Frost dates for 76671Morgan, TX
The average last spring frost in Morgan is March 15 and the average first fall frost is November 14, giving a typical growing season of about 243 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Mar 15
- Average first fall frost
- Nov 14
- Growing season
- 243 days
Safer after Apr 7 (1-in-10 risk)
Possible by Oct 31 (1-in-10 risk)
First frost typically in 17 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 8 · Apr 1 · Apr 20 | Oct 23 · Nov 4 · Nov 21 | 219 days | 100% |
| Frost / freeze (32°F) | Feb 25 · Mar 15 · Apr 7 | Oct 31 · Nov 14 · Dec 3 | 243 days | 100% |
| Hard freeze (28°F) | Feb 6 · Mar 2 · Mar 28 | Nov 6 · Nov 28 · Dec 20 | 271 days | 100% |
Planting calendar for Morgan
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 12 – Apr 20 |
| Tomatoes | Transplant outdoors | Mar 31 – Jul 25 |
| Peppers | Start seeds indoors | Feb 12 – Mar 15 |
| Peppers | Transplant outdoors | Apr 14 – May 15 |
| Eggplant | Start seeds indoors | Mar 1 – Mar 30 |
| Eggplant | Transplant outdoors | Apr 14 – May 15 |
| Cucumbers | Sow outdoors | Apr 14 – Aug 4 |
| Summer squash | Sow outdoors | Mar 31 – May 15 |
| Winter squash & pumpkins | Sow outdoors | Apr 14 – May 15 |
| Snap beans | Sow outdoors | Mar 31 – Aug 27 |
| Sweet corn | Sow outdoors | Mar 31 – Jul 25 |
| Watermelon & cantaloupe | Sow outdoors | Apr 14 – May 15 |
| Okra | Sow outdoors | Apr 7 – Apr 30 |
| Peas | Sow outdoors (spring) | Feb 12 – Mar 30 |
| Potatoes | Plant outdoors (spring) | Feb 12 – Apr 14 |
| Onions | Start seeds indoors (spring) | Jan 1 – Jan 28 |
| Onions | Transplant outdoors (spring) | Mar 1 – Mar 30 |
| Broccoli | Start seeds indoors (spring) | Jan 25 – Feb 28 |
| Broccoli | Transplant outdoors (spring) | Mar 1 – Mar 30 |
| Broccoli | Start seeds indoors (fall) | Jul 15 – Jul 25 |
| Broccoli | Transplant outdoors (fall) | Aug 14 – Aug 25 |
| Cabbage | Start seeds indoors (spring) | Jan 15 – Feb 12 |
| Cabbage | Transplant outdoors (spring) | Feb 12 – Mar 15 |
| Cabbage | Start seeds indoors (fall) | Jul 5 – Aug 4 |
| Cabbage | Transplant outdoors (fall) | Aug 4 – Sep 4 |
| Leaf lettuce | Sow outdoors (spring) | Feb 12 – Apr 30 |
| Leaf lettuce | Sow outdoors (fall) | Aug 4 – Sep 20 |
| Spinach | Sow outdoors (spring) | Feb 5 – Mar 21 |
| Spinach | Sow outdoors (fall) | Aug 21 – Sep 25 |
| Radishes | Sow outdoors (spring) | Feb 12 – Apr 4 |
| Radishes | Sow outdoors (fall) | Aug 4 – Oct 5 |
| Kale | Sow outdoors (spring) | Mar 1 – Mar 21 |
| Kale | Sow outdoors (fall) | Jul 28 – Sep 4 |
| Carrots | Sow outdoors (spring) | Mar 15 – Apr 30 |
| Carrots | Sow outdoors (fall) | Jul 5 – Aug 20 |
| Garlic | Plant outdoors (fall) | Nov 4 – Dec 5 |
Where these dates come from
ZIP code 76671 is matched to the NOAA station Whitney Dam, TX, 24.9 km away, at 574 ft elevation (128 ft lower than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Whitney Dam, TX (used) | 574 ft | Mar 15 | Nov 14 |
| Rainbow, TX | 648 ft | Mar 28 | Nov 7 |
| Cleburne, TX | 783 ft | Mar 17 | Nov 12 |
| Hillsboro, TX | 550 ft | Mar 21 | Nov 10 |
Frost dates near Morgan
- Kopperl, TX 76652 · last Mar 17, first Nov 12
- Meridian, TX 76665 · last Mar 15, first Nov 14
- Walnut Springs, TX 76690 · last Mar 24, first Nov 7
- Blum, TX 76627 · last Mar 17, first Nov 12
- Whitney, TX 76692 · last Mar 15, first Nov 14
- Laguna Park, TX 76644 · last Mar 15, first Nov 14
- Clifton, TX 76634 · last Mar 15, first Nov 14
- Nemo, TX 76070 · last Mar 28, first Nov 7
Frequently asked questions
- When is the last frost in Morgan, TX?
- For ZIP code 76671, the average last spring frost (32°F) is March 15, based on NOAA 1991-2020 climate normals for the Whitney Dam, TX weather station. There is a 1-in-10 chance of a frost after April 7.
- When is the first frost in Morgan, TX?
- The average first fall frost (32°F) is November 14. There is a 1-in-10 chance of frost by October 31, so tender plants are at risk from that point on.
- How long is the growing season in 76671?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 243 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.