When to plant in Jackson, TN
USDA Zone 7bJackson, 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 Jackson, while your frost dates still decide when annuals go out.
Frost probability
JACKSON EXP STN · 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 Jackson’s own odds, recorded at JACKSON EXP STN.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | Apr 30 | Apr 14 | Mar 31 | Oct 7 | Oct 21 | Nov 1 |
| 32°F | Apr 18 | Apr 2 | Mar 16 | Oct 16 | Oct 29 | Nov 11 |
| 28°F | Apr 8 | Mar 22 | Mar 3 | Oct 27 | Nov 7 | Nov 24 |
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 Jackson, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 10 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.
Jackson planting FAQ
When is the last spring frost in Jackson, TN?
On average, the last spring frost in Jackson is around April 2 (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 Jackson, TN?
The first fall frost in Jackson typically arrives around October 29 (50% probability at 32°F). Harvest or protect frost-sensitive crops before then.
What hardiness zone is Jackson in?
Jackson 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 Jackson?
There are roughly 210 frost-free days in Jackson (a moderate growing season), running from the average last frost around April 2 to the first fall frost near October 29.
When should I plant tomatoes in Jackson?
In Jackson, start tomato seeds indoors around February 5–February 19, then transplant seedlings outdoors around April 9 once the danger of frost has passed.
Never miss a window in Jackson
An email when it’s time to start seeds, transplant, and sow — timed to Jackson’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reachFrost dates recorded at JACKSON EXP STN, 4 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 Jackson, TN — Frost Dates & Zone 7b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00404561. Retrieved from https://blissgarden.com/tennessee/jackson.