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Tuscaloosa, AL Planting Calendar & Frost Dates

USDA hardiness zone 8b · ZIP 35401 · elevation 52′ · NOAA & USDA data

Tuscaloosa is in USDA hardiness zone 8b (winters can dip to 15 to 20°F), with a growing season of about 250 days between the average last spring frost (March 12) and first fall frost (November 15). The warmest month is July (avg high 93.6°F); the coldest is January (avg low 36.4°F). It averages 57.8″ of precipitation a year. Start cool-season crops several weeks before the last frost; wait until after it for tomatoes, peppers and other tender crops.

Hardiness zone
8b
min temp 15 to 20°F
Last spring frost
March 12
avg (50% prob, 32°F)
First fall frost
November 15
avg (50% prob, 32°F)
Growing season
250 days
frost-free window
Warmest month
July
avg high 93.6°F

Month-by-month typical weather in Tuscaloosa

Average conditions from the NOAA/NCEI 1991–2020 U.S. Climate Normals at Tuscaloosa Acfd, AL (2.3 mi away). Temperatures °F, precipitation & snow in inches.

MonthAvg highAvg lowMeanPrecip (in)Snow (in)
January 57.3 36.4 46.9 5.9 0
February 62.2 39.9 51 5.8 0
March 70.5 46.9 58.7 5.1 0
April 78.1 53.6 65.9 5.5 0
May 85 62.5 73.7 3.8 0
June 91 70 80.5 4.6 0
July 93.6 73.1 83.3 4.7 0
August 93 72.6 82.8 4.8 0
September 88.4 67.1 77.8 3.7 0
October 78.5 55.2 66.9 3.9 0
November 67.3 44.3 55.8 4.6 0
December 59.2 39 49.1 5.4 0

What to plant when in Tuscaloosa

CropSeasonWhat to do & when
TomatoeswarmStart seeds indoors: January 29 · Transplant out: March 19
PepperswarmStart seeds indoors: January 15 · Transplant out: March 26
CucumberswarmDirect sow: March 19
Zucchini / squashwarmDirect sow: March 19
Bush beanswarmDirect sow: March 19
Sweet cornwarmDirect sow: March 19
BasilwarmTransplant out: March 19
PeascoolSow (spring): February 5 · Sow (fall): September 20
SpinachcoolSow (spring): January 29 · Sow (fall): September 20
LettucecoolSow (spring): February 12 · Sow (fall): September 20
KalecoolTransplant (spring): February 19 · Sow (fall): September 6
BroccolicoolTransplant (spring): February 26
CarrotscoolSow (spring): February 19 · Sow (fall): September 6
OnionscoolTransplant (spring): February 12
PotatoescoolPlant seed potatoes: February 26
RadishescoolSow (spring): February 12 · Sow (fall): October 4

Dates are computed from Tuscaloosa's average frost dates using standard cool-/warm-season timing. They're a starting point — a cold spring, a warm microclimate, or a fast-maturing variety can shift them by a week or two.

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Gear that helps you plant on time

Some links below are Amazon affiliate links (tag theboringthin-20). If you buy through them we may earn a small commission at no extra cost to you — it keeps this almanac free. We only list generic, genuinely-useful categories.

Soil thermometer →Know when the ground is warm enough to sow — the honest signal, not the calendar.Seed-starting trays + dome →Start tomatoes & peppers indoors on the schedule below.Seedling heat mat →Warms the soil for faster, more even germination indoors.Floating row cover / frost cloth →Buys you 4–8°F to beat an early or late frost.Raised garden bed kit →Warms and drains faster in spring than in-ground soil.Garden gloves →Basic kit for transplant day.

Nearby cities in Alabama

Birmingham, ALMontgomery, ALDecatur, ALMadison, ALFlorence, ALHuntsville, ALAuburn, ALPhenix City, AL

Sources & method. Hardiness zone: 2023 USDA Plant Hardiness Zone Map (PRISM Climate Group, Oregon State University). Frost dates & growing season: NOAA/NCEI 1991–2020 U.S. Climate Normals, nearest station with published freeze normals — Tuscaloosa Acfd, AL, 2.3 mi (confidence: high). Monthly weather normals: Tuscaloosa Acfd, AL, 2.3 mi (confidence: high). ZIP centroid from U.S. Census 2023 ZCTA data. Frost dates are the 50%-probability date — half of years frost occurs outside the stated date. Nothing here is invented; where the nearest station is far, we say so. Last updated 2026-07-22.