Frost dates for 38564Granville, TN
The average last spring frost in Granville is April 20 and the average first fall frost is October 22, giving a typical growing season of about 183 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Apr 20
- Average first fall frost
- Oct 22
- Growing season
- 183 days
Safer after May 6 (1-in-10 risk)
Possible by Oct 8 (1-in-10 risk)
Last frost typically in 168 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) | Apr 17 · Apr 30 · May 15 | Sep 30 · Oct 12 · Oct 25 | 164 days | 100% |
| Frost / freeze (32°F) | Apr 7 · Apr 20 · May 6 | Oct 8 · Oct 22 · Nov 3 | 183 days | 100% |
| Hard freeze (28°F) | Mar 24 · Apr 8 · Apr 23 | Oct 17 · Oct 30 · Nov 11 | 205 days | 100% |
Planting calendar for Granville
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 | Mar 20 – May 26 |
| Tomatoes | Transplant outdoors | May 6 – Jul 2 |
| Peppers | Start seeds indoors | Mar 20 – Apr 20 |
| Peppers | Transplant outdoors | May 20 – Jun 20 |
| Eggplant | Start seeds indoors | Apr 6 – May 5 |
| Eggplant | Transplant outdoors | May 20 – Jun 20 |
| Cucumbers | Sow outdoors | May 20 – Jul 12 |
| Summer squash | Sow outdoors | May 6 – Jun 20 |
| Winter squash & pumpkins | Sow outdoors | May 20 – Jun 20 |
| Snap beans | Sow outdoors | May 6 – Aug 4 |
| Sweet corn | Sow outdoors | May 6 – Jul 2 |
| Watermelon & cantaloupe | Sow outdoors | May 20 – Jun 20 |
| Okra | Sow outdoors | May 13 – Jun 5 |
| Peas | Sow outdoors (spring) | Mar 20 – May 5 |
| Potatoes | Plant outdoors (spring) | Mar 20 – May 20 |
| Onions | Start seeds indoors (spring) | Feb 6 – Mar 5 |
| Onions | Transplant outdoors (spring) | Apr 6 – May 5 |
| Broccoli | Start seeds indoors (spring) | Mar 2 – Apr 5 |
| Broccoli | Transplant outdoors (spring) | Apr 6 – May 5 |
| Broccoli | Start seeds indoors (fall) | Jun 22 – Jul 2 |
| Broccoli | Transplant outdoors (fall) | Jul 22 – Aug 2 |
| Cabbage | Start seeds indoors (spring) | Feb 20 – Mar 20 |
| Cabbage | Transplant outdoors (spring) | Mar 20 – Apr 20 |
| Cabbage | Start seeds indoors (fall) | Jun 12 – Jul 12 |
| Cabbage | Transplant outdoors (fall) | Jul 12 – Aug 12 |
| Leaf lettuce | Sow outdoors (spring) | Mar 20 – Jun 5 |
| Leaf lettuce | Sow outdoors (fall) | Jul 12 – Aug 28 |
| Spinach | Sow outdoors (spring) | Mar 13 – Apr 26 |
| Spinach | Sow outdoors (fall) | Jul 29 – Sep 2 |
| Radishes | Sow outdoors (spring) | Mar 20 – May 10 |
| Radishes | Sow outdoors (fall) | Jul 12 – Sep 12 |
| Kale | Sow outdoors (spring) | Apr 6 – Apr 26 |
| Kale | Sow outdoors (fall) | Jul 5 – Aug 12 |
| Carrots | Sow outdoors (spring) | Apr 20 – Jun 5 |
| Carrots | Sow outdoors (fall) | Jun 12 – Jul 28 |
| Garlic | Plant outdoors (fall) | Oct 12 – Nov 12 |
Where these dates come from
ZIP code 38564 is matched to the NOAA station Gainesboro, TN, 12.9 km away, at 487 ft elevation (130 ft lower than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Gainesboro, TN (used) | 487 ft | Apr 20 | Oct 22 |
| Carthage, TN | 515 ft | Apr 10 | Oct 29 |
| Lancaster Edgar Evins Marina, TN | 630 ft | Apr 3 | Nov 4 |
| Cookeville, TN | 1,090 ft | Apr 14 | Oct 25 |
Frost dates near Granville
- Bloomington Springs, TN 38545 · last Apr 14, first Oct 25
- Buffalo Valley, TN 38548 · last Apr 3, first Nov 4
- Chestnut Mound, TN 38552 · last Apr 3, first Nov 4
- Gainesboro, TN 38562 · last Apr 20, first Oct 22
- Elmwood, TN 38560 · last Apr 10, first Oct 29
- Pleasant Shade, TN 37145 · last Apr 10, first Oct 29
- Carthage, TN 37030 · last Apr 10, first Oct 29
- Cookeville, TN 38501 · last Apr 14, first Oct 25
Frequently asked questions
- When is the last frost in Granville, TN?
- For ZIP code 38564, the average last spring frost (32°F) is April 20, based on NOAA 1991-2020 climate normals for the Gainesboro, TN weather station. There is a 1-in-10 chance of a frost after May 6.
- When is the first frost in Granville, TN?
- The average first fall frost (32°F) is October 22. There is a 1-in-10 chance of frost by October 8, so tender plants are at risk from that point on.
- How long is the growing season in 38564?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 183 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.