When to plant tomatoes in Alaska depends on where you live in Alaska. Follow the directions below to know when to start growing Tomatoes in Alaska.

WHEN TO PLANT TOMATOES in ALASKA – General guidelines based on your zone.

ZoneZone CoverageWhen to plant
Zone A1Alaska's coldest climate - Fairbanks and the interiorMay or early June
Zone A2Intermediate climate of Anchorage and Cook InletMay or early June
Zone A3Mild maritime climate from Kodiak to Juneau and Prince RupertMay or early June
Zone 4Cold-winter areas of the north coast and mild-winter areas of Alaska and British ColumbiaMay or early June

If you are interested in another state, check When to Plant Tomatoes in the United States.

WHEN TO PLANT TOMATOES in ALASKA – Specific Dates based on where you live in Alaska

To successfully grow tomatoes in Alaska:

  1. Plant your tomatoes no sooner than the last frost date in your city or region (LAST FROST DATE IN ALASKA in table below)
  2. The first frost will kill your tomato plants, so make sure your tomato crop is done by the time the first frost happens (FIRST FROST DATE IN ALASKA in table below). Or else you may end up growing tomatoes just for foliage value!
  3. The variety of tomatoes you plant should come with the number of days to maturity, which is the number of days necessary for the plant to start producing. Make sure that you choose varieties that will have enough time to mature and produce before the first frost kills the tomato plant.  For instance, if you choose a tomato variety that matures in 90 days and you expect 30 days of tomato production, you need to make sure you live in an area that has at least 120 days between the last frost date and the first frost date (MAX NUMBER OF DAYS FOR TOMATO SEASON in table below).
WHEN TO PLANT TOMATOES IN ALASKA CITIESLAST FROST DATE IN ALASKAFIRST FROST DATE IN ALASKAMAX NUMBER OF DAYS FOR TOMATO SEASON
ANCHORAGE INTL AP19 May07 Oct141
ANDERSON LAKE17 Jun02 Oct107
ANNETTE AP02 May11 Nov193
AUKE BAY19 May31 Oct165
BARROW AP01 Aug21 Aug20
BEAVER FALLS07 May15 Nov192
BENS FARM04 Jun28 Sep116
BETHEL AP10 Jun28 Sep110
BETTLES AP22 Jun09 Sep79
BIG DELTA ALLEN AAF07 Jun10 Sep95
COLD BAY AP11 Jun20 Oct131
COLLEGE OBSERVATORY07 Jun13 Sep98
COLLEGE 5 NW27 May23 Sep119
COOPER LAKE PROJECT10 Jun09 Oct121
CORDOVA AP01 Jun29 Sep120
EIELSON FIELD26 May15 Sep112
ELFIN COVE13 May16 Nov187
FAIRBANKS INTL AP23 May21 Sep121
GLACIER BAY20 May26 Oct159
GLEN ALPS16 Jun28 Sep104
GLENNALLEN KCAM03 Aug19 Aug16
GULKANA AP03 Jul31 Aug59
HOMER AP05 Jun08 Oct125
ILIAMNA AP01 Jun05 Oct126
INTRICATE BAY06 Jul17 Sep73
JUNEAU INTL AP24 May22 Oct151
KENAI MUNICIPAL AP10 Jun26 Sep108
KING SALMON AP13 Jun29 Sep108
KITOI BAY03 Jun10 Oct129
KOTZEBUE WIEN AP21 Jun03 Oct104
LITTLE PORT WALTER21 May14 Nov177
MATANUSKA AES30 May30 Sep123
MCGRATH AP02 Jun15 Sep105
MCKINLEY PARK11 Jul01 Sep52
NOME AP02 Jul19 Sep79
NORTH POLE14 Jun02 Sep80
NORTHWAY AP11 Jun08 Sep89
OUZINKIE13 Jul30 Aug48
PALMER IAS25 May06 Oct134
PORT ALSWORTH02 Jul26 Sep86
PUNTILLA26 Jul30 Aug35
ST PAUL ISLAND AP07 Jul07 Oct92
SEWARD24 May19 Oct148
SITKA JAPONSKI AP29 Apr18 Nov203
SNOWSHOE LAKE07 Aug18 Aug11
TALKEETNA AP03 Jun24 Sep113
TANANA AP27 Jun08 Sep73
TOK02 Aug22 Aug20
TONSINA24 Jul23 Aug30
UNIVERSITY EXP STA10 Jun09 Sep91
VALDEZ15 May12 Oct150
WASILLA 3 S10 Jun24 Sep106
WHITES CROSSING17 Jun15 Sep90
WRANGELL AP26 May12 Nov170
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