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Alaska Planting Calendar

Alaska spans USDA zones 2a, 4a, 5a, 5b, 7a, 7b, 8a. Last spring frost runs from April 22 to June 5 depending on where you are, which is weeks of difference — so pick the location nearest you rather than planting to a statewide date.

Frost dates by location

LocationZoneLast spring frostFirst fall frostFrost-free days
Anchorage 5b May 5 Oct 1 149
Bethel 4a May 21 Sep 22 124
Fairbanks 2a May 13 Sep 13 123
Juneau 7a May 4 Oct 3 152
Ketchikan 8a Apr 22 Oct 23 184
Kodiak 7b May 5 Oct 3 151
Nome 4a Jun 5 Sep 3 90
Eagle River 5a May 11 Sep 24 136
Badger 2a May 13 Sep 9 119

Zones in Alaska

Zone 2a Zone 4a Zone 5a Zone 5b Zone 7a Zone 7b Zone 8a
Bottom line: a statewide planting date is a compromise nobody's garden actually lives at. Alaska's last-frost spread is 44 days wide. Use the location nearest you.

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