Raymondville, TX planting zone & frost dates
Raymondville is in USDA hardiness zone 10a. The last spring frost usually comes around January 21 and the first fall frost around December 26, for a growing season of about 340 days.
Planting calendar for Raymondville
Dates are counted from the average last spring frost (January 21) 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 26 – Dec 10 Transplant outdoors: Jan 28 – Feb 4 |
| Peppers | Start seeds indoors: Nov 12 – Nov 26 Transplant outdoors: Feb 4 – Feb 11 |
| Eggplant | Start seeds indoors: Nov 12 – Nov 26 Transplant outdoors: Feb 4 – Feb 11 |
| Broccoli | Start seeds indoors: Nov 12 – Nov 26 Transplant outdoors: Dec 24 – Jan 7 |
| Cabbage | Start seeds indoors: Nov 12 – Nov 26 Transplant outdoors: Dec 24 – Jan 7 |
| Onions (sets) | Plant outdoors: Dec 24 – Jan 7 |
| Peas | Sow outdoors: Dec 10 – Dec 24 |
| Spinach | Sow outdoors: Dec 10 – Dec 24 |
| Lettuce | Sow outdoors: Dec 24 – Jan 7 |
| Carrots | Sow outdoors: Dec 24 – Jan 7 |
| Potatoes | Plant outdoors: Dec 24 – Jan 7 |
| Beans | Sow outdoors: Jan 28 – Feb 4 |
| Sweet corn | Sow outdoors: Jan 28 – Feb 4 |
| Cucumbers | Sow outdoors: Jan 28 – Feb 4 |
| Squash & zucchini | Sow outdoors: Jan 28 – Feb 4 |
| Basil | Start seeds indoors: Dec 10 – Dec 24 Transplant outdoors: Jan 28 – Feb 4 |
Fall garden: cool-season crops like lettuce, spinach and kale can be sown again around Oct 31 (8 weeks before the average first fall frost on Dec 26).
Useful for zone 10a gardens
- Seed starting kit with dome — to start seeds indoors before the last frost
- LED grow light for seedlings — stops leggy seedlings
- Frost cloth / plant covers — for late spring and early fall frosts
- Soil thermometer — warm-season crops need soil above 60°F
- Shade cloth — for hot summers
As an Amazon Associate, FrostZoneMap earns from qualifying purchases, at no extra cost to you.
Frost risk in detail
| 90% chance | 50% chance | 10% chance | |
|---|---|---|---|
| Last 32°F frost in spring is after | Dec 18 | Jan 21 | Feb 27 |
| First 32°F frost in fall is before | Feb 1 | Dec 26 | Dec 1 |
How to read it: in spring there is a 10% chance of a frost after February 27, so that is a safe date for tender plants. In fall there is a 10% chance of frost before December 1. A hard freeze (28°F) usually ends around January 7.
Hardiness zone by ZIP code in Raymondville
- 78580 zone 10a
Nearby cities
Questions
What growing zone is Raymondville, TX?
Raymondville is in USDA Plant Hardiness Zone 10a (average extreme winter low 30°F to 35°F), according to the USDA 2023 map.
When is the last frost in Raymondville?
The average last spring frost (32°F) in Raymondville is January 21. There is still a 10% chance of frost until February 27.
When can I plant tomatoes in Raymondville?
Transplant tomatoes outdoors 1–2 weeks after the average last frost: around Jan 28 – Feb 4. Start seeds indoors 6–8 weeks before the last frost.
Frost dates: NOAA U.S. Climate Normals 1991–2020, station Raymondville, TX (USC00417458), 1.9 km (1.2 mi) from the city center, elevation 9 m, based on 25 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.