When to plant in Jersey City, NJ
USDA Zone 7bHere are the average frost dates, USDA hardiness zone, and a month-by-month planting calendar for Jersey City, New Jersey — all computed from Jersey City's nearest NOAA weather station.
In zone 7b, Jersey City supports a wide range of perennials year-round; the frost dates above are what set your annual vegetable timing.
Frost probability
HARRISON · 1991–2020The date the last spring and first fall frost occur, by threshold and probability. A 90% date is later in spring — and earlier in fall — than a 10% date; the 50% · 32°F row is what most gardeners plan around. These are Jersey City’s own odds, recorded at HARRISON.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | May 2 | Apr 16 | Apr 4 | Oct 12 | Oct 27 | Nov 9 |
| 32°F | Apr 16 | Apr 4 | Mar 23 | Oct 25 | Nov 6 | Nov 22 |
| 28°F | Apr 5 | Mar 26 | Mar 11 | Nov 5 | Nov 19 | Dec 5 |
Download this table as CSV ↓ — every threshold and probability, plus this city’s planting-window dates.
What to plant now
TODAY · JULY 19Full-year planting calendar
Each bar is the exact window to take a planting action in Jersey City, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 11 km · complete 32°F normalsWhen stations disagree by more than a few days, that spread is real microclimate variation — elevation, water, urban heat. Judge which station best matches your own yard.
Jersey City planting FAQ
When is the last spring frost in Jersey City, NJ?
On average, the last spring frost in Jersey City is around April 4 (50% probability at 32°F, from 1991–2020 NOAA normals). Wait until after this date to set out tender plants like tomatoes and peppers.
When is the first fall frost in Jersey City, NJ?
The first fall frost in Jersey City typically arrives around November 6 (50% probability at 32°F). Harvest or protect frost-sensitive crops before then.
What hardiness zone is Jersey City in?
Jersey City is in USDA hardiness zone 7b. In zone 7b, winters are moderate — most common vegetables grow well in season.
How long is the growing season in Jersey City?
Jersey City has about 216 frost-free days — a long growing season — between the average last spring frost (April 4) and first fall frost (November 6).
When should I plant tomatoes in Jersey City?
For Jersey City, sow tomatoes indoors about February 7–February 21 and move the seedlings out around April 11, after the last spring frost.
Never miss a window in Jersey City
An email when it’s time to start seeds, transplant, and sow — timed to Jersey City’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Hoboken · 5 km
- Bayonne · 7 km
- Kearny · 7 km
- Union City · 7 km
- Secaucus · 8 km
- Harrison · 8 km
- Newark · 9 km
- West New York · 10 km
Frost dates recorded at HARRISON, 8 km from the city center · 1991–2020 NOAA climate normals · zone from the USDA/PRISM 2023 map. How we compute this.
BlissGarden. "When to Plant in Jersey City, NJ — Frost Dates & Zone 7b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00283704. Retrieved from https://blissgarden.com/new-jersey/jersey-city.