Tag Archives: USDA Zone Map

2023 USDA Plant Hardiness Zone Map

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Click the link below to check if your USDA Plant Hardiness Zone assignment has changed; search by zip code. Half of the USA has been reclassified. In 1990 Ashland Oregon was Zone 7b: 5°F to 10°F, but in 2023 Ashland is now Zone 8a 10°F to 15°F. Knowing your zone is important for plant survival in your area.

https://planthardiness.ars.usda.gov/

Below is a link to ‘A Way To Garden’ interview with Todd Rounsaville, USDA horticulturist and research scientist, where he explains this new USDA Zone map.

new usda plant hardiness zone map, with todd rounsaville

Below is a link to an Interesting 2018 article from Yale Environment 360 on how fast climate zones are shifting.

https://e360.yale.edu/features/redrawing-the-map-how-the-worlds-climate-zones-are-shifting