When to plant in Mountain Top, PA
USDA Zone 6bHere are the average frost dates, USDA hardiness zone, and a month-by-month planting calendar for Mountain Top, Pennsylvania — all computed from Mountain Top's nearest NOAA weather station.
Zone 6b means Mountain Top sees real winter cold, but a good range of perennials survive; the frost dates above govern when annual vegetables go out.
The average last spring frost in Mountain Top is now 8 days earlier than in the 1981–2010 normals. See how frost dates are shifting nationwide →
Frost probability
FRANCIS E WALTER DAM · 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 Mountain Top’s own odds, recorded at FRANCIS E WALTER DAM.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | Jun 2 | May 20 | May 2 | Sep 13 | Sep 27 | Oct 8 |
| 32°F | May 23 | May 7 | Apr 22 | Sep 22 | Oct 6 | Oct 22 |
| 28°F | May 11 | Apr 24 | Apr 9 | Oct 3 | Oct 19 | Nov 4 |
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 Mountain Top, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 38 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.
Mountain Top planting FAQ
When is the last spring frost in Mountain Top, PA?
Mountain Top's average last spring frost falls near May 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 Mountain Top, PA?
Expect Mountain Top's first fall frost near October 6 — a 50% chance of 32°F by that date. Bring in or cover tender crops ahead of it.
What hardiness zone is Mountain Top in?
Mountain Top 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 Mountain Top?
There are roughly 152 frost-free days in Mountain Top (a moderate growing season), running from the average last frost around May 7 to the first fall frost near October 6.
When should I plant tomatoes in Mountain Top?
In Mountain Top, start tomato seeds indoors around March 12–March 26, then transplant seedlings outdoors around May 14 once the danger of frost has passed.
Never miss a window in Mountain Top
An email when it’s time to start seeds, transplant, and sow — timed to Mountain Top’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Nanticoke · 11 km
- Wilkes-Barre · 13 km
- Kingston · 14 km
- Hazleton · 21 km
- Berwick · 30 km
- Scranton · 36 km
- Dunmore · 40 km
- Bloomsburg · 49 km
Frost dates recorded at FRANCIS E WALTER DAM, 15 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 Mountain Top, PA — Frost Dates & Zone 6b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00363018. Retrieved from https://blissgarden.com/pennsylvania/mountain-top.