When to plant in Pittsburg, KS
USDA Zone 7aEverything below — frost dates, hardiness zone, and what to plant when in Pittsburg, Kansas — is derived from the closest NOAA station with complete climate normals.
In zone 7a, Pittsburg supports a wide range of perennials year-round; the frost dates above are what set your annual vegetable timing.
Frost probability
PITTSBURG · 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 Pittsburg’s own odds, recorded at PITTSBURG.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | May 2 | Apr 18 | Apr 3 | Oct 5 | Oct 21 | Nov 2 |
| 32°F | Apr 24 | Apr 7 | Mar 24 | Oct 17 | Oct 30 | Nov 10 |
| 28°F | Apr 12 | Mar 29 | Mar 12 | Oct 25 | Nov 6 | 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 Pittsburg, 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.
Pittsburg planting FAQ
When is the last spring frost in Pittsburg, KS?
Pittsburg's average last spring frost falls near April 7 — 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 Pittsburg, KS?
Expect Pittsburg's first fall frost near October 30 — a 50% chance of 32°F by that date. Bring in or cover tender crops ahead of it.
What hardiness zone is Pittsburg in?
Pittsburg 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 Pittsburg?
Pittsburg has about 206 frost-free days — a moderate growing season — between the average last spring frost (April 7) and first fall frost (October 30).
When should I plant tomatoes in Pittsburg?
For Pittsburg, sow tomatoes indoors about February 10–February 24 and move the seedlings out around April 14, after the last spring frost.
Never miss a window in Pittsburg
An email when it’s time to start seeds, transplant, and sow — timed to Pittsburg’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reachFrost dates recorded at PITTSBURG, 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 Pittsburg, KS — Frost Dates & Zone 7a." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00146414. Retrieved from https://blissgarden.com/kansas/pittsburg.