When to plant in Fairborn, OH
USDA Zone 6bHere are the average frost dates, USDA hardiness zone, and a month-by-month planting calendar for Fairborn, Ohio — all computed from Fairborn's nearest NOAA weather station.
Zone 6b means Fairborn sees real winter cold, but a good range of perennials survive; the frost dates above govern when annual vegetables go out.
Frost probability
NEW CARLISLE · 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 Fairborn’s own odds, recorded at NEW CARLISLE.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | May 21 | May 4 | Apr 20 | Sep 23 | Oct 5 | Oct 17 |
| 32°F | May 10 | Apr 24 | Apr 10 | Oct 4 | Oct 17 | Oct 29 |
| 28°F | Apr 28 | Apr 12 | Mar 31 | Oct 13 | Oct 27 | Nov 9 |
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 Fairborn, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 21 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.
Fairborn planting FAQ
When is the last spring frost in Fairborn, OH?
Plan for the last spring frost in Fairborn around April 24 (the date it has a 50% chance of a 32°F freeze). Anything frost-sensitive should go out after it.
When is the first fall frost in Fairborn, OH?
In Fairborn, the first 32°F freeze of fall lands around October 17 on average. Time your last harvests and any season-extension cover before it.
What hardiness zone is Fairborn in?
Fairborn 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 Fairborn?
There are roughly 176 frost-free days in Fairborn (a moderate growing season), running from the average last frost around April 24 to the first fall frost near October 17.
When should I plant tomatoes in Fairborn?
In Fairborn, start tomato seeds indoors around February 27–March 13, then transplant seedlings outdoors around May 1 once the danger of frost has passed.
Never miss a window in Fairborn
An email when it’s time to start seeds, transplant, and sow — timed to Fairborn’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Beavercreek · 9 km
- Riverside · 10 km
- Huber Heights · 11 km
- Xenia · 14 km
- Dayton · 16 km
- Kettering · 17 km
- Vandalia · 18 km
- Shiloh · 19 km
Frost dates recorded at NEW CARLISLE, 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 Fairborn, OH — Frost Dates & Zone 6b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00335786. Retrieved from https://blissgarden.com/ohio/fairborn.