Black farmers made up only 1.4% of the nation's 3.4 million producers, according to the 2017 Census for Agriculture, the latest federal dataset on American farmland demographics.

The most recent edition of the map until now was published in 2012 and put Duval County in Zone 9A. The average annual extreme low temperature for 9A is 20 to 25 degrees Fahrenheit.

The United States Department of Agriculture (USDA) recently released its updated Plant Hardiness Zone Map. The USDA Plant Hardiness Zone Map uses weather data to map average annual extreme minimum ...

According to the USDA, the map is also based on 30-year averages of the lowest annual winter temperatures at the specific locations, and split into 10-degree and 5-degree zones and integrates data ...

The 2023 USDA Plant Hardiness Zone Map, which helps determine what plants are most likely to survive harsh temperatures, divides the country into 13 zones, each representing a band of 10 degrees ...