When to plant in Morristown, TN
USDA Zone 7bMorristown, Tennessee frost dates, USDA zone, and a full-year planting calendar, drawn from the nearest NOAA station and tuned to the local season.
In zone 7b, Morristown supports a wide range of perennials year-round; the frost dates above are what set your annual vegetable timing.
The average last spring frost in Morristown is now 6 days earlier than in the 1981–2010 normals. See how frost dates are shifting nationwide →
Frost probability
MORRISTOWN RADIO WCRK · 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 Morristown’s own odds, recorded at MORRISTOWN RADIO WCRK.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | May 8 | Apr 22 | Apr 5 | Oct 9 | Oct 20 | Nov 1 |
| 32°F | Apr 26 | Apr 10 | Mar 25 | Oct 16 | Oct 28 | Nov 9 |
| 28°F | Apr 14 | Mar 29 | Mar 11 | Oct 26 | Nov 6 | Nov 22 |
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 Morristown, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 18 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.
Morristown planting FAQ
When is the last spring frost in Morristown, TN?
Morristown's average last spring frost falls near April 10 — 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 Morristown, TN?
Expect Morristown's first fall frost near October 28 — a 50% chance of 32°F by that date. Bring in or cover tender crops ahead of it.
What hardiness zone is Morristown in?
Morristown 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 Morristown?
Morristown has about 201 frost-free days — a moderate growing season — between the average last spring frost (April 10) and first fall frost (October 28).
When should I plant tomatoes in Morristown?
For Morristown, sow tomatoes indoors about February 13–February 27 and move the seedlings out around April 17, after the last spring frost.
Never miss a window in Morristown
An email when it’s time to start seeds, transplant, and sow — timed to Morristown’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Sevierville · 43 km
- Greeneville · 43 km
- Seymour · 55 km
- Halls · 59 km
- Knoxville · 64 km
- Powell · 68 km
- Alcoa · 74 km
- Clinton · 75 km
Frost dates recorded at MORRISTOWN RADIO WCRK, 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 Morristown, TN — Frost Dates & Zone 7b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00406271. Retrieved from https://blissgarden.com/tennessee/morristown.