Greenville, TX planting zone & frost dates
Greenville is in USDA hardiness zone 8b. The last spring frost usually comes around March 18 and the first fall frost around November 16, for a growing season of about 244 days.
Planting calendar for Greenville
Dates are counted from the average last spring frost (March 18) 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: Jan 21 – Feb 4 Transplant outdoors: Mar 25 – Apr 1 |
| Peppers | Start seeds indoors: Jan 7 – Jan 21 Transplant outdoors: Apr 1 – Apr 8 |
| Eggplant | Start seeds indoors: Jan 7 – Jan 21 Transplant outdoors: Apr 1 – Apr 8 |
| Broccoli | Start seeds indoors: Jan 7 – Jan 21 Transplant outdoors: Feb 18 – Mar 4 |
| Cabbage | Start seeds indoors: Jan 7 – Jan 21 Transplant outdoors: Feb 18 – Mar 4 |
| Onions (sets) | Plant outdoors: Feb 18 – Mar 4 |
| Peas | Sow outdoors: Feb 4 – Feb 18 |
| Spinach | Sow outdoors: Feb 4 – Feb 18 |
| Lettuce | Sow outdoors: Feb 18 – Mar 4 |
| Carrots | Sow outdoors: Feb 18 – Mar 4 |
| Potatoes | Plant outdoors: Feb 18 – Mar 4 |
| Beans | Sow outdoors: Mar 25 – Apr 1 |
| Sweet corn | Sow outdoors: Mar 25 – Apr 1 |
| Cucumbers | Sow outdoors: Mar 25 – Apr 1 |
| Squash & zucchini | Sow outdoors: Mar 25 – Apr 1 |
| Basil | Start seeds indoors: Feb 4 – Feb 18 Transplant outdoors: Mar 25 – Apr 1 |
Fall garden: cool-season crops like lettuce, spinach and kale can be sown again around Sep 21 (8 weeks before the average first fall frost on Nov 16).
Useful for zone 8b 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
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Frost risk in detail
| 90% chance | 50% chance | 10% chance | |
|---|---|---|---|
| Last 32°F frost in spring is after | Feb 27 | Mar 18 | Apr 6 |
| First 32°F frost in fall is before | Dec 5 | Nov 16 | Nov 1 |
How to read it: in spring there is a 10% chance of a frost after April 6, so that is a safe date for tender plants. In fall there is a 10% chance of frost before November 1. A hard freeze (28°F) usually ends around March 4.
Hardiness zone by ZIP code in Greenville
- 75401 zone 8b
- 75402 zone 8b
- 75403 zone 8b
- 75404 zone 8b
Nearby cities
- Royse City zone 8b, last frost Mar 10
- Rockwall zone 8b, last frost Mar 10
- Terrell zone 8b, last frost Mar 11
- Bonham zone 8a, last frost Mar 16
- Wylie zone 8b, last frost Mar 10
- Anna zone 8b, last frost Mar 17
- McKinney zone 8b, last frost Mar 17
- Sulphur Springs zone 8b, last frost Mar 15
Questions
What growing zone is Greenville, TX?
Greenville is in USDA Plant Hardiness Zone 8b (average extreme winter low 15°F to 20°F), according to the USDA 2023 map.
When is the last frost in Greenville?
The average last spring frost (32°F) in Greenville is March 18. There is still a 10% chance of frost until April 6.
When can I plant tomatoes in Greenville?
Transplant tomatoes outdoors 1–2 weeks after the average last frost: around Mar 25 – Apr 1. Start seeds indoors 6–8 weeks before the last frost.
Frost dates: NOAA U.S. Climate Normals 1991–2020, station Greenville Kgvl Radio, TX (USC00413734), 3.5 km (2.2 mi) from the city center, elevation 166 m, based on 28 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.