Frost dates for 79064Olton, TX
The average last spring frost in Olton is April 6 and the average first fall frost is November 1, giving a typical growing season of about 206 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Apr 6
- Average first fall frost
- Nov 1
- Growing season
- 206 days
Safer after Apr 23 (1-in-10 risk)
Possible by Oct 17 (1-in-10 risk)
First frost typically in 5 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 5 · Apr 19 · May 2 | Oct 8 · Oct 22 · Nov 3 | 185 days | 100% |
| Frost / freeze (32°F) | Mar 22 · Apr 6 · Apr 23 | Oct 17 · Nov 1 · Nov 13 | 206 days | 100% |
| Hard freeze (28°F) | Mar 5 · Mar 27 · Apr 11 | Oct 27 · Nov 9 · Nov 24 | 229 days | 100% |
Planting calendar for Olton
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 6 – May 12 |
| Tomatoes | Transplant outdoors | Apr 22 – Jul 12 |
| Peppers | Start seeds indoors | Mar 6 – Apr 6 |
| Peppers | Transplant outdoors | May 6 – Jun 6 |
| Eggplant | Start seeds indoors | Mar 23 – Apr 21 |
| Eggplant | Transplant outdoors | May 6 – Jun 6 |
| Cucumbers | Sow outdoors | May 6 – Jul 22 |
| Summer squash | Sow outdoors | Apr 22 – Jun 6 |
| Winter squash & pumpkins | Sow outdoors | May 6 – Jun 6 |
| Snap beans | Sow outdoors | Apr 22 – Aug 14 |
| Sweet corn | Sow outdoors | Apr 22 – Jul 12 |
| Watermelon & cantaloupe | Sow outdoors | May 6 – Jun 6 |
| Okra | Sow outdoors | Apr 29 – May 22 |
| Peas | Sow outdoors (spring) | Mar 6 – Apr 21 |
| Potatoes | Plant outdoors (spring) | Mar 6 – May 6 |
| Onions | Start seeds indoors (spring) | Jan 23 – Feb 19 |
| Onions | Transplant outdoors (spring) | Mar 23 – Apr 21 |
| Broccoli | Start seeds indoors (spring) | Feb 16 – Mar 22 |
| Broccoli | Transplant outdoors (spring) | Mar 23 – Apr 21 |
| Broccoli | Start seeds indoors (fall) | Jul 2 – Jul 12 |
| Broccoli | Transplant outdoors (fall) | Aug 1 – Aug 12 |
| Cabbage | Start seeds indoors (spring) | Feb 6 – Mar 6 |
| Cabbage | Transplant outdoors (spring) | Mar 6 – Apr 6 |
| Cabbage | Start seeds indoors (fall) | Jun 22 – Jul 22 |
| Cabbage | Transplant outdoors (fall) | Jul 22 – Aug 22 |
| Leaf lettuce | Sow outdoors (spring) | Mar 6 – May 22 |
| Leaf lettuce | Sow outdoors (fall) | Jul 22 – Sep 7 |
| Spinach | Sow outdoors (spring) | Feb 27 – Apr 12 |
| Spinach | Sow outdoors (fall) | Aug 8 – Sep 12 |
| Radishes | Sow outdoors (spring) | Mar 6 – Apr 26 |
| Radishes | Sow outdoors (fall) | Jul 22 – Sep 22 |
| Kale | Sow outdoors (spring) | Mar 23 – Apr 12 |
| Kale | Sow outdoors (fall) | Jul 15 – Aug 22 |
| Carrots | Sow outdoors (spring) | Apr 6 – May 22 |
| Carrots | Sow outdoors (fall) | Jun 22 – Aug 7 |
| Garlic | Plant outdoors (fall) | Oct 22 – Nov 22 |
Where these dates come from
ZIP code 79064 is matched to the NOAA station Olton, TX, 0.7 km away, at 3,640 ft elevation (34 ft higher than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Olton, TX (used) | 3,640 ft | Apr 6 | Nov 1 |
| Hart, TX | 3,663 ft | Apr 22 | Oct 21 |
| Plainview Wtr Productn, TX | 3,450 ft | Apr 11 | Oct 29 |
| Littlefield, TX | 3,466 ft | Apr 14 | Oct 26 |
Frost dates near Olton
- Fieldton, TX 79326 · last Apr 6, first Nov 1
- Springlake, TX 79082 · last Apr 6, first Nov 1
- Hart, TX 79043 · last Apr 22, first Oct 21
- Edmonson, TX 79032 · last Apr 11, first Oct 29
- Cotton Center, TX 79021 · last Apr 14, first Oct 26
- Earth, TX 79031 · last Apr 6, first Nov 1
- Hale Center, TX 79041 · last Apr 11, first Oct 29
- Spade, TX 79369 · last Apr 14, first Oct 26
Frequently asked questions
- When is the last frost in Olton, TX?
- For ZIP code 79064, the average last spring frost (32°F) is April 6, based on NOAA 1991-2020 climate normals for the Olton, TX weather station. There is a 1-in-10 chance of a frost after April 23.
- When is the first frost in Olton, TX?
- The average first fall frost (32°F) is November 1. There is a 1-in-10 chance of frost by October 17, so tender plants are at risk from that point on.
- How long is the growing season in 79064?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 206 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.