When to plant in Hartsville/Trousdale County, TN
USDA Zone 7bHartsville/Trousdale County, Tennessee frost dates, USDA zone, and a full-year planting calendar, drawn from the nearest NOAA station and tuned to the local season.
Zone 7b means many perennials and even some tender shrubs overwinter in Hartsville/Trousdale County, while your frost dates still decide when annuals go out.
Frost probability
HARTSVILLE · 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 Hartsville/Trousdale County’s own odds, recorded at HARTSVILLE.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | May 12 | Apr 26 | Apr 10 | Oct 5 | Oct 17 | Oct 28 |
| 32°F | Apr 29 | Apr 12 | Mar 29 | Oct 13 | Oct 26 | Nov 6 |
| 28°F | Apr 15 | Mar 31 | Mar 13 | Oct 24 | Nov 4 | Nov 18 |
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 Hartsville/Trousdale County, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 17 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.
Hartsville/Trousdale County planting FAQ
When is the last spring frost in Hartsville/Trousdale County, TN?
On average, the last spring frost in Hartsville/Trousdale County is around April 12 (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 Hartsville/Trousdale County, TN?
The first fall frost in Hartsville/Trousdale County typically arrives around October 26 (50% probability at 32°F). Harvest or protect frost-sensitive crops before then.
What hardiness zone is Hartsville/Trousdale County in?
Hartsville/Trousdale County is in USDA hardiness zone 7b. In zone 7b, winters are moderate — most common vegetables grow well in season.
How long is the growing season in Hartsville/Trousdale County?
There are roughly 197 frost-free days in Hartsville/Trousdale County (a moderate growing season), running from the average last frost around April 12 to the first fall frost near October 26.
When should I plant tomatoes in Hartsville/Trousdale County?
In Hartsville/Trousdale County, start tomato seeds indoors around February 15–March 1, then transplant seedlings outdoors around April 19 once the danger of frost has passed.
Never miss a window in Hartsville/Trousdale County
An email when it’s time to start seeds, transplant, and sow — timed to Hartsville/Trousdale County’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Lebanon · 27 km
- Gallatin · 28 km
- Mount Juliet · 38 km
- Portland · 40 km
- Hendersonville · 41 km
- White House · 46 km
- Goodlettsville · 49 km
- Franklin · 51 km
Frost dates recorded at HARTSVILLE, 3 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 Hartsville/Trousdale County, TN — Frost Dates & Zone 7b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00403938. Retrieved from https://blissgarden.com/tennessee/hartsville-trousdale-county.