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Zone 2a Planting Calendar

Zone 2a describes winter cold, not the growing season — it is the average annual extreme minimum temperature, which tells you what survives the winter, not when to plant tomatoes. Across the 2 locations in this zone the last spring frost runs May 13 to May 13. Use a city below for real dates.

Where zone 2a shows up

LocationZoneLast spring frostFirst fall frostFrost-free days
Fairbanks, AK 2a May 13 Sep 13 123
Badger, AK 2a May 13 Sep 9 119

States with zone 2a ground

Alaska
Bottom line: zone 2a tells you what will survive your winter. It does not tell you when to plant — two zone-2a gardens in this list are 0 days apart on last frost.

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