When to plant in Franklin Park, PA
USDA Zone 6bFranklin Park, Pennsylvania frost dates, USDA zone, and a full-year planting calendar, drawn from the nearest NOAA station and tuned to the local season.
Zone 6b means Franklin Park sees real winter cold, but a good range of perennials survive; the frost dates above govern when annual vegetables go out.
Frost probability
EMSWORTH L/D OHIO RVR · 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 EMSWORTH L/D OHIO RVR.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | May 21 | May 5 | Apr 20 | Oct 2 | Oct 16 | Oct 28 |
| 32°F | May 11 | Apr 24 | Apr 9 | Oct 13 | Oct 27 | Nov 7 |
| 28°F | Apr 26 | Apr 12 | Mar 28 | Oct 24 | Nov 5 | Nov 20 |
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 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.
Franklin Park planting FAQ
When is the last spring frost in Franklin Park, PA?
Plan for the last spring frost in Franklin Park around April 24 (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 Park, PA?
Expect Franklin Park's first fall frost near October 27 — 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 6b. In zone 6b, winters are moderate — most common vegetables grow well in season.
How long is the growing season in Franklin Park?
There are roughly 186 frost-free days in Franklin Park (a moderate growing season), running from the average last frost around April 24 to the first fall frost near October 27.
When should I plant tomatoes in Franklin Park?
In Franklin Park, start tomato seeds indoors around February 27–March 13, then transplant seedlings outdoors around May 1 once the danger of frost has passed.
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- Allison Park · 12 km
- Carnot-Moon · 13 km
- Pittsburgh · 20 km
- Wilkinsburg · 25 km
- Baldwin · 27 km
- Whitehall · 27 km
- Munhall · 28 km
- New Kensington · 29 km
Frost dates recorded at EMSWORTH L/D OHIO RVR, 10 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, PA — Frost Dates & Zone 6b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00362574. Retrieved from https://blissgarden.com/pennsylvania/franklin-park.