When to plant jerusalem artichoke (sunchoke) in New Jersey
New Jersey spans USDA zones 6b–8a, so the right time to plant jerusalem artichoke (sunchoke) shifts by weeks across the state. The window to transplant seedlings outdoors runs from about February 26 in Atlantic City to April 2 in Hillsborough — below are local dates for 158 cities, each computed from its own frost dates.
| City | Zone | Last frost | First frost | Transplant out |
|---|---|---|---|---|
| Newark | 7b | April 4 | November 6 | March 7 – March 21 |
| Jersey City | 7b | April 4 | November 6 | March 7 – March 21 |
| Paterson | 7a | April 15 | October 28 | March 18 – April 1 |
| Elizabeth | 7b | April 2 | November 10 | March 5 – March 19 |
| Toms River | 7a | April 23 | October 20 | March 26 – April 9 |
| Trenton | 7a | April 17 | October 28 | March 20 – April 3 |
| Clifton | 7a | April 15 | October 28 | March 18 – April 1 |
| Bayonne | 7b | April 2 | November 10 | March 5 – March 19 |
Jerusalem Artichoke (Sunchoke) in New Jersey: FAQ
When can I plant jerusalem artichoke (sunchoke) in New Jersey?
Across New Jersey, the time to transplant jerusalem artichoke (sunchoke) spans roughly February 26 in Atlantic City to April 2 in Hillsborough, each following that city's local frost dates.
Does the jerusalem artichoke (sunchoke) planting date vary across New Jersey?
Yes. New Jersey publishes 158 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 New Jersey?
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.