Tag Archives: USDA planting zones

Gilmour’s Interactive U.S. Planting Zone Map for 2018

Posted on May 22, 2018 by Denise

“Planting zones are broken down into thirteen areas, also known as USDA zones, which cover the entire United States, including Hawaii, Alaska and Puerto Rico. Each agricultural zone covers a 10-degree range. Zone 1 is the coldest, with an average … Continue reading →