When to plant in Carnot-Moon, PA
USDA Zone 6bCarnot-Moon, 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 Carnot-Moon sees real winter cold, but a good range of perennials survive; the frost dates above govern when annual vegetables go out.
Frost probability
MOON TWP · 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 Carnot-Moon’s own odds, recorded at MOON TWP.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | May 23 | May 7 | Apr 23 | Sep 26 | Oct 7 | Oct 22 |
| 32°F | May 15 | Apr 28 | Apr 15 | Oct 5 | Oct 18 | Nov 4 |
| 28°F | May 1 | Apr 17 | Apr 1 | Oct 13 | Oct 31 | Nov 17 |
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 Carnot-Moon, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 4 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.
Carnot-Moon planting FAQ
When is the last spring frost in Carnot-Moon, PA?
Carnot-Moon's average last spring frost falls near April 28 — 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 Carnot-Moon, PA?
Expect Carnot-Moon's first fall frost near October 18 — a 50% chance of 32°F by that date. Bring in or cover tender crops ahead of it.
What hardiness zone is Carnot-Moon in?
Carnot-Moon 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 Carnot-Moon?
There are roughly 173 frost-free days in Carnot-Moon (a moderate growing season), running from the average last frost around April 28 to the first fall frost near October 18.
When should I plant tomatoes in Carnot-Moon?
In Carnot-Moon, start tomato seeds indoors around March 3–March 17, then transplant seedlings outdoors around May 5 once the danger of frost has passed.
Never miss a window in Carnot-Moon
An email when it’s time to start seeds, transplant, and sow — timed to Carnot-Moon’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Franklin Park · 13 km
- Pittsburgh · 22 km
- Allison Park · 23 km
- Whitehall · 26 km
- Bethel Park · 27 km
- Baldwin · 28 km
- Munhall · 30 km
- Wilkinsburg · 30 km
Frost dates recorded at MOON TWP, 1 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 Carnot-Moon, PA — Frost Dates & Zone 6b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00365918. Retrieved from https://blissgarden.com/pennsylvania/carnot-moon.