When to plant radish in New Jersey
New Jersey spans USDA zones 6b–8a, so the right time to plant radish shifts by weeks across the state. The window to sow seed directly 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 | Direct sow |
|---|---|---|---|---|
| Newark | 7b | April 4 | November 6 | March 7 – April 18 |
| Jersey City | 7b | April 4 | November 6 | March 7 – April 18 |
| Paterson | 7a | April 15 | October 28 | March 18 – April 29 |
| Elizabeth | 7b | April 2 | November 10 | March 5 – April 16 |
| Toms River | 7a | April 23 | October 20 | March 26 – May 7 |
| Trenton | 7a | April 17 | October 28 | March 20 – May 1 |
| Clifton | 7a | April 15 | October 28 | March 18 – April 29 |
| Bayonne | 7b | April 2 | November 10 | March 5 – April 16 |
Radish in New Jersey: FAQ
When can I plant radish in New Jersey?
Across New Jersey, the time to direct-sow radish spans roughly February 26 in Atlantic City to April 2 in Hillsborough, each following that city's local frost dates.
Does the radish planting date vary across New Jersey?
Yes. New Jersey publishes 158 cities with their own frost dates, so the right radish 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 radish take to grow in New Jersey?
Radish takes about 22–30 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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