When to plant in Progress, PA
USDA Zone 7aProgress, Pennsylvania frost dates, USDA zone, and a full-year planting calendar, drawn from the nearest NOAA station and tuned to the local season.
In zone 7a, Progress supports a wide range of perennials year-round; the frost dates above are what set your annual vegetable timing.
Frost probability
HARRISBURG 1 NE · 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 Progress’s own odds, recorded at HARRISBURG 1 NE.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | May 15 | Apr 30 | Apr 14 | Sep 28 | Oct 12 | Oct 28 |
| 32°F | May 2 | Apr 15 | Apr 1 | Oct 7 | Oct 23 | Nov 7 |
| 28°F | Apr 16 | Apr 3 | Mar 19 | Oct 20 | Nov 5 | 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 Progress, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 13 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.
Progress planting FAQ
When is the last spring frost in Progress, PA?
Progress's average last spring frost falls near April 15 — 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 Progress, PA?
In Progress, the first 32°F freeze of fall lands around October 23 on average. Time your last harvests and any season-extension cover before it.
What hardiness zone is Progress in?
Progress 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 Progress?
Progress has about 191 frost-free days — a moderate growing season — between the average last spring frost (April 15) and first fall frost (October 23).
When should I plant tomatoes in Progress?
For Progress, 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 Progress
An email when it’s time to start seeds, transplant, and sow — timed to Progress’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Colonial Park · 3 km
- Harrisburg · 4 km
- Hershey · 17 km
- Elizabethtown · 25 km
- Carlisle · 33 km
- Weigelstown · 34 km
- Shiloh · 35 km
- Lebanon · 36 km
Frost dates recorded at HARRISBURG 1 NE, 3 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 Progress, PA — Frost Dates & Zone 7a." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00363698. Retrieved from https://blissgarden.com/pennsylvania/progress.