When to plant in Franklin Lakes, NJ
USDA Zone 7aHere are the average frost dates, USDA hardiness zone, and a month-by-month planting calendar for Franklin Lakes, New Jersey — all computed from Franklin Lakes's nearest NOAA weather station.
Zone 7a means many perennials and even some tender shrubs overwinter in Franklin Lakes, while your frost dates still decide when annuals go out.
Frost probability
WANAQUE RAYMOND DAM · 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 Lakes’s own odds, recorded at WANAQUE RAYMOND DAM.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | May 16 | Apr 30 | Apr 18 | Oct 3 | Oct 13 | Oct 27 |
| 32°F | May 3 | Apr 19 | Apr 5 | Oct 9 | Oct 23 | Nov 6 |
| 28°F | Apr 19 | Apr 4 | Mar 21 | Oct 16 | Nov 4 | Nov 21 |
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 Lakes, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 16 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 Lakes planting FAQ
When is the last spring frost in Franklin Lakes, NJ?
Plan for the last spring frost in Franklin Lakes around April 19 (the date it has a 50% chance of a 32°F freeze). Anything frost-sensitive should go out after it.
When is the first fall frost in Franklin Lakes, NJ?
Expect Franklin Lakes's first fall frost near October 23 — a 50% chance of 32°F by that date. Bring in or cover tender crops ahead of it.
What hardiness zone is Franklin Lakes in?
Franklin Lakes 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 Lakes?
There are roughly 187 frost-free days in Franklin Lakes (a moderate growing season), running from the average last frost around April 19 to the first fall frost near October 23.
When should I plant tomatoes in Franklin Lakes?
In Franklin Lakes, start tomato seeds indoors around February 22–March 8, then transplant seedlings outdoors around April 26 once the danger of frost has passed.
Never miss a window in Franklin Lakes
An email when it’s time to start seeds, transplant, and sow — timed to Franklin Lakes’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reachFrost dates recorded at WANAQUE RAYMOND DAM, 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 Franklin Lakes, NJ — Frost Dates & Zone 7a." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00289187. Retrieved from https://blissgarden.com/new-jersey/franklin-lakes.