When to plant in Lancaster, OH
USDA Zone 6aEverything below — frost dates, hardiness zone, and what to plant when in Lancaster, Ohio — is derived from the closest NOAA station with complete climate normals.
In zone 6a, Lancaster gardeners can grow many hardy perennials, while the last and first frost still dictate the annual vegetable calendar.
The average first fall frost in Lancaster is now 5 days later than in the 1981–2010 normals. See how frost dates are shifting nationwide →
Frost probability
LANCASTER · 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 Lancaster’s own odds, recorded at LANCASTER.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | May 19 | May 1 | Apr 18 | Sep 27 | Oct 12 | Oct 26 |
| 32°F | May 9 | Apr 22 | Apr 7 | Oct 8 | Oct 24 | Nov 6 |
| 28°F | Apr 27 | Apr 8 | Mar 24 | Oct 19 | Nov 3 | 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 Lancaster, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 28 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.
Lancaster planting FAQ
When is the last spring frost in Lancaster, OH?
On average, the last spring frost in Lancaster is around April 22 (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 Lancaster, OH?
Expect Lancaster's first fall frost near October 24 — a 50% chance of 32°F by that date. Bring in or cover tender crops ahead of it.
What hardiness zone is Lancaster in?
Lancaster is in USDA hardiness zone 6a. In zone 6a, winters are moderate — most common vegetables grow well in season.
How long is the growing season in Lancaster?
Lancaster has about 185 frost-free days — a moderate growing season — between the average last spring frost (April 22) and first fall frost (October 24).
When should I plant tomatoes in Lancaster?
For Lancaster, sow tomatoes indoors about February 25–March 11 and move the seedlings out around April 29, after the last spring frost.
Never miss a window in Lancaster
An email when it’s time to start seeds, transplant, and sow — timed to Lancaster’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Pickerington · 23 km
- Canal Winchester · 23 km
- Reynoldsburg · 31 km
- Circleville · 31 km
- Pataskala · 34 km
- Heath · 36 km
- Whitehall · 36 km
- Bexley · 39 km
Frost dates recorded at LANCASTER, 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 Lancaster, OH — Frost Dates & Zone 6a." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00334403. Retrieved from https://blissgarden.com/ohio/lancaster.