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. For ...

At the National Trust's Overbeck's Garden in Devon, England, three massive plants have burst into bloom for the first time. While gardeners say it's "exciting," it does not bode well for the plant.

Within zone 8, recommended plants are those that are able to withstand winter temperatures within a 10 degrees to 20 degrees Fahrenheit range. Zones 9 and 10 encompass areas that are warmer and ...

Most of the Portland area — and much of the Willamette Valley — remained in zone 8b, which indicates the average coldest temperature is in the 15-20-degree Fahrenheit range.

Those 31,500 plants belonged to 257 taxa, or types of plants. Some 19% of them are considered rare, or hard to find in the wild.

Plants rated for 9b could be damaged below a range between 25 to 30 °F and 20-25 °F for 9a. The map is divided into 13 zones, with Zone 1 being the coldest and Zone 13 being the warmest.

Nationally, The Conversation reports: “Comparing the 2023 map to the previous version from 2012 clearly shows that as climate change warms the Earth, plant hardiness zones are shifting northward ...

Generally, the USDA zone is listed on most plants, but remember that this does not take rainfall, humidity, heat and other critical factors into account. When in doubt, go with a native plant. 4.