The maps look at the extreme lowest minimum temperature experienced in a particular location over a 30-year time frame, with the new map based on 1991 to 2020. The maps are divided into zones in ...

The online map displays 13 zones for the country, each divided by 10 degrees Fahrenheit of difference, moving from coldest to warmest. Each zone also has half-zones, with 5 degrees of difference.

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. On average, the coldest days of winter ...

Detroit's zone didn't change from the 2012 map, remaining Zone 6b, an extreme minimum winter temperature of -5 degrees to 0. But the 6b zone expanded farther north into the Detroit suburbs, Daly said.

The Plant Hardiness Zone Map is the standard by which gardeners, growers and Nashville landscaping company Gardens of Babylon can determine which perennial plants are most likely to thrive.

The U.S. Department of Agriculture unveiled its long-awaited update of its 1990 U.S. Plant Hardiness Zone Map Thursday at the National Arboretum in Washington. The map, which was revised to ...

These impressive zone 6 perennials are easy to grow and offer loads of eye-catching garden flair. The post Gorgeous Zone 6 Perennials to Grow Now appeared first on The Luxury Spot.

AUSTIN (KXAN) — The USDA recently updated their Plant Hardiness Zone Maps (PHZM) to reflect the latest 30-year averages published by the National Weather Service. This map looks at the average ...

Well, there is now a new, 2023 Plant Hardiness Zone map. It again shows improvement. It now turns out that most of us who garden in Alaska do so in Zone 5b.

This month, the USDA announced the newest iteration of its Plant Hardiness Zone Map; it offers a guide for gardeners and growers to determine which perennial plants will survive the winter.

Colorado gardeners eyeing warmer USDA growing zones should be careful, experts say The map was updated for the first time since 2012, but don’t load up on heat-loving perennials just yet ...