When to plant in Strongsville, OH
USDA Zone 6bStrongsville, Ohio frost dates, USDA zone, and a full-year planting calendar, drawn from the nearest NOAA station and tuned to the local season.
Zone 6b means Strongsville sees real winter cold, but a good range of perennials survive; the frost dates above govern when annual vegetables go out.
Frost probability
CLEVELAND · 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 Strongsville’s own odds, recorded at CLEVELAND.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | May 17 | Apr 30 | Apr 17 | Oct 7 | Oct 22 | Nov 3 |
| 32°F | May 5 | Apr 20 | Apr 4 | Oct 21 | Nov 3 | Nov 17 |
| 28°F | Apr 21 | Apr 5 | Mar 22 | Nov 1 | Nov 13 | Nov 29 |
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 Strongsville, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 26 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.
Strongsville planting FAQ
When is the last spring frost in Strongsville, OH?
Plan for the last spring frost in Strongsville around April 20 (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 Strongsville, OH?
Expect Strongsville's first fall frost near November 3 — a 50% chance of 32°F by that date. Bring in or cover tender crops ahead of it.
What hardiness zone is Strongsville in?
Strongsville 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 Strongsville?
There are roughly 197 frost-free days in Strongsville (a moderate growing season), running from the average last frost around April 20 to the first fall frost near November 3.
When should I plant tomatoes in Strongsville?
In Strongsville, start tomato seeds indoors around February 23–March 9, then transplant seedlings outdoors around April 27 once the danger of frost has passed.
Never miss a window in Strongsville
An email when it’s time to start seeds, transplant, and sow — timed to Strongsville’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Middleburg Heights · 7 km
- Berea · 7 km
- North Royalton · 7 km
- Brunswick · 8 km
- Parma Heights · 10 km
- Brook Park · 10 km
- Parma · 12 km
- Broadview Heights · 13 km
Frost dates recorded at CLEVELAND, 11 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 Strongsville, OH — Frost Dates & Zone 6b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USW00014820. Retrieved from https://blissgarden.com/ohio/strongsville.