When to plant in Clarksville, TN
USDA Zone 7bEverything below — frost dates, hardiness zone, and what to plant when in Clarksville, Tennessee — is derived from the closest NOAA station with complete climate normals.
In zone 7b, Clarksville supports a wide range of perennials year-round; the frost dates above are what set your annual vegetable timing.
Frost probability
CLARKSVILLE WWTP · 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 Clarksville’s own odds, recorded at CLARKSVILLE WWTP.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | Apr 30 | Apr 16 | Mar 31 | Oct 12 | Oct 23 | Nov 2 |
| 32°F | Apr 20 | Apr 3 | Mar 19 | Oct 20 | Nov 1 | Nov 14 |
| 28°F | Apr 8 | Mar 22 | Mar 2 | Nov 1 | Nov 11 | Nov 30 |
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 Clarksville, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 9 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.
Clarksville planting FAQ
When is the last spring frost in Clarksville, TN?
On average, the last spring frost in Clarksville is around April 3 (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 Clarksville, TN?
The first fall frost in Clarksville typically arrives around November 1 (50% probability at 32°F). Harvest or protect frost-sensitive crops before then.
What hardiness zone is Clarksville in?
Clarksville 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 Clarksville?
Clarksville has about 212 frost-free days — a long growing season — between the average last spring frost (April 3) and first fall frost (November 1).
When should I plant tomatoes in Clarksville?
For Clarksville, sow tomatoes indoors about February 6–February 20 and move the seedlings out around April 10, after the last spring frost.
Never miss a window in Clarksville
An email when it’s time to start seeds, transplant, and sow — timed to Clarksville’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Fort Campbell North · 16 km
- Hopkinsville · 32 km
- Springfield · 43 km
- Dickson · 56 km
- White House · 62 km
- Goodlettsville · 63 km
- Nashville-Davidson · 67 km
- Fairview · 68 km
Frost dates recorded at CLARKSVILLE WWTP, 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 Clarksville, TN — Frost Dates & Zone 7b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00401790. Retrieved from https://blissgarden.com/tennessee/clarksville.