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Basil Growing Season for Virginia

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
VAAccomack5/07159
VAAlbemarle4/28168
VAAlleghany6/01118
VAAmelia5/13142
VAAppomattox5/13143
VAArlington4/20185
VAAugusta5/31119
VABath6/02115
VABedford5/12149
VABotetourt5/19138
VABrunswick5/19136
VABuchanan5/19141
VACampbell5/16134
VACaroline5/21137
VACarroll6/02113
VACharlotte5/19136
VACumberland5/13145
VAFairfax5/12168
VAFauquier5/17141
VAFloyd6/1190
VAFluvanna5/17140
VAFranklin5/17139
VAFrederick5/27118
VAGiles6/02116
VAHampton4/17194
VAHanover5/13144
VAHenrico5/07160
VAHenry5/26128
VAKing And Queen5/13144
VAKing William5/08149
VALee5/29116
VALoudoun5/21129
VALouisa5/24127
VAMadison6/1691
VAMathews4/28172
VAMecklenburg5/11151
VAMontgomery6/01111
VANelson5/14144
VANew Kent5/08149
VANorfolk (City)4/19191
VAOrange5/11148
VAPage6/01118
VAPatrick5/14146
VAPittsylvania5/04161
VAPrince George5/05160
VAPulaski6/06112
VARichmond5/07154
VARoanoke5/14140
VARockbridge6/06112
VARockingham5/26122
VAShenandoah5/19126
VASmyth6/10101
VASuffolk5/04155
VASussex5/12145
VATazewell6/2378
VAVirginia Beach4/22187
VAWashington6/02120
VAWestmoreland4/28166
VAWise5/26128
VAWythe6/08105
VAYork5/07158