The trick is to know which are which - and this is where the US hardiness zones come in. The USDA has split the country into ...
California's diverse climate ranges from heat and droughts to cool weather and rain. Learn which plants to grow in your part ...
The United States Department of Agriculture (USDA) has released a new Plant Hardiness Zone Map (PHZM), the first update since 2012. The new map shows that most of the country, including New York ...