Alaska planting calendars
Planting calendars, USDA hardiness zones, and average frost dates for 144 Alaska locations (Adak, AK, Akiachak, AK, Alakanuk, AK, Alatna, AK, Alcan Border, AK, Aleknagik, AK, Ambler, AK, Anchorage, AK, Anchorage, AK, Anchorage, AK, Anchorage, AK, Anchorage, AK, and 132 more). Pick a location to see its zone, average last and first frost dates, growing-season length, and a printable per-crop planting calendar, all from public NOAA and USDA data.
Locations in Alaska
| Location | USDA zone | Last frost | First frost | Season (days) |
|---|---|---|---|---|
| Adak | 8b 15 to 20 °F | May 31 | Oct 5 | 128 |
| Akiachak | 3b −35 to −30 °F | May 21 | Sep 22 | 122 |
| Alakanuk | 4a −30 to −25 °F | Jun 5 | Sep 3 | 88 |
| Alatna | 1a −60 to −55 °F | May 22 | Aug 24 | 94 |
| Alcan Border | 2a −50 to −45 °F | May 26 | Sep 1 | 97 |
| Aleknagik | 4a −30 to −25 °F | May 26 | Sep 15 | 111 |
| Ambler | 2a −50 to −45 °F | Jun 5 | Sep 24 | 110 |
| Anchorage | 5a −20 to −15 °F | May 1 | Sep 29 | 150 |
| Anchorage | 5a −20 to −15 °F | May 9 | Sep 26 | 138 |
| Anchorage | 5a −20 to −15 °F | May 18 | Sep 23 | 125 |
| Anchorage | 5b −15 to −10 °F | May 1 | Sep 29 | 150 |
| Anchorage | 5a −20 to −15 °F | May 5 | Oct 1 | 147 |
| Anchorage | 5b −15 to −10 °F | May 18 | Sep 23 | 125 |
| Anchorage | 5a −20 to −15 °F | May 1 | Oct 3 | 156 |
| Anchorage | 5b −15 to −10 °F | May 1 | Oct 3 | 156 |
| Anchorage | 5b −15 to −10 °F | May 8 | Sep 29 | 142 |
| Anchorage | 5a −20 to −15 °F | May 21 | Sep 15 | 116 |
| Anderson | 2a −50 to −45 °F | May 24 | Sep 4 | 100 |
| Anderson | 2a −50 to −45 °F | May 15 | Sep 11 | 117 |
| Angoon | 7a 0 to 5 °F | Apr 29 | Oct 25 | 176 |
| Arctic | 1b −55 to −50 °F | May 25 | Aug 26 | 92 |
| Arctic | 3a −40 to −35 °F | May 25 | Aug 26 | 92 |
| Atqasuk | 2a −50 to −45 °F | Jun 10 | Sep 11 | 92 |
| Badger | 2a −50 to −45 °F | May 18 | Sep 5 | 110 |
| Beaver | 1a −60 to −55 °F | May 28 | Aug 26 | 87 |
| Big Lake | 4b −25 to −20 °F | May 1 | Sep 29 | 150 |
| Big Lake | 4a −30 to −25 °F | May 29 | Sep 7 | 100 |
| Brevig Mission | 3a −40 to −35 °F | Jun 5 | Sep 3 | 88 |
| Buckland | 2b −45 to −40 °F | Jun 5 | Sep 24 | 110 |
| Cantwell | 4a −30 to −25 °F | Jun 6 | Aug 25 | 77 |
| Central | 3b −35 to −30 °F | May 25 | Aug 26 | 92 |
| Chickaloon | 4b −25 to −20 °F | Jun 1 | Sep 6 | 98 |
| Chicken | 1b −55 to −50 °F | May 29 | Aug 23 | 86 |
| Chignik Lagoon | 6a −10 to −5 °F | May 11 | Oct 18 | 160 |
| Chignik Lake | 6b −5 to 0 °F | May 11 | Oct 18 | 160 |
| Chistochina | 2b −45 to −40 °F | Jun 4 | Sep 1 | 85 |
| Circle | 1a −60 to −55 °F | May 25 | Aug 26 | 92 |
| Coffman Cove | 8a 10 to 15 °F | Apr 29 | Oct 16 | 169 |
| Cohoe | 4b −25 to −20 °F | Jun 11 | Sep 1 | 75 |
| Cold Bay | 7a 0 to 5 °F | May 25 | Oct 4 | 131 |
| Coldfoot | 3a −40 to −35 °F | May 22 | Aug 24 | 94 |
| College | 2b −45 to −40 °F | May 18 | Sep 6 | 111 |
| Cooper Landing | 5a −20 to −15 °F | Jun 12 | Sep 1 | 78 |
| Crooked Creek | 3a −40 to −35 °F | May 13 | Sep 13 | 120 |
