When to plant sweet corn in Alaska
Alaska spans USDA zones 2a–6a, so the right time to plant sweet corn shifts by weeks across the state. The window to sow seed directly outdoors runs from about May 3 in Juneau city and to May 22 in Badger — below are local dates for 7 cities, each computed from its own frost dates.
| City | Zone | Last frost | First frost | Direct sow |
|---|---|---|---|---|
| Anchorage | 5a | May 16 | September 20 | May 16 – May 30 |
| Fairbanks | 2a | May 16 | September 6 | May 16 – May 30 |
| Juneau city and | 6a | May 3 | October 14 | May 3 – May 17 |
| Knik-Fairview | 5a | May 18 | September 20 | May 18 – June 1 |
| Badger | 2a | May 22 | September 2 | May 22 – June 5 |
| College | 2b | May 18 | September 6 | May 18 – June 1 |
| North Lakes | 5a | May 16 | September 23 | May 16 – May 30 |
Sweet Corn in Alaska: FAQ
When can I plant sweet corn in Alaska?
Across Alaska, the time to direct-sow sweet corn spans roughly May 3 in Juneau city and to May 22 in Badger, each following that city's local frost dates.
Does the sweet corn planting date vary across Alaska?
Yes. Alaska publishes 7 cities with their own frost dates, so the right sweet corn planting window shifts by weeks between the warmest and coldest parts of the state — use your city's page for the exact dates.
How long does sweet corn take to grow in Alaska?
Sweet Corn takes about 60–90 days to reach harvest once planted — check that this fits inside your city's frost-free season on its place page.
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