The new map, created by USDA's Agricultural Research Service and Oregon State University, is based on 30 years of data from 13,412 weather stations, almost twice as many as the old map.

Compared to the 2012 map, the 2023 version shows that roughly half of the country shifted to the next warmer half zone, and the other half of U.S. remained in the same half zone.. According to the ...

New USDA ‘plant hardiness’ zoning map may help determine life or death of your perennials. Clara Migoya, Arizona Republic. Sat, December 9, 2023 at 1:01 PM UTC. 6 min read.

Boggs notes you can toggle between the 2012 and 2023 maps on the USDA's website. "There are dramatic changes," he says. There are 13 zones, each divided into A and B half zones.

The map and its zone system are designed to help gardeners and farmers understand a plant’s ability to survive the winter and thrive where they live. 1 weather alerts 1 closings/delays.

BRYAN, Texas (KBTX) - The USDA has recently released a new Plant Hardiness Zone Map for 2023 which shows the lowest average winter temperatures across the nation.

I grew up in the New York City area that the current map conveniently ranks as zone 7a — the same as my Louisville, KY garden. Yet the low-temperature record in New York is nearly 10 degrees ...

USDA’s new plant hardiness maps ‘won’t change much’ for Arkansas growers, UA professor says by Matt Campbell November 29, 2023 2:26 pm March 20, 2024 1:14 am. Share this: ...

New USDA map for gardeners, growers shows Iowa getting warmer. ... The new map puts them in Zone 5b, where the limit of tolerance is a slightly more hospitable minus-15 degrees.

The USDA's new Plant Hardiness Zone Map pushes about half of the country, Harrisburg area included, into a half-zone warmer rating, meaning our odds are increasing of growing once-iffy more ...

According to the USDA, the map is also based on 30-year averages of the lowest annual winter temperatures at the specific locations, and split into 10-degree and 5-degree zones and integrates data ...