21 Best Trees Suitable For USDA Hardiness Zone 1
USDA Hardiness Zone 1 is the coldest growing zone in the United States, with average minimum winter temperatures below -50°F (-45.6°C). Winters are extremely long, harsh, and dominated by ice and snow, while summers are very short and cool. Only the hardiest of plants can survive in this zone, and gardeners must focus on species … Read more