Many gardeners are familiar with the USDA's garden zone maps. They help us know which plants to put in our backyards. They are determined by examining rainfall patterns, sunshine and temperature.

The map below shows how the National Arbor Day Foundation has updated the map to reflect recent trends. This shows clearly how global warming is affecting the plants that we can plant in our backyards.

How is global warming hurting my garden? (This PDF is 287 Kb in size. Do you need PDF help?)