Sometimes called “growing zones” or “gardening zones,” hardiness zones refer to a map developed by the USDA that separates the United States into regions based on the average low winter temperatures.

The USDA’s winter hardiness zone map has long been the standard used by home gardeners, plant breeders and researchers to determine which plants are most likely to thrive in their location, based on ...

The United States Department of Agriculture released an updated version of last year's Plant Hardiness Map to offer a guide for gardeners to understand which plants can survive and thrive based on the ...

Gardeners will have an updated roadmap to help them plan next year as Natural Resources Canada has released an update to its plant hardiness zones map. The last map came out in 2014 and, since then, ...

Low temperature is a crucial factor in the survival of plants at specific locations, but it's not the only thing for gardeners to keep in mind when selecting plants and locations for them to grow.

Gemma is an experienced freelance writer who has spent the last five years focusing on expert-driven content relating to homes and gardens. She has contributed to several lifestyle publications ...

With spring on the horizon, many gardeners are preparing for prolonged, hearty growing seasons in their region. The United States has a diverse ecological footprint, so growing seasons differ slightly ...

In the news recently, the U.S. Department of Agriculture revised its plant hardiness zone map for the first time in more than a decade. As always, this is a hot topic in horticultural circles. What is ...