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Basil Growing Season for Alabama

The NOAA National Climatic Data Center provides information to the public about spring and fall frost dates in the United States and the length of the expected growing season for each area. These statistics are calculated using data collected from 1971 to 2000, across 4300 weather stations located in every part of the country.

While informative, the statistics that NOAA provides is overwhelming. So, we took the liberty of extracting the most basic information that we feel would be useful to someone interested in growing basil outdoors.

The table below lists the date after which it should be safe to plant basil outdoors in each area of the state. This information is based on NOAA’s calculations for a 10% probability of temperatures falling below 36 degrees Fahrenheit. This means that, on average, there is only a 10% chance that you will see frost after this date. Also listed is the estimated length of the growing season. This is how many days you can expect to have before the risk of frost is greater than 10%.

Please use this information at your own risk. You must take into consideration many varying factors, for example, micro-climates or the presence of valleys and bodies of water, to determine your actual growing season.

StateCountyLast Frost DateLength of Growing Season
ALBaldwin3/31225
ALBarbour4/18186
ALBlount5/01164
ALBullock4/17186
ALButler4/17195
ALCalhoun4/22181
ALChambers4/26170
ALChilton4/27174
ALClarke4/13196
ALClay5/01163
ALCleburne5/14147
ALCoffee4/16203
ALColbert4/22177
ALConecuh4/14199
ALCoosa4/28172
ALCovington4/28167
ALCrenshaw4/17193
ALCullman5/11150
ALDallas4/13199
ALDekalb5/21132
ALEscambia4/26172
ALEtowah4/22177
ALFayette4/30161
ALFranklin5/07154
ALGreene4/15190
ALHale4/22185
ALHenry4/16190
ALJackson5/07156
ALJefferson4/24176
ALLamar5/08153
ALLawrence4/30169
ALLee5/02167
ALLimestone4/24174
ALMadison4/24175
ALMarengo4/18189
ALMarion5/16141
ALMarshall4/25176
ALMobile4/08209
ALMonroe4/12205
ALMontgomery4/19188
ALPickens4/24174
ALPike4/16198
ALRandolph4/30162
ALSumter4/15190
ALTalladega5/07160
ALTallapoosa5/05157
ALTuscaloosa4/22182
ALWalker5/08150
ALWashington4/20179
ALWilcox4/22179
ALWinston4/23172