When to plant in Germantown, TN
USDA Zone 8aGermantown, 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 8a, Germantown 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 Germantown is now 7 days earlier than in the 1981–2010 normals. See how frost dates are shifting nationwide →
Frost probability
GERMANTOWN 4SE · 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 Germantown’s own odds, recorded at GERMANTOWN 4SE.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | Apr 20 | Apr 4 | Mar 18 | Oct 15 | Oct 28 | Nov 10 |
| 32°F | Apr 9 | Mar 22 | Mar 5 | Oct 26 | Nov 7 | Nov 23 |
| 28°F | Mar 28 | Mar 8 | Feb 20 | Nov 3 | Nov 18 | Dec 8 |
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 Germantown, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 11 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.
Germantown planting FAQ
When is the last spring frost in Germantown, TN?
Plan for the last spring frost in Germantown around March 22 (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 Germantown, TN?
In Germantown, the first 32°F freeze of fall lands around November 7 on average. Time your last harvests and any season-extension cover before it.
What hardiness zone is Germantown in?
Germantown is in USDA hardiness zone 8a. In zone 8a, winters are mild — many tender perennials overwinter here.
How long is the growing season in Germantown?
Germantown has about 230 frost-free days — a long growing season — between the average last spring frost (March 22) and first fall frost (November 7).
When should I plant tomatoes in Germantown?
For Germantown, sow tomatoes indoors about January 25–February 8 and move the seedlings out around March 29, after the last spring frost.
Never miss a window in Germantown
An email when it’s time to start seeds, transplant, and sow — timed to Germantown’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Collierville · 9 km
- Olive Branch · 15 km
- Memphis · 17 km
- Bartlett · 17 km
- Lakeland · 21 km
- Arlington · 22 km
- Southaven · 23 km
- Horn Lake · 28 km
Frost dates recorded at GERMANTOWN 4SE, 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 Germantown, TN — Frost Dates & Zone 8a." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00403447. Retrieved from https://blissgarden.com/tennessee/germantown.