The USDA plant hardiness zone map
The zones stated in Fine Gardening are based on several sources and should be treated as general guidelines when selecting plants for your garden. Many other factors may come into play in determining healthy plant growth. Micro-climates, wind, soil type, soil moisture, humidity, snow, and winter sunshine may greatly affect the adaptability of plants. For more information and to zoom in on your area, visit the map at the USDA Website:
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