Frost dates for 38066Rossville, TN
The average last spring frost in Rossville is March 29 and the average first fall frost is November 3, giving a typical growing season of about 219 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Mar 29
- Average first fall frost
- Nov 3
- Growing season
- 219 days
Safer after Apr 16 (1-in-10 risk)
Possible by Oct 21 (1-in-10 risk)
First frost typically in 0 days
Frost risk by date
NOAA reports frost dates as probabilities. The middle date is the average (a 50% chance). For spring, the 10% date is a safer planting date: frost after it happens in about 1 year in 10. Light frost (36°F) can damage tender plants; a hard freeze (28°F) kills most annuals.
| Temperature | Last spring: 90% / 50% / 10% chance | First fall: 10% / 50% / 90% chance | Growing season (50%) | Years with at least one |
|---|---|---|---|---|
| Light frost (36°F) | Mar 22 · Apr 8 · Apr 24 | Oct 11 · Oct 24 · Nov 4 | 199 days | 100% |
| Frost / freeze (32°F) | Mar 9 · Mar 29 · Apr 16 | Oct 21 · Nov 3 · Nov 20 | 219 days | 100% |
| Hard freeze (28°F) | Feb 27 · Mar 16 · Apr 5 | Oct 30 · Nov 13 · Dec 3 | 241 days | 100% |
Planting calendar for Rossville
Planting windows from the University of Maryland Extension calendar, shifted to your average frost dates. Use them as a starting point and adjust for seed packet instructions and local conditions.
| Crop | Task | Window |
|---|---|---|
| Tomatoes | Start seeds indoors | Feb 26 – May 4 |
| Tomatoes | Transplant outdoors | Apr 14 – Jul 14 |
| Peppers | Start seeds indoors | Feb 26 – Mar 29 |
| Peppers | Transplant outdoors | Apr 28 – May 29 |
| Eggplant | Start seeds indoors | Mar 15 – Apr 13 |
| Eggplant | Transplant outdoors | Apr 28 – May 29 |
| Cucumbers | Sow outdoors | Apr 28 – Jul 24 |
| Summer squash | Sow outdoors | Apr 14 – May 29 |
| Winter squash & pumpkins | Sow outdoors | Apr 28 – May 29 |
| Snap beans | Sow outdoors | Apr 14 – Aug 16 |
| Sweet corn | Sow outdoors | Apr 14 – Jul 14 |
| Watermelon & cantaloupe | Sow outdoors | Apr 28 – May 29 |
| Okra | Sow outdoors | Apr 21 – May 14 |
| Peas | Sow outdoors (spring) | Feb 26 – Apr 13 |
| Potatoes | Plant outdoors (spring) | Feb 26 – Apr 28 |
| Onions | Start seeds indoors (spring) | Jan 15 – Feb 11 |
| Onions | Transplant outdoors (spring) | Mar 15 – Apr 13 |
| Broccoli | Start seeds indoors (spring) | Feb 8 – Mar 14 |
| Broccoli | Transplant outdoors (spring) | Mar 15 – Apr 13 |
| Broccoli | Start seeds indoors (fall) | Jul 4 – Jul 14 |
| Broccoli | Transplant outdoors (fall) | Aug 3 – Aug 14 |
| Cabbage | Start seeds indoors (spring) | Jan 29 – Feb 26 |
| Cabbage | Transplant outdoors (spring) | Feb 26 – Mar 29 |
| Cabbage | Start seeds indoors (fall) | Jun 24 – Jul 24 |
| Cabbage | Transplant outdoors (fall) | Jul 24 – Aug 24 |
| Leaf lettuce | Sow outdoors (spring) | Feb 26 – May 14 |
| Leaf lettuce | Sow outdoors (fall) | Jul 24 – Sep 9 |
| Spinach | Sow outdoors (spring) | Feb 19 – Apr 4 |
| Spinach | Sow outdoors (fall) | Aug 10 – Sep 14 |
| Radishes | Sow outdoors (spring) | Feb 26 – Apr 18 |
| Radishes | Sow outdoors (fall) | Jul 24 – Sep 24 |
| Kale | Sow outdoors (spring) | Mar 15 – Apr 4 |
| Kale | Sow outdoors (fall) | Jul 17 – Aug 24 |
| Carrots | Sow outdoors (spring) | Mar 29 – May 14 |
| Carrots | Sow outdoors (fall) | Jun 24 – Aug 9 |
| Garlic | Plant outdoors (fall) | Oct 24 – Nov 24 |
Where these dates come from
ZIP code 38066 is matched to the NOAA station Moscow, TN, 14.2 km away, at 335 ft elevation (7 ft higher than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Moscow, TN (used) | 335 ft | Mar 29 | Nov 3 |
| Collierville, TN | 300 ft | Mar 29 | Nov 3 |
| Germantown 4Se, TN | 320 ft | Mar 22 | Nov 7 |
| Memphis Wfo, TN | 310 ft | Mar 29 | Nov 5 |
Frost dates near Rossville
- Collierville, TN 38027 · last Mar 22, first Nov 7
- Macon, TN 38048 · last Mar 29, first Nov 3
- Eads, TN 38028 · last Mar 22, first Nov 7
- Mount Pleasant, MS 38649 · last Apr 6, first Oct 26
- Oakland, TN 38060 · last Mar 29, first Nov 3
- Germantown, TN 38139 · last Mar 22, first Nov 7
- Moscow, TN 38057 · last Mar 29, first Nov 3
- Williston, TN 38076 · last Apr 1, first Nov 3
Frequently asked questions
- When is the last frost in Rossville, TN?
- For ZIP code 38066, the average last spring frost (32°F) is March 29, based on NOAA 1991-2020 climate normals for the Moscow, TN weather station. There is a 1-in-10 chance of a frost after April 16.
- When is the first frost in Rossville, TN?
- The average first fall frost (32°F) is November 3. There is a 1-in-10 chance of frost by October 21, so tender plants are at risk from that point on.
- How long is the growing season in 38066?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 219 days long.
- Are these frost dates a forecast?
- No. They are 30-year averages and probabilities from NOAA weather station records. Use them to plan, then watch your local forecast before planting tender crops or leaving them uncovered.