Laredo, TX planting zone & frost dates
Laredo is in USDA hardiness zone 9b. The last spring frost usually comes around January 20 and the first fall frost around December 25, for a growing season of about 344 days.
Planting calendar for Laredo
Dates are counted from the average last spring frost (January 20) using the typical timing recommended by U.S. extension services. Warm-season crops go out only after the danger of frost has passed and the soil has warmed.
| Crop | When |
|---|---|
| Tomatoes | Start seeds indoors: Nov 25 – Dec 9 Transplant outdoors: Jan 27 – Feb 3 |
| Peppers | Start seeds indoors: Nov 11 – Nov 25 Transplant outdoors: Feb 3 – Feb 10 |
| Eggplant | Start seeds indoors: Nov 11 – Nov 25 Transplant outdoors: Feb 3 – Feb 10 |
| Broccoli | Start seeds indoors: Nov 11 – Nov 25 Transplant outdoors: Dec 23 – Jan 6 |
| Cabbage | Start seeds indoors: Nov 11 – Nov 25 Transplant outdoors: Dec 23 – Jan 6 |
| Onions (sets) | Plant outdoors: Dec 23 – Jan 6 |
| Peas | Sow outdoors: Dec 9 – Dec 23 |
| Spinach | Sow outdoors: Dec 9 – Dec 23 |
| Lettuce | Sow outdoors: Dec 23 – Jan 6 |
| Carrots | Sow outdoors: Dec 23 – Jan 6 |
| Potatoes | Plant outdoors: Dec 23 – Jan 6 |
| Beans | Sow outdoors: Jan 27 – Feb 3 |
| Sweet corn | Sow outdoors: Jan 27 – Feb 3 |
| Cucumbers | Sow outdoors: Jan 27 – Feb 3 |
| Squash & zucchini | Sow outdoors: Jan 27 – Feb 3 |
| Basil | Start seeds indoors: Dec 9 – Dec 23 Transplant outdoors: Jan 27 – Feb 3 |
Fall garden: cool-season crops like lettuce, spinach and kale can be sown again around Oct 30 (8 weeks before the average first fall frost on Dec 25).
Frost risk in detail
| 90% chance | 50% chance | 10% chance | |
|---|---|---|---|
| Last 32°F frost in spring is after | Dec 16 | Jan 20 | Feb 26 |
| First 32°F frost in fall is before | Feb 3 | Dec 25 | Dec 2 |
How to read it: in spring there is a 10% chance of a frost after February 26, so that is a safe date for tender plants. In fall there is a 10% chance of frost before December 2. A hard freeze (28°F) usually ends around January 6.
Hardiness zone by ZIP code in Laredo
- 78040 zone 9b
- 78041 zone 9b
- 78042 zone 9b
- 78043 zone 9b
- 78044 zone 9b
- 78045 zone 9b
- 78046 zone 9b
Nearby cities
- Roma zone 9b, last frost Jan 31
- Rio Grande City zone 9b, last frost Jan 31
- Alice zone 9b, last frost Jan 29
- Eagle Pass zone 9a, last frost Feb 19
- Kingsville zone 9b, last frost Jan 25
- La Homa zone 10a, last frost Jan 23
- Alton zone 10a, last frost Jan 23
- Uvalde zone 9a
Questions
What growing zone is Laredo, TX?
Laredo is in USDA Plant Hardiness Zone 9b (average extreme winter low 25°F to 30°F), according to the USDA 2023 map.
When is the last frost in Laredo?
The average last spring frost (32°F) in Laredo is January 20. There is still a 10% chance of frost until February 26.
When can I plant tomatoes in Laredo?
Transplant tomatoes outdoors 1–2 weeks after the average last frost: around Jan 27 – Feb 3. Start seeds indoors 6–8 weeks before the last frost.
Frost dates: NOAA U.S. Climate Normals 1991–2020, station Laredo Afb, TX (USW00012907), 5.0 km (3.1 mi) from the city center, elevation 154 m, based on 9 years of records. Hardiness zone: USDA Plant Hardiness Zone Map 2023 for the ZIP code nearest to the city center. Microclimates (valleys, hills, cities, coasts) can be warmer or colder: check the local forecast before planting. How we calculate the data.