The USDA Hardiness Zone Map, the arbiter of cold hardiness for plants, underwent a massive revamping in November, throwing the gardening world into a bit of chaos. As a new gardening season dawns ...

Coos County is in zone 9A. The Sunset Western Garden Book bases its climate zones using many factors like cold, heat, humidity, wind, the proximity to the Pacific Ocean, snow cover and growing ...

The northshore was in zone 8b in the 2012 map, and the 2023 map now places this area in zone 9a. Indeed, zone 9a in Louisiana, which once reached no farther north than southern Avoyelles Parish ...

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.