6 Planting Zone in Anchorage Alaska with Map

Anchorage spans six USDA Hardiness Zones (4a-6b) with temperature extremes reaching -30°F (-34.4°C) in Zone 4b to 0°F (-17.8°C) in Zone 6a, per 2023 USDA data.

Most neighborhoods, including Abbott Loop and Spenard, lie in Zone 5a (-20°F to -15°F/-28.9°C to -26.1°C). Downtown areas, like Government Hill and West Anchorage, belong to Zone 5b (-15°F to -10°F/-26.1°C to -23.3°C).

Northern regions such as Eklutna Valley are in Zone 4b (-25°F to -20°F/-31.7°C to -28.9°C). The coastal community of Girdwood is in Zone 6a (-10°F to -5°F/-23.3°C to -20.6°C).

To verify your Anchorage, Alaska, USDA zone use our three tools given below: zipcode to planting zone search tool, interactive map, or planting zone table.

Anchorage Planting Zones by ZipCode

Anchorage Planting Zones Map

Select or type your Anchorage location in the selection box below to find its planting zone.

Anchorage Planting Zones Table

Download Anchorage Planting Zone Map