USDA Plant Hardiness Zone Map for the United States #1908452 (License: Personal Use)

The map displays 11 color-coded plant hardiness zones across the contiguous United States, Alaska, and Hawaii, corresponding to 10°F temperature intervals (e.g., Zone 1: below -50°F, Zone 11: above 40°F). Each zone reflects the average annual extreme minimum temperature, critical for selecting perennial plants that survive local winters. State boundaries are overlaid for geographic reference, and the legend on the right clarifies zone numbers and colors.

Used on gardening, agriculture, and horticulture websites to help users determine suitable plant species for their location; matches user intent for planning gardens, buying seeds/plants, or understanding regional climate suitability.