When to plant in Collierville, TN
USDA Zone 8aEverything below — frost dates, hardiness zone, and what to plant when in Collierville, Tennessee — is derived from the closest NOAA station with complete climate normals.
In zone 8a, Collierville supports a wide range of perennials year-round; the frost dates above are what set your annual vegetable timing.
Frost probability
COLLIERVILLE · 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 Collierville’s own odds, recorded at COLLIERVILLE.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | Apr 26 | Apr 9 | Mar 24 | Oct 12 | Oct 25 | Nov 6 |
| 32°F | Apr 15 | Mar 29 | Mar 9 | Oct 22 | Nov 3 | Nov 20 |
| 28°F | Apr 3 | Mar 13 | Feb 24 | Oct 31 | Nov 14 | Dec 4 |
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 Collierville, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 13 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.
Collierville planting FAQ
When is the last spring frost in Collierville, TN?
Collierville's average last spring frost falls near March 29 — 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 Collierville, TN?
Expect Collierville's first fall frost near November 3 — a 50% chance of 32°F by that date. Bring in or cover tender crops ahead of it.
What hardiness zone is Collierville in?
Collierville is in USDA hardiness zone 8a. In zone 8a, winters are mild — many tender perennials overwinter here.
How long is the growing season in Collierville?
Collierville has about 219 frost-free days — a long growing season — between the average last spring frost (March 29) and first fall frost (November 3).
When should I plant tomatoes in Collierville?
For Collierville, sow tomatoes indoors about February 1–February 15 and move the seedlings out around April 5, after the last spring frost.
Never miss a window in Collierville
An email when it’s time to start seeds, transplant, and sow — timed to Collierville’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Germantown · 9 km
- Olive Branch · 17 km
- Arlington · 23 km
- Bartlett · 23 km
- Lakeland · 24 km
- Memphis · 26 km
- Southaven · 28 km
- Horn Lake · 34 km
Frost dates recorded at COLLIERVILLE, 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 Collierville, TN — Frost Dates & Zone 8a." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00401950. Retrieved from https://blissgarden.com/tennessee/collierville.