| Deering | 3a −40 to −35 °F | Jun 5 | Sep 24 | 110 |
| Dry Creek | 3a −40 to −35 °F | May 30 | Aug 24 | 84 |
| Eagle | 2b −45 to −40 °F | May 29 | Aug 23 | 86 |
| Egegik | 5a −20 to −15 °F | May 26 | Sep 15 | 111 |
| Eielson AFB | 2a −50 to −45 °F | May 20 | Sep 1 | 104 |
| Elfin Cove | 7a 0 to 5 °F | Apr 26 | Nov 1 | 188 |
| Ester | 3b −35 to −30 °F | May 15 | Sep 16 | 122 |
| Ester | 3b −35 to −30 °F | May 16 | Sep 8 | 114 |
| Excursion Inlet | 7a 0 to 5 °F | May 30 | Sep 16 | 107 |
| Fairbanks | 2a −50 to −45 °F | May 18 | Sep 6 | 111 |
| Funny River | 5a −20 to −15 °F | Jun 11 | Sep 1 | 75 |
| Galena | 1b −55 to −50 °F | May 18 | Sep 8 | 111 |
| Gambell | 4b −25 to −20 °F | Jun 5 | Sep 3 | 88 |
| Grayling | 3a −40 to −35 °F | May 25 | Sep 3 | 101 |
| Gustavus | 5b −15 to −10 °F | May 6 | Oct 10 | 154 |
| Halibut Cove | 6a −10 to −5 °F | May 10 | Sep 29 | 141 |
| Happy Valley | 6a −10 to −5 °F | May 16 | Sep 30 | 136 |
| Harding-Birch Lakes | 3b −35 to −30 °F | May 20 | Sep 1 | 104 |
| Healy | 2a −50 to −45 °F | Jun 6 | Aug 25 | 77 |
| Healy | 3b −35 to −30 °F | Jun 6 | Aug 25 | 77 |
| Healy Lake | 3b −35 to −30 °F | Jun 5 | Aug 21 | 75 |
| Hollis | 7b 5 to 10 °F | Apr 29 | Oct 16 | 169 |
| Holy Cross | 3a −40 to −35 °F | May 21 | Sep 22 | 122 |
| Huslia | 2a −50 to −45 °F | May 18 | Sep 8 | 111 |
| Hydaburg | 8a 10 to 15 °F | Apr 14 | Nov 1 | 201 |
| Hyder | 6b −5 to 0 °F | May 4 | Oct 11 | 157 |
| Igiugig | 4a −30 to −25 °F | May 10 | Oct 1 | 144 |
| Iliamna | 4b −25 to −20 °F | May 10 | Oct 1 | 144 |
| Juneau city and | 6a −10 to −5 °F | May 3 | Oct 14 | 164 |
| Juneau city and | 7a 0 to 5 °F | Apr 20 | Oct 22 | 183 |
| Kake | 7b 5 to 10 °F | Apr 21 | Oct 31 | 190 |
| Karluk | 7a 0 to 5 °F | May 5 | Oct 3 | 151 |
| Kobuk | 1b −55 to −50 °F | May 22 | Aug 24 | 94 |
| Kupreanof | 7b 5 to 10 °F | Apr 29 | Oct 17 | 169 |
| Lake Louise | 2b −45 to −40 °F | May 30 | Sep 4 | 95 |
| Lake Minchumina | 2b −45 to −40 °F | May 13 | Sep 17 | 124 |
| Lazy Mountain | 5a −20 to −15 °F | May 22 | Sep 16 | 114 |
| Lime | 3a −40 to −35 °F | May 12 | Sep 24 | 134 |
| Lime | 4a −30 to −25 °F | May 12 | Sep 24 | 134 |
| Livengood | 3b −35 to −30 °F | Jun 1 | Aug 28 | 87 |
| Loring | 7b 5 to 10 °F | Apr 22 | Oct 23 | 185 |
| McCarthy | 4b −25 to −20 °F | May 31 | Sep 3 | 95 |
| Mekoryuk | 5a −20 to −15 °F | May 21 | Sep 22 | 122 |
| Metlakatla | 8a 10 to 15 °F | Apr 4 | Oct 31 | 208 |
| Minto | 2a −50 to −45 °F | May 15 | Sep 16 | 122 |
| Moose Pass | 5a −20 to −15 °F | May 31 | Sep 8 | 99 |
| Nikolai | 2b −45 to −40 °F | May 30 | Sep 5 | 97 |
| Nikolski | 8b 15 to 20 °F | May 6 | Oct 18 | 164 |
| Ninilchik | 5b −15 to −10 °F | May 16 | Sep 30 | 136 |
| Nulato | 2a −50 to −45 °F | May 25 | Sep 3 | 101 |
| Old Harbor | 7b 5 to 10 °F | May 5 | Oct 3 | 151 |
| Pedro Bay | 4b −25 to −20 °F | May 12 | Sep 24 | 134 |
| Pelican | 7a 0 to 5 °F | May 4 | Oct 19 | 167 |
| Platinum | 4b −25 to −20 °F | May 21 | Sep 22 | 122 |
