When to plant in Worthington, OH
USDA Zone 6bEverything below — frost dates, hardiness zone, and what to plant when in Worthington, Ohio — is derived from the closest NOAA station with complete climate normals.
In zone 6b, Worthington gardeners can grow many hardy perennials, while the last and first frost still dictate the annual vegetable calendar.
Frost probability
COLUMBUS OHIO STATE UNIV AP · 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 Worthington’s own odds, recorded at COLUMBUS OHIO STATE UNIV AP.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | May 20 | May 3 | Apr 18 | Sep 28 | Oct 12 | Oct 24 |
| 32°F | May 9 | Apr 22 | Apr 6 | Oct 9 | Oct 23 | Nov 4 |
| 28°F | Apr 26 | Apr 9 | Mar 24 | Oct 20 | Nov 2 | Nov 15 |
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 Worthington, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 8 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.
Worthington planting FAQ
When is the last spring frost in Worthington, OH?
Worthington's average last spring frost falls near April 22 — 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 Worthington, OH?
Expect Worthington's first fall frost near October 23 — a 50% chance of 32°F by that date. Bring in or cover tender crops ahead of it.
What hardiness zone is Worthington in?
Worthington 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 Worthington?
Worthington has about 184 frost-free days — a moderate growing season — between the average last spring frost (April 22) and first fall frost (October 23).
When should I plant tomatoes in Worthington?
For Worthington, sow tomatoes indoors about February 25–March 11 and move the seedlings out around April 29, after the last spring frost.
Never miss a window in Worthington
An email when it’s time to start seeds, transplant, and sow — timed to Worthington’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Upper Arlington · 9 km
- Powell · 9 km
- Westerville · 10 km
- Dublin · 11 km
- Columbus · 13 km
- Hilliard · 14 km
- Gahanna · 14 km
- Bexley · 16 km
Frost dates recorded at COLUMBUS OHIO STATE UNIV AP, 5 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 Worthington, OH — Frost Dates & Zone 6b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USW00004804. Retrieved from https://blissgarden.com/ohio/worthington.