louisiana · NOAA station USW00013957

Frost dates for Shreveport, LA

At Shreveport, the median last spring frost (32°F) is Mar 9 and the median first fall frost is Nov 18, for a typical growing season of 255 days. For a 90% chance that the last frost has passed, wait until Mar 29. Nearby ZIP codes are in USDA hardiness zone 8b.

  • Mar 9Last spring frost (median)50% chance of 32°F after this date
  • Mar 29Safer planting date10% chance of 32°F after this date
  • Nov 18First fall frost (median)50% chance of 32°F by this date
  • 255 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.

Shreveport: last spring freeze by temperature
Temperature90% chance later50% chance later10% chance later
36°FMar 2Mar 24Apr 11
32°FFeb 16Mar 9Mar 29
28°FJan 26Feb 22Mar 16
24°FDec 31Jan 31Mar 3

First fall frost dates

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

Shreveport: first fall freeze by temperature
Temperature10% chance by50% chance by90% chance by
36°FOct 27Nov 8Nov 24
32°FNov 2Nov 18Dec 5
28°FNov 9Dec 1Dec 27
24°FNov 25Dec 22Jan 20

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.

Shreveport: growing season by temperature
Temperature9 in 10 years at least5 in 10 years at least1 in 10 years at least
36°F205 days230 days257 days
32°F229 days255 days282 days
28°F254 days283 days319 days
24°F285 days324 days360 days

Chance of a freeze in any year

Shreveport: probability of at least one day at or below each temperature
TemperatureChance per year
36°F100%
32°F100%
28°F100%
24°F95%

ZIP codes whose closest station is this one

ZIP codes near Shreveport with 2023 USDA hardiness zones
ZIPHardiness zoneAvg. extreme lowDistance
711088b15 to 20°F5 km
711298b15 to 20°F10 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 USW00013957, at 32.4506, -93.8411, elevation 83 m (273 ft).
  • Data quality: Standard (24+ years of data), 29 years of freeze data.
  • Average days per year at or below 32°F: 30.
  • 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