| Pleasant Valley | 3b −35 to −30 °F | May 30 | Sep 2 | 95 |
| Point Hope | 3a −40 to −35 °F | Jun 10 | Sep 11 | 92 |
| Point Lay | 2b −45 to −40 °F | Jun 10 | Sep 11 | 92 |
| Point MacKenzie | 5b −15 to −10 °F | May 5 | Sep 29 | 147 |
| Point Possession | 5a −20 to −15 °F | Jun 1 | Sep 8 | 94 |
| Port Alexander | 8a 10 to 15 °F | Apr 18 | Nov 5 | 198 |
| Port Heiden | 5b −15 to −10 °F | May 26 | Sep 15 | 111 |
| Port Protection | 8a 10 to 15 °F | Apr 19 | Oct 25 | 187 |
| Prudhoe Bay | 2a −50 to −45 °F | May 22 | Aug 24 | 94 |
| Rampart | 1b −55 to −50 °F | May 29 | Aug 28 | 89 |
| Sand Point | 7b 5 to 10 °F | May 11 | Oct 18 | 160 |
| Seldovia | 6b −5 to 0 °F | May 10 | Oct 1 | 145 |
| Seward | 5b −15 to −10 °F | May 2 | Oct 7 | 158 |
| Shungnak | 1b −55 to −50 °F | Jun 5 | Sep 24 | 110 |
| Sitka city and | 7b 5 to 10 °F | Apr 12 | Nov 1 | 201 |
| Skagway | 5a −20 to −15 °F | Apr 21 | Oct 17 | 176 |
| Skwentna | 4b −25 to −20 °F | Jun 2 | Sep 8 | 98 |
| Sleetmute | 2b −45 to −40 °F | May 13 | Sep 13 | 120 |
| South Naknek | 4b −25 to −20 °F | May 26 | Sep 15 | 111 |
| St. George | 7a 0 to 5 °F | May 31 | Oct 5 | 128 |
| St. Michael | 3b −35 to −30 °F | May 25 | Sep 3 | 101 |
| St. Paul | 6b −5 to 0 °F | Jun 4 | Sep 28 | 114 |
| Stebbins | 3b −35 to −30 °F | Jun 5 | Sep 3 | 88 |
| Sterling | 4b −25 to −20 °F | May 24 | Sep 12 | 110 |
| Stevens | 1a −60 to −55 °F | May 15 | Sep 16 | 122 |
| Takotna | 2a −50 to −45 °F | May 13 | Sep 13 | 120 |
| Tanacross | 1b −55 to −50 °F | Jun 3 | Aug 27 | 79 |
| Tanana | 3a −40 to −35 °F | May 29 | Aug 28 | 89 |
| Tatitlek | 5a −20 to −15 °F | May 16 | Oct 3 | 139 |
| Tatitlek | 8a 10 to 15 °F | Apr 30 | Oct 2 | 157 |
| Thorne Bay | 7b 5 to 10 °F | May 1 | Oct 13 | 166 |
| Tonsina | 4b −25 to −20 °F | Apr 30 | Oct 2 | 157 |
| Trapper Creek | 4b −25 to −20 °F | May 16 | Sep 16 | 122 |
| Tuntutuliak | 4a −30 to −25 °F | May 21 | Sep 22 | 122 |
| Tyonek | 4b −25 to −20 °F | May 7 | Oct 7 | 151 |
| Ugashik | 5a −20 to −15 °F | Jun 9 | Sep 11 | 93 |
| Unalaska | 8a 10 to 15 °F | May 6 | Oct 18 | 164 |
| UtqiagÌvik | 2b −45 to −40 °F | May 22 | Aug 24 | 94 |
| Valdez | 5a −20 to −15 °F | Apr 30 | Oct 2 | 157 |
| Venetie | 2b −45 to −40 °F | May 25 | Aug 26 | 92 |
| Wasilla | 5a −20 to −15 °F | May 14 | Sep 20 | 127 |
| Whitestone Logging Camp | 7a 0 to 5 °F | May 9 | Oct 4 | 145 |
| Whittier | 7a 0 to 5 °F | May 20 | Oct 9 | 142 |
| Willow | 3b −35 to −30 °F | May 29 | Sep 7 | 100 |
| Wrangell city and | 7b 5 to 10 °F | Apr 11 | Nov 1 | 202 |
| Yakutat | 6b −5 to 0 °F | May 20 | Sep 23 | 124 |
Data: NOAA NCEI U.S. Climate Normals 1991–2020 (public domain) and USDA Plant Hardiness Zone Map 2023. Planting windows synthesized from U.S. Cooperative Extension guides.
More ways to explore
Browse by USDA hardiness zone, see when to plant common crops, or read the methodology behind every figure. This site lists 144 Alaska locations, mapping every ZIP in the state to its nearest weather station with a full 30-year record.