INDIANA, USA — Indiana is now mostly a Zone 6 state (both a and b) according to the United States Department of Agriculture's latest plant hardiness zone map. It was updated in November 2023, so this ...

INDIANA, USA — New Plant Hardiness Zone maps updated by the US Department of Agriculture released this week show a drastically reduced Zone 5 throughout Indiana, while Zone 7 makes an appearance in ...

2023 USDA Plant Hardiness Zone Maps for Kentucky, Indiana and Ohio. 2 of 3 — IN300_HS.png. 2023 USDA Plant Hardiness Zone Maps for Kentucky, Indiana and Ohio. 3 of 3 — OH300_HS.png.

The plant hardiness map contains 13 zones, representing 10-degree-F ranges. Each zone is further subdivided into two half zones, a and b, representing 5-degree ranges. Zone 1 starts in Alaska, and ...

The best known map of hardiness zones reflects only the average annual (cold) minimum temperatures over the last 30 years. But plants are affected by both cold and hot extreme temperatures.

Half the country is now in a slightly warmer hardiness zone than they were a decade ago. These zones show an average of the coldest temperature on the coldest night every year for the past 30 years.

Plant hardiness zones have long been a useful guideline for ... the 8,000 that were used for the 2012 map. The maps highlighted 13 different zones around the ... in Indiana (Franklin, Fayette ...

The U.S. Department of Agriculture today released its new Plant Hardiness Zone Map, the national standard by which gardeners can determine which plants are most likely to survive the coldest ...

On Nov. 15, the U.S. Department of Agriculture released a revised version of its Plant Hardiness Zone Map. This map is what home gardeners, as well as professional growers, use to determine which ...

Hardiness zones represent the average annual extreme minimum temperature during a 30-year period. In zone 5a, the lowest temperature on average was between minus 15 and minus 20 degrees Fahrenheit.

The best known map of hardiness zones reflects only the average annual (cold) minimum temperatures over the last 30 years. But plants are affected by both cold and hot extreme temperatures. Just ...