When to plant in Twinsburg, OH
USDA Zone 6aTwinsburg, Ohio frost dates, USDA zone, and a full-year planting calendar, drawn from the nearest NOAA station and tuned to the local season.
These dates come from a station roughly 21 km away, the closest with full normals; terrain around Twinsburg (elevation, water, pavement) can move your real frost dates a few days either way. In zone 6a, Twinsburg gardeners can grow many hardy perennials, while the last and first frost still dictate the annual vegetable calendar.
Frost probability
STOW 4 SE · 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 Twinsburg’s own odds, recorded at STOW 4 SE.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | May 25 | May 9 | Apr 26 | Sep 27 | Oct 8 | Oct 22 |
| 32°F | May 16 | Apr 30 | Apr 17 | Oct 7 | Oct 21 | Nov 2 |
| 28°F | May 4 | Apr 20 | Apr 6 | Oct 21 | Nov 2 | 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 Twinsburg, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 30 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.
Twinsburg planting FAQ
When is the last spring frost in Twinsburg, OH?
Plan for the last spring frost in Twinsburg around April 30 (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 Twinsburg, OH?
The first fall frost in Twinsburg typically arrives around October 21 (50% probability at 32°F). Harvest or protect frost-sensitive crops before then.
What hardiness zone is Twinsburg in?
Twinsburg 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 Twinsburg?
Twinsburg has about 174 frost-free days — a moderate growing season — between the average last spring frost (April 30) and first fall frost (October 21).
When should I plant tomatoes in Twinsburg?
For Twinsburg, sow tomatoes indoors about March 5–March 19 and move the seedlings out around May 7, after the last spring frost.
Never miss a window in Twinsburg
An email when it’s time to start seeds, transplant, and sow — timed to Twinsburg’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Macedonia · 5 km
- Solon · 7 km
- Hudson · 9 km
- Aurora · 10 km
- Bedford Heights · 10 km
- Bedford · 11 km
- Streetsboro · 12 km
- Maple Heights · 14 km
Frost dates recorded at STOW 4 SE, 21 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 Twinsburg, OH — Frost Dates & Zone 6a." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00338062. Retrieved from https://blissgarden.com/ohio/twinsburg.