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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 ...

As you browse the garden and seed catalogs that are starting to arrive in your mailbox and read the details in the plant descriptions, you may wonder if a certain plant that really appeals to you will ...

If, as the saying goes, knowledge is power, how do we characterize knowledge that misses the mark ... you know, what one former US president inarticulately termed misunderstandimation? Like any field, ...

While most Canadians are winding down their gardens for the year, green thumbs in Ontario planning ahead for next year may have some new options under updated growing zones. Canada’s plant hardiness ...

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.

How can I make sure landscape plants I choose are adapted to our climate? The U.S. Department of Agriculture has developed a climate zone map to help with plant selection. The “Sunset Western Garden ...

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, ...