When to plant in Franklin Park, NJ
USDA Zone 7aHere are the average frost dates, USDA hardiness zone, and a month-by-month planting calendar for Franklin Park, New Jersey — all computed from Franklin Park's nearest NOAA weather station.
In zone 7a, Franklin Park supports a wide range of perennials year-round; the frost dates above are what set your annual vegetable timing.
Frost probability
NEW BRUNSWICK 3 SE · 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 Franklin Park’s own odds, recorded at NEW BRUNSWICK 3 SE.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | May 14 | Apr 29 | Apr 14 | Oct 3 | Oct 14 | Oct 30 |
| 32°F | May 1 | Apr 15 | Apr 2 | Oct 11 | Oct 26 | Nov 8 |
| 28°F | Apr 17 | Apr 2 | Mar 18 | Oct 23 | Nov 7 | Nov 23 |
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 Franklin Park, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 20 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.
Franklin Park planting FAQ
When is the last spring frost in Franklin Park, NJ?
On average, the last spring frost in Franklin Park is around April 15 (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 Franklin Park, NJ?
Expect Franklin Park's first fall frost near October 26 — a 50% chance of 32°F by that date. Bring in or cover tender crops ahead of it.
What hardiness zone is Franklin Park in?
Franklin Park is in USDA hardiness zone 7a. In zone 7a, winters are moderate — most common vegetables grow well in season.
How long is the growing season in Franklin Park?
Franklin Park has about 194 frost-free days — a moderate growing season — between the average last spring frost (April 15) and first fall frost (October 26).
When should I plant tomatoes in Franklin Park?
For Franklin Park, sow tomatoes indoors about February 18–March 4 and move the seedlings out around April 22, after the last spring frost.
Never miss a window in Franklin Park
An email when it’s time to start seeds, transplant, and sow — timed to Franklin Park’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Kendall Park · 4 km
- Blackwells Mills · 6 km
- Somerset · 8 km
- East Franklin · 8 km
- New Brunswick · 9 km
- Manville · 11 km
- Highland Park · 11 km
- Hillsborough · 12 km
Frost dates recorded at NEW BRUNSWICK 3 SE, 11 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 Franklin Park, NJ — Frost Dates & Zone 7a." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00286055. Retrieved from https://blissgarden.com/new-jersey/franklin-park.