Frost dates for 76472Santo, TX
The average last spring frost in Santo is March 24 and the average first fall frost is November 10, giving a typical growing season of about 231 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Mar 24
- Average first fall frost
- Nov 10
- Growing season
- 231 days
Safer after Apr 14 (1-in-10 risk)
Possible by Oct 27 (1-in-10 risk)
First frost typically in 14 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 17 · Apr 6 · Apr 23 | Oct 19 · Nov 1 · Nov 16 | 210 days | 100% |
| Frost / freeze (32°F) | Mar 3 · Mar 24 · Apr 14 | Oct 27 · Nov 10 · Nov 27 | 231 days | 100% |
| Hard freeze (28°F) | Feb 16 · Mar 9 · Apr 2 | Nov 4 · Nov 21 · Dec 7 | 256 days | 100% |
Planting calendar for Santo
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 21 – Apr 29 |
| Tomatoes | Transplant outdoors | Apr 9 – Jul 21 |
| Peppers | Start seeds indoors | Feb 21 – Mar 24 |
| Peppers | Transplant outdoors | Apr 23 – May 24 |
| Eggplant | Start seeds indoors | Mar 10 – Apr 8 |
| Eggplant | Transplant outdoors | Apr 23 – May 24 |
| Cucumbers | Sow outdoors | Apr 23 – Jul 31 |
| Summer squash | Sow outdoors | Apr 9 – May 24 |
| Winter squash & pumpkins | Sow outdoors | Apr 23 – May 24 |
| Snap beans | Sow outdoors | Apr 9 – Aug 23 |
| Sweet corn | Sow outdoors | Apr 9 – Jul 21 |
| Watermelon & cantaloupe | Sow outdoors | Apr 23 – May 24 |
| Okra | Sow outdoors | Apr 16 – May 9 |
| Peas | Sow outdoors (spring) | Feb 21 – Apr 8 |
| Potatoes | Plant outdoors (spring) | Feb 21 – Apr 23 |
| Onions | Start seeds indoors (spring) | Jan 10 – Feb 6 |
| Onions | Transplant outdoors (spring) | Mar 10 – Apr 8 |
| Broccoli | Start seeds indoors (spring) | Feb 3 – Mar 9 |
| Broccoli | Transplant outdoors (spring) | Mar 10 – Apr 8 |
| Broccoli | Start seeds indoors (fall) | Jul 11 – Jul 21 |
| Broccoli | Transplant outdoors (fall) | Aug 10 – Aug 21 |
| Cabbage | Start seeds indoors (spring) | Jan 24 – Feb 21 |
| Cabbage | Transplant outdoors (spring) | Feb 21 – Mar 24 |
| Cabbage | Start seeds indoors (fall) | Jul 1 – Jul 31 |
| Cabbage | Transplant outdoors (fall) | Jul 31 – Aug 31 |
| Leaf lettuce | Sow outdoors (spring) | Feb 21 – May 9 |
| Leaf lettuce | Sow outdoors (fall) | Jul 31 – Sep 16 |
| Spinach | Sow outdoors (spring) | Feb 14 – Mar 30 |
| Spinach | Sow outdoors (fall) | Aug 17 – Sep 21 |
| Radishes | Sow outdoors (spring) | Feb 21 – Apr 13 |
| Radishes | Sow outdoors (fall) | Jul 31 – Oct 1 |
| Kale | Sow outdoors (spring) | Mar 10 – Mar 30 |
| Kale | Sow outdoors (fall) | Jul 24 – Aug 31 |
| Carrots | Sow outdoors (spring) | Mar 24 – May 9 |
| Carrots | Sow outdoors (fall) | Jul 1 – Aug 16 |
| Garlic | Plant outdoors (fall) | Oct 31 – Dec 1 |
Where these dates come from
ZIP code 76472 is matched to the NOAA station Mineral Wells Ap, TX, 23.3 km away, at 930 ft elevation (94 ft higher than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Mineral Wells Ap, TX (used) | 930 ft | Mar 24 | Nov 10 |
| Lake Palo Pinto, TX | 900 ft | Mar 23 | Nov 10 |
| Granbury 5N, TX | 779 ft | Mar 24 | Nov 9 |
| Stephenville, TX | 1,290 ft | Mar 29 | Nov 8 |
Frost dates near Santo
- Gordon, TX 76453 · last Mar 23, first Nov 10
- Palo Pinto, TX 76484 · last Mar 24, first Nov 10
- Morgan Mill, TX 76465 · last Mar 29, first Nov 8
- Lipan, TX 76462 · last Mar 24, first Nov 10
- Mingus, TX 76463 · last Mar 23, first Nov 10
- Dennis, TX 76439 · last Mar 25, first Nov 8
- Mineral Wells, TX 76067 · last Mar 24, first Nov 10
- Millsap, TX 76066 · last Mar 24, first Nov 10
Frequently asked questions
- When is the last frost in Santo, TX?
- For ZIP code 76472, the average last spring frost (32°F) is March 24, based on NOAA 1991-2020 climate normals for the Mineral Wells Ap, TX weather station. There is a 1-in-10 chance of a frost after April 14.
- When is the first frost in Santo, TX?
- The average first fall frost (32°F) is November 10. There is a 1-in-10 chance of frost by October 27, so tender plants are at risk from that point on.
- How long is the growing season in 76472?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 231 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.