Climate change complicates plant choices and care. Early flowering and late freezes can kill flowers like these magnolia blossoms. Matt Kasson, CC BY-ND With the arrival of spring in North America, ...

The United States is divided into 13 different plant hardiness zones, each with "A" and "B" subdivisions. This is a number assigned to a plant that tells you how cold of a temperature the plant can ...

Question: My husband bought a few plants at a nursery recently. There was a tag describing the USDA Climate Zone. I live in Sonoma 9a, but I saw other zones mentioned such as 9b and 10. There was also ...

Question: How can I make sure I am buying landscape plants that are adapted to our climate? Answer: The U.S. Department of Agriculture has developed a climate zone map so we can select plants that are ...

In November, the U.S. Department of Agriculture released its latest version of the Hardiness Zone Map. This mapping system categorizes geographic regions according to their average annual minimum ...

Anyone who loves gardening knows the importance of understanding their area’s growing conditions. To help farmers and gardeners lay the foundation for their crops and gardens, the United States ...

As gardeners and farmers across the country decide which plants to grow this spring, many look to plant hardiness zones for guidance. The U.S. (including Alaska and Hawaii) is divided into 13 plant ...

Albert Van Dijk receives or has previously received funding from several government-funded agencies, grant schemes and programmes and undertakes occasional consultancies. Hylke Beck and Pablo Rozas ...