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Louisiana · NOAA station USC00168448

Frost dates for Shreveport WFO, LA

At Shreveport WFO, the median last spring frost (32°F) is Mar 6 and the median first fall frost is Nov 19, for a typical growing season of 257 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 6Last spring frost (median)50% chance of 32°F after this date
  • Mar 29Safer planting date10% chance of 32°F after this date
  • Nov 19First fall frost (median)50% chance of 32°F by this date
  • 257 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 WFO: last spring freeze by temperature
Temperature90% chance later50% chance later10% chance later
36°FMar 1Mar 25Apr 12
32°FFeb 13Mar 6Mar 29
28°FJan 22Feb 20Mar 14
24°FJan 1Jan 31Mar 1

First fall frost dates

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

Shreveport WFO: first fall freeze by temperature
Temperature10% chance by50% chance by90% chance by
36°FOct 25Nov 8Nov 25
32°FNov 2Nov 19Dec 8
28°FNov 11Dec 3Jan 1
24°FNov 26Dec 26Jan 24

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 WFO: growing season by temperature
Temperature9 in 10 years at least5 in 10 years at least1 in 10 years at least
36°F205 days229 days255 days
32°F229 days257 days285 days
28°F258 days289 days325 days
24°F288 days327 days363 days

Chance of a freeze in any year

Shreveport WFO: probability of at least one day at or below each temperature
TemperatureChance per year
36°F100%
32°F100%
28°F100%
24°F92%

ZIP codes whose closest station is this one

ZIP codes near Shreveport WFO with 2023 USDA hardiness zones
ZIPHardiness zoneAvg. extreme lowDistance
711098b15 to 20°F3 km
711198b15 to 20°F9 km
710338b15 to 20°F15 km
710078b15 to 20°F18 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 USC00168448, at 32.4514, -93.8417, elevation 84 m (274 ft).
  • Data quality: Representative (10+ years), 14 years of freeze data.
  • Average days per year at or below 32°F: 27.
  • 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