When to plant in Kearny, NJ
USDA Zone 7bHere are the average frost dates, USDA hardiness zone, and a month-by-month planting calendar for Kearny, New Jersey — all computed from Kearny's nearest NOAA weather station.
In zone 7b, Kearny 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 Kearny’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 Kearny, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 12 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.
Kearny planting FAQ
When is the last spring frost in Kearny, NJ?
Kearny's average last spring frost falls near April 4 — the 50% mark at 32°F in the 1991–2020 normals. Hold tender transplants until the risk has passed, then plant out.
When is the first fall frost in Kearny, NJ?
The first fall frost in Kearny typically arrives around November 6 (50% probability at 32°F). Harvest or protect frost-sensitive crops before then.
What hardiness zone is Kearny in?
Kearny 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 Kearny?
Kearny 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 Kearny?
For Kearny, 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 Kearny
An email when it’s time to start seeds, transplant, and sow — timed to Kearny’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Harrison · 3 km
- North Arlington · 4 km
- Newark · 5 km
- Secaucus · 6 km
- Jersey City · 7 km
- East Orange · 8 km
- Rutherford · 8 km
- Union City · 8 km
Frost dates recorded at HARRISON, 2 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 Kearny, NJ — Frost Dates & Zone 7b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00283704. Retrieved from https://blissgarden.com/new-jersey/kearny.