When to plant in Mount Juliet, TN
USDA Zone 7bMount Juliet, 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 Mount Juliet, while your frost dates still decide when annuals go out.
Frost probability
OLD HICKORY WFO · 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 Mount Juliet’s own odds, recorded at OLD HICKORY WFO.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | Apr 30 | Apr 13 | Mar 29 | Oct 15 | Oct 26 | Nov 7 |
| 32°F | Apr 17 | Apr 1 | Mar 17 | Oct 23 | Nov 4 | Nov 20 |
| 28°F | Apr 6 | Mar 20 | Mar 2 | Nov 2 | Nov 15 | Dec 2 |
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 Mount Juliet, 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.
Mount Juliet planting FAQ
When is the last spring frost in Mount Juliet, TN?
Plan for the last spring frost in Mount Juliet around April 1 (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 Mount Juliet, TN?
In Mount Juliet, the first 32°F freeze of fall lands around November 4 on average. Time your last harvests and any season-extension cover before it.
What hardiness zone is Mount Juliet in?
Mount Juliet 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 Mount Juliet?
There are roughly 217 frost-free days in Mount Juliet (a long growing season), running from the average last frost around April 1 to the first fall frost near November 4.
When should I plant tomatoes in Mount Juliet?
In Mount Juliet, start tomato seeds indoors around February 4–February 18, then transplant seedlings outdoors around April 8 once the danger of frost has passed.
Never miss a window in Mount Juliet
An email when it’s time to start seeds, transplant, and sow — timed to Mount Juliet’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Hendersonville · 15 km
- Lebanon · 15 km
- La Vergne · 20 km
- Gallatin · 21 km
- Goodlettsville · 23 km
- Nashville-Davidson · 25 km
- Smyrna · 26 km
- Nolensville · 31 km
Frost dates recorded at OLD HICKORY WFO, 7 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 Mount Juliet, TN — Frost Dates & Zone 7b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00406806. Retrieved from https://blissgarden.com/tennessee/mount-juliet.