When to plant in Conneaut, OH
USDA Zone 6bEverything below — frost dates, hardiness zone, and what to plant when in Conneaut, Ohio — is derived from the closest NOAA station with complete climate normals.
These dates come from a station roughly 17 km away, the closest with full normals; terrain around Conneaut (elevation, water, pavement) can move your real frost dates a few days either way. Zone 6b means Conneaut sees real winter cold, but a good range of perennials survive; the frost dates above govern when annual vegetables go out.
Frost probability
SPRINGBORO 3 WNW · 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 Conneaut’s own odds, recorded at SPRINGBORO 3 WNW.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | Jun 1 | May 20 | May 2 | Sep 17 | Oct 2 | Oct 18 |
| 32°F | May 23 | May 8 | Apr 23 | Oct 1 | Oct 16 | Nov 2 |
| 28°F | May 14 | Apr 26 | Apr 9 | Oct 13 | Nov 1 | Nov 16 |
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 Conneaut, 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.
Conneaut planting FAQ
When is the last spring frost in Conneaut, OH?
On average, the last spring frost in Conneaut is around May 8 (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 Conneaut, OH?
Expect Conneaut's first fall frost near October 16 — a 50% chance of 32°F by that date. Bring in or cover tender crops ahead of it.
What hardiness zone is Conneaut in?
Conneaut 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 Conneaut?
There are roughly 161 frost-free days in Conneaut (a moderate growing season), running from the average last frost around May 8 to the first fall frost near October 16.
When should I plant tomatoes in Conneaut?
In Conneaut, start tomato seeds indoors around March 13–March 27, then transplant seedlings outdoors around May 15 once the danger of frost has passed.
Never miss a window in Conneaut
An email when it’s time to start seeds, transplant, and sow — timed to Conneaut’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Ashtabula · 20 km
- Erie · 46 km
- Meadville · 47 km
- Painesville · 62 km
- Mentor · 69 km
- Willoughby · 77 km
- Sharon · 77 km
- Eastlake · 77 km
Frost dates recorded at SPRINGBORO 3 WNW, 17 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 Conneaut, OH — Frost Dates & Zone 6b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00368361. Retrieved from https://blissgarden.com/ohio/conneaut.