Frost dates for 76936Eldorado, TX
The average last spring frost in Eldorado is March 22 and the average first fall frost is November 10, giving a typical growing season of about 234 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Mar 22
- Average first fall frost
- Nov 10
- Growing season
- 234 days
Safer after Apr 10 (1-in-10 risk)
Possible by Oct 28 (1-in-10 risk)
First frost typically in 15 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 18 · Nov 1 · Nov 15 | 208 days | 100% |
| Frost / freeze (32°F) | Mar 1 · Mar 22 · Apr 10 | Oct 28 · Nov 10 · Nov 28 | 234 days | 100% |
| Hard freeze (28°F) | Feb 16 · Mar 8 · Mar 29 | Nov 4 · Nov 21 · Dec 10 | 259 days | 100% |
Planting calendar for Eldorado
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 19 – Apr 27 |
| Tomatoes | Transplant outdoors | Apr 7 – Jul 21 |
| Peppers | Start seeds indoors | Feb 19 – Mar 22 |
| Peppers | Transplant outdoors | Apr 21 – May 22 |
| Eggplant | Start seeds indoors | Mar 8 – Apr 6 |
| Eggplant | Transplant outdoors | Apr 21 – May 22 |
| Cucumbers | Sow outdoors | Apr 21 – Jul 31 |
| Summer squash | Sow outdoors | Apr 7 – May 22 |
| Winter squash & pumpkins | Sow outdoors | Apr 21 – May 22 |
| Snap beans | Sow outdoors | Apr 7 – Aug 23 |
| Sweet corn | Sow outdoors | Apr 7 – Jul 21 |
| Watermelon & cantaloupe | Sow outdoors | Apr 21 – May 22 |
| Okra | Sow outdoors | Apr 14 – May 7 |
| Peas | Sow outdoors (spring) | Feb 19 – Apr 6 |
| Potatoes | Plant outdoors (spring) | Feb 19 – Apr 21 |
| Onions | Start seeds indoors (spring) | Jan 8 – Feb 4 |
| Onions | Transplant outdoors (spring) | Mar 8 – Apr 6 |
| Broccoli | Start seeds indoors (spring) | Feb 1 – Mar 7 |
| Broccoli | Transplant outdoors (spring) | Mar 8 – Apr 6 |
| Broccoli | Start seeds indoors (fall) | Jul 11 – Jul 21 |
| Broccoli | Transplant outdoors (fall) | Aug 10 – Aug 21 |
| Cabbage | Start seeds indoors (spring) | Jan 22 – Feb 19 |
| Cabbage | Transplant outdoors (spring) | Feb 19 – Mar 22 |
| Cabbage | Start seeds indoors (fall) | Jul 1 – Jul 31 |
| Cabbage | Transplant outdoors (fall) | Jul 31 – Aug 31 |
| Leaf lettuce | Sow outdoors (spring) | Feb 19 – May 7 |
| Leaf lettuce | Sow outdoors (fall) | Jul 31 – Sep 16 |
| Spinach | Sow outdoors (spring) | Feb 12 – Mar 28 |
| Spinach | Sow outdoors (fall) | Aug 17 – Sep 21 |
| Radishes | Sow outdoors (spring) | Feb 19 – Apr 11 |
| Radishes | Sow outdoors (fall) | Jul 31 – Oct 1 |
| Kale | Sow outdoors (spring) | Mar 8 – Mar 28 |
| Kale | Sow outdoors (fall) | Jul 24 – Aug 31 |
| Carrots | Sow outdoors (spring) | Mar 22 – May 7 |
| Carrots | Sow outdoors (fall) | Jul 1 – Aug 16 |
| Garlic | Plant outdoors (fall) | Oct 31 – Dec 1 |
Where these dates come from
ZIP code 76936 is matched to the NOAA station Eldorado, TX, 1 km away, at 2,440 ft elevation (19 ft higher than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Eldorado, TX (used) | 2,440 ft | Mar 22 | Nov 10 |
| Sonora, TX | 2,138 ft | Apr 1 | Nov 6 |
| Ft Mckavett, TX | 2,169 ft | Apr 2 | Nov 2 |
| San Angelo Wfo, TX | 1,890 ft | Mar 22 | Nov 10 |
Frost dates near Eldorado
- Sonora, TX 76950 · last Apr 1, first Nov 6
- Christoval, TX 76935 · last Mar 22, first Nov 10
- Knickerbocker, TX 76939 · last Mar 22, first Nov 10
- Fort Mc Kavett, TX 76841 · last Apr 2, first Nov 2
- Mertzon, TX 76941 · last Apr 1, first Nov 4
- San Angelo, TX 76904 · last Mar 20, first Nov 10
- Wall, TX 76957 · last Mar 20, first Nov 10
- Ozona, TX 76943 · last Mar 21, first Nov 6
Frequently asked questions
- When is the last frost in Eldorado, TX?
- For ZIP code 76936, the average last spring frost (32°F) is March 22, based on NOAA 1991-2020 climate normals for the Eldorado, TX weather station. There is a 1-in-10 chance of a frost after April 10.
- When is the first frost in Eldorado, TX?
- The average first fall frost (32°F) is November 10. There is a 1-in-10 chance of frost by October 28, so tender plants are at risk from that point on.
- How long is the growing season in 76936?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 234 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.