The United States is divided into 13 different plant hardiness zones, each with "A" and "B" subdivisions. This is a number assigned to a plant that tells you how cold of a temperature the plant can ...

Heat domes, atmospheric rivers, bomb cyclones, and polar vortex—you’re not crazy, the weather is. And last week, the USDA confirmed it by releasing an updated climate zone map for 2023. And for many ...

Growing zones, also referred to as hardiness zones, are geographical areas categorized based on average annual minimum winter temperatures in order to determine which plants are likely to thrive in a ...

PORTLAND, Ore. (KOIN) — Plant enthusiasts and gardeners alike should be aware of the changes made to the USDA’s plant hardiness zones. The hardiness zone update by the USDA is the first adjustment in ...