When to plant jerusalem artichoke (sunchoke) in Alaska
Alaska spans USDA zones 2a–6a, so the right time to plant jerusalem artichoke (sunchoke) shifts by weeks across the state. The window to transplant seedlings outdoors runs from about April 5 in Juneau city and to April 24 in Badger — below are local dates for 7 cities, each computed from its own frost dates.
| City | Zone | Last frost | First frost | Transplant out |
|---|---|---|---|---|
| Anchorage | 5a | May 16 | September 20 | April 18 – May 2 |
| Fairbanks | 2a | May 16 | September 6 | April 18 – May 2 |
| Juneau city and | 6a | May 3 | October 14 | April 5 – April 19 |
| Knik-Fairview | 5a | May 18 | September 20 | April 20 – May 4 |
| Badger | 2a | May 22 | September 2 | April 24 – May 8 |
| College | 2b | May 18 | September 6 | April 20 – May 4 |
| North Lakes | 5a | May 16 | September 23 | April 18 – May 2 |
Jerusalem Artichoke (Sunchoke) in Alaska: FAQ
When can I plant jerusalem artichoke (sunchoke) in Alaska?
Across Alaska, the time to transplant jerusalem artichoke (sunchoke) spans roughly April 5 in Juneau city and to April 24 in Badger, each following that city's local frost dates.
Does the jerusalem artichoke (sunchoke) planting date vary across Alaska?
Yes. Alaska publishes 7 cities with their own frost dates, so the right jerusalem artichoke (sunchoke) 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 jerusalem artichoke (sunchoke) take to grow in Alaska?
Jerusalem Artichoke (Sunchoke) takes about 110–150 days to reach harvest once planted — check that this fits inside your city's frost-free season on its place page.
Never miss a window in your area
An email when it’s time to start seeds, transplant, and sow — timed to your frost dates. Double opt-in, one-click unsubscribe, no spam.