Up to now, most of central Pennsylvania has fallen into Zone ... their exact hardiness zone by going to the USDA 2023 Plant Hardiness Zone Map website and typing in their Zip code.

And last week, the USDA confirmed it by releasing an updated climate zone map for 2023. And for many gardeners, that means a change in growing zones. The map of the US is divided into zones ...

Zone 1a represents -60 degrees ... the vice president of horticulture for the Pennsylvania Horticultural Society and a consultant on the new map, said climate change is a factor.

but the US Department of Agriculture’s plant hardiness zone map is used by millions of growers to help determine which plants are likely to thrive in a location. This first version was released in the ...