When to plant in Wilkinsburg, PA
USDA Zone 6bWilkinsburg, 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 6b, Wilkinsburg gardeners can grow many hardy perennials, while the last and first frost still dictate the annual vegetable calendar.
Frost probability
BRADDOCK LOCK 2 · 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 Wilkinsburg’s own odds, recorded at BRADDOCK LOCK 2.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | May 11 | Apr 20 | Apr 3 | Oct 13 | Oct 29 | Nov 12 |
| 32°F | Apr 22 | Apr 5 | Mar 22 | Oct 28 | Nov 10 | Nov 27 |
| 28°F | Apr 9 | Mar 27 | Mar 12 | Nov 6 | Nov 23 | Dec 10 |
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 Wilkinsburg, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 11 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.
Wilkinsburg planting FAQ
When is the last spring frost in Wilkinsburg, PA?
On average, the last spring frost in Wilkinsburg is around April 5 (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 Wilkinsburg, PA?
Expect Wilkinsburg's first fall frost near November 10 — a 50% chance of 32°F by that date. Bring in or cover tender crops ahead of it.
What hardiness zone is Wilkinsburg in?
Wilkinsburg 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 Wilkinsburg?
Wilkinsburg has about 219 frost-free days — a long growing season — between the average last spring frost (April 5) and first fall frost (November 10).
When should I plant tomatoes in Wilkinsburg?
For Wilkinsburg, sow tomatoes indoors about February 8–February 22 and move the seedlings out around April 12, after the last spring frost.
Never miss a window in Wilkinsburg
An email when it’s time to start seeds, transplant, and sow — timed to Wilkinsburg’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Munhall · 6 km
- Pittsburgh · 9 km
- Baldwin · 9 km
- Monroeville · 10 km
- West Mifflin · 10 km
- McKeesport · 12 km
- Plum · 12 km
- Whitehall · 14 km
Frost dates recorded at BRADDOCK LOCK 2, 6 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 Wilkinsburg, PA — Frost Dates & Zone 6b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00360861. Retrieved from https://blissgarden.com/pennsylvania/wilkinsburg.