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Alabama · NOAA station USC00010505

Frost dates for Bankhead L&d, AL

At Bankhead L&d, the median last spring frost (32°F) is Mar 20 and the median first fall frost is Nov 11, for a typical growing season of 235 days. For a 90% chance that the last frost has passed, wait until Apr 9. Nearby ZIP codes are in USDA hardiness zones 8a to 8b.

  • Mar 20Last spring frost (median)50% chance of 32°F after this date
  • Apr 9Safer planting date10% chance of 32°F after this date
  • Nov 11First fall frost (median)50% chance of 32°F by this date
  • 235 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.

Bankhead L&d: last spring freeze by temperature
Temperature90% chance later50% chance later10% chance later
36°FMar 15Apr 2Apr 18
32°FFeb 26Mar 20Apr 9
28°FFeb 11Mar 4Mar 27
24°FJan 23Feb 18Mar 17

First fall frost dates

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

Bankhead L&d: first fall freeze by temperature
Temperature10% chance by50% chance by90% chance by
36°FOct 21Nov 2Nov 15
32°FOct 29Nov 11Nov 30
28°FNov 5Nov 22Dec 17
24°FNov 15Dec 7Jan 8

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.

Bankhead L&d: growing season by temperature
Temperature9 in 10 years at least5 in 10 years at least1 in 10 years at least
36°F191 days212 days237 days
32°F211 days235 days261 days
28°F233 days262 days294 days
24°F259 days294 days329 days

Chance of a freeze in any year

Bankhead L&d: probability of at least one day at or below each temperature
TemperatureChance per year
36°F100%
32°F100%
28°F100%
24°F100%

ZIP codes whose closest station is this one

ZIP codes near Bankhead L&d with 2023 USDA hardiness zones
ZIPHardiness zoneAvg. extreme lowDistance
350068a10 to 15°F14 km
354448b15 to 20°F15 km
354068a10 to 15°F16 km
354758a10 to 15°F19 km
355798a10 to 15°F19 km
355468a10 to 15°F24 km
354908b15 to 20°F28 km
351308a10 to 15°F29 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 USC00010505, at 33.4528, -87.3572, elevation 85 m (280 ft).
  • Data quality: Representative (10+ years), 25 years of freeze data.
  • Average days per year at or below 32°F: 60.
  • 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 Alabama stations · How frost dates are calculated