When to plant in Greenville, OH
USDA Zone 6aGreenville, Ohio frost dates, USDA zone, and a full-year planting calendar, drawn from the nearest NOAA station and tuned to the local season.
In zone 6a, Greenville gardeners can grow many hardy perennials, while the last and first frost still dictate the annual vegetable calendar.
The average first fall frost in Greenville is now 8 days later than in the 1981–2010 normals. See how frost dates are shifting nationwide →
Frost probability
GREENVILLE WTP · 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 Greenville’s own odds, recorded at GREENVILLE WTP.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | May 18 | May 1 | Apr 19 | Sep 24 | Oct 8 | Oct 21 |
| 32°F | May 7 | Apr 21 | Apr 7 | Oct 6 | Oct 20 | Nov 1 |
| 28°F | Apr 24 | Apr 9 | Mar 26 | Oct 18 | Oct 31 | Nov 13 |
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 Greenville, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 33 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.
Greenville planting FAQ
When is the last spring frost in Greenville, OH?
Greenville's average last spring frost falls near April 21 — 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 Greenville, OH?
Expect Greenville's first fall frost near October 20 — a 50% chance of 32°F by that date. Bring in or cover tender crops ahead of it.
What hardiness zone is Greenville in?
Greenville 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 Greenville?
Greenville has about 182 frost-free days — a moderate growing season — between the average last spring frost (April 21) and first fall frost (October 20).
When should I plant tomatoes in Greenville?
For Greenville, sow tomatoes indoors about February 24–March 10 and move the seedlings out around April 28, after the last spring frost.
Never miss a window in Greenville
An email when it’s time to start seeds, transplant, and sow — timed to Greenville’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reachFrost dates recorded at GREENVILLE WTP, 2 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 Greenville, OH — Frost Dates & Zone 6a." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00333375. Retrieved from https://blissgarden.com/ohio/greenville.