What is the hardiness zone in anchorage AK?

Anchorage, Alaska, is primarily classified within USDA Hardiness Zones 3b to 4a. This means that the area can experience average minimum winter temperatures ranging from -35°F to -30°F (-37°C to -34°C). Gardeners in Anchorage need to select plants that can tolerate these cold temperatures and shorter growing seasons. The specific zone may vary based on microclimates within the city.