When to plant in Heath, OH
USDA Zone 6aEverything below — frost dates, hardiness zone, and what to plant when in Heath, Ohio — is derived from the closest NOAA station with complete climate normals.
In zone 6a, Heath gardeners can grow many hardy perennials, while the last and first frost still dictate the annual vegetable calendar.
The average first fall frost in Heath is now 8 days later than in the 1981–2010 normals. See how frost dates are shifting nationwide →
Frost probability
NEWARK HEATH 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 Heath’s own odds, recorded at NEWARK HEATH AP.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | May 18 | May 3 | Apr 18 | Sep 23 | Oct 7 | Oct 19 |
| 32°F | May 10 | Apr 22 | Apr 6 | Oct 5 | Oct 18 | Nov 1 |
| 28°F | Apr 25 | Apr 8 | Mar 26 | Oct 16 | Oct 31 | Nov 13 |
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 Heath, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 35 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.
Heath planting FAQ
When is the last spring frost in Heath, OH?
On average, the last spring frost in Heath is around April 22 (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 Heath, OH?
In Heath, the first 32°F freeze of fall lands around October 18 on average. Time your last harvests and any season-extension cover before it.
What hardiness zone is Heath in?
Heath 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 Heath?
Heath has about 179 frost-free days — a moderate growing season — between the average last spring frost (April 22) and first fall frost (October 18).
When should I plant tomatoes in Heath?
For Heath, 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 Heath
An email when it’s time to start seeds, transplant, and sow — timed to Heath’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Newark · 6 km
- Pataskala · 24 km
- New Albany · 29 km
- Reynoldsburg · 30 km
- Pickerington · 31 km
- Lancaster · 36 km
- Gahanna · 37 km
- Zanesville · 37 km
Frost dates recorded at NEWARK HEATH AP, 2 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 Heath, OH — Frost Dates & Zone 6a." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USW00004858. Retrieved from https://blissgarden.com/ohio/heath.