Celina, TX planting zone & frost dates
Celina is in USDA hardiness zone 8b. The last spring frost usually comes around March 24 and the first fall frost around November 16, for a growing season of about 237 days.
Planting calendar for Celina
Dates are counted from the average last spring frost (March 24) 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 27 – Feb 10 Transplant outdoors: Mar 31 – Apr 7 |
| Peppers | Start seeds indoors: Jan 13 – Jan 27 Transplant outdoors: Apr 7 – Apr 14 |
| Eggplant | Start seeds indoors: Jan 13 – Jan 27 Transplant outdoors: Apr 7 – Apr 14 |
| Broccoli | Start seeds indoors: Jan 13 – Jan 27 Transplant outdoors: Feb 24 – Mar 10 |
| Cabbage | Start seeds indoors: Jan 13 – Jan 27 Transplant outdoors: Feb 24 – Mar 10 |
| Onions (sets) | Plant outdoors: Feb 24 – Mar 10 |
| Peas | Sow outdoors: Feb 10 – Feb 24 |
| Spinach | Sow outdoors: Feb 10 – Feb 24 |
| Lettuce | Sow outdoors: Feb 24 – Mar 10 |
| Carrots | Sow outdoors: Feb 24 – Mar 10 |
| Potatoes | Plant outdoors: Feb 24 – Mar 10 |
| Beans | Sow outdoors: Mar 31 – Apr 7 |
| Sweet corn | Sow outdoors: Mar 31 – Apr 7 |
| Cucumbers | Sow outdoors: Mar 31 – Apr 7 |
| Squash & zucchini | Sow outdoors: Mar 31 – Apr 7 |
| Basil | Start seeds indoors: Feb 10 – Feb 24 Transplant outdoors: Mar 31 – Apr 7 |
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 | Mar 4 | Mar 24 | Apr 13 |
| First 32°F frost in fall is before | Dec 2 | Nov 16 | Nov 1 |
How to read it: in spring there is a 10% chance of a frost after April 13, 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 11.
Hardiness zone by ZIP code in Celina
- 75009 zone 8b
Nearby cities
- Prosper zone 8b, last frost Mar 17
- Frisco zone 8b, last frost Mar 7
- The Trails of Frisco zone 8b, last frost Mar 7
- McKinney zone 8b, last frost Mar 17
- Little Elm zone 8b, last frost Mar 13
- Fairview zone 8b, last frost Mar 18
- Anna zone 8b, last frost Mar 17
- Allen zone 8b, last frost Mar 18
Questions
What growing zone is Celina, TX?
Celina 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 Celina?
The average last spring frost (32°F) in Celina is March 24. There is still a 10% chance of frost until April 13.
When can I plant tomatoes in Celina?
Transplant tomatoes outdoors 1–2 weeks after the average last frost: around Mar 31 – Apr 7. Start seeds indoors 6–8 weeks before the last frost.
Frost dates: NOAA U.S. Climate Normals 1991–2020, station Pilot Point Isl Du Boi, TX (USC00417028), 21.6 km (13.4 mi) from the city center, elevation 210 m, based on 12 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.