When to plant in Shelbyville, TN
USDA Zone 7bShelbyville, 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 Shelbyville, while your frost dates still decide when annuals go out.
Frost probability
SHELBYVILLE WATER DEPT · 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 Shelbyville’s own odds, recorded at SHELBYVILLE WATER DEPT.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | May 5 | Apr 20 | Apr 4 | Oct 7 | Oct 20 | Nov 1 |
| 32°F | Apr 23 | Apr 7 | Mar 19 | Oct 16 | Oct 29 | Nov 11 |
| 28°F | Apr 12 | Mar 27 | Mar 6 | Oct 26 | Nov 6 | Nov 25 |
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 Shelbyville, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 23 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.
Shelbyville planting FAQ
When is the last spring frost in Shelbyville, TN?
Shelbyville's average last spring frost falls near April 7 — the 50% mark at 32°F in the 1991–2020 normals. Hold tender transplants until the risk has passed, then plant out.
When is the first fall frost in Shelbyville, TN?
Expect Shelbyville's first fall frost near October 29 — a 50% chance of 32°F by that date. Bring in or cover tender crops ahead of it.
What hardiness zone is Shelbyville in?
Shelbyville 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 Shelbyville?
There are roughly 205 frost-free days in Shelbyville (a moderate growing season), running from the average last frost around April 7 to the first fall frost near October 29.
When should I plant tomatoes in Shelbyville?
In Shelbyville, start tomato seeds indoors around February 10–February 24, then transplant seedlings outdoors around April 14 once the danger of frost has passed.
Never miss a window in Shelbyville
An email when it’s time to start seeds, transplant, and sow — timed to Shelbyville’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Tullahoma · 26 km
- Lewisburg · 31 km
- Manchester · 35 km
- Murfreesboro · 39 km
- Spring Hill · 50 km
- Smyrna · 52 km
- Nolensville · 54 km
- Columbia · 55 km
Frost dates recorded at SHELBYVILLE WATER DEPT, 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 Shelbyville, TN — Frost Dates & Zone 7b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00408246. Retrieved from https://blissgarden.com/tennessee/shelbyville.