Tag Archives: USDA Hardiness Zone Map

Using the USDA Hardiness Zone Map

I have written an article same time last year describing the effects that freezing temperature has on vegetation, and recent freeze events prompts me to bring up a common tool we use to choose our landscape plants that is related to annual low temperature: United States Department of Agriculture Plant Hardiness Zone Map. I often have clients refer to the USDA Plant Hardiness Zone Map when thinking of purchasing garden plants. The department developed the map to define the mean minimum temperatures for areas within the continental and… Read More →