Also, Native Plants for Southwestern Landscapes
I recently noted that the USDA had adjusted the Zones in 2023. So an older source may show an area colder than is currently projected. Here is a link to the zone maps. https://planthardiness.ars.usda.gov/
I recently noted that the USDA had adjusted the Zones in 2023. So an older source may show an area colder than is currently projected. Here is a link to the zone maps. https://planthardiness.ars.usda.gov/