Last frost date in Rockwall, TX
In Rockwall, the last spring frost comes around March 10 in an average year. Wait until March 31 if you want 90% odds of no more frost. The first fall frost usually arrives about November 19, which leaves 254 frost-free days. An early freeze before November 1 happens one year in ten.
- Safe after (10% risk)
- Mar 31
- Average first frost
- Nov 19
- Frost-free season
- 254 days
- Hard freeze (28°F) ends
- Feb 26
No frost in the next 7 nights
National Weather Service forecast, updated Oct 22, 12:57 UTC
- ThuOct 2255°
- FriOct 2356°
- SatOct 2458°
- SunOct 2554°
- MonOct 2657°
- TueOct 2755°
- WedOct 2855°
Planting calendar for Rockwall
Windows count forward or back from the average frost dates above. Click a crop for dates across Texas.
TomatoesMar 17–Mar 31
PumpkinsMar 24–Apr 7
SunflowersMar 10–Mar 31
CucumbersMar 24–Mar 31
CornMar 17–Mar 31
Sweet potatoesMar 31–Apr 14
WatermelonMar 24–Apr 7
Green beansMar 17–Apr 7
ZucchiniMar 17–Mar 31
OkraMar 31–Apr 14
PeppersMar 24–Apr 7
BasilMar 17–Mar 31
Butternut squashMar 17–Mar 31
CantaloupeMar 24–Apr 7
EggplantMar 24–Apr 7
PotatoesFeb 10–Feb 24
OnionsJan 27–Feb 17
CarrotsFeb 17–Mar 24
LettuceFeb 24–Mar 17
BroccoliFeb 10–Feb 24
BeetsFeb 10–Mar 24
PeasJan 27–Feb 10
CabbageFeb 10–Feb 24
RadishesFeb 3–Mar 17
Brussels sproutsFeb 24–Mar 10
SpinachJan 27–Feb 17
CilantroFeb 24–Mar 17
KaleFeb 10–Feb 24
Collard greensFeb 10–Feb 24
TurnipsFeb 10–Feb 24
DillMar 10–Mar 24
CeleryMar 17–Mar 24
CauliflowerFeb 24–Mar 10
LeeksFeb 24–Mar 10
Swiss chardFeb 24–Mar 24
ParsleyFeb 24–Mar 17
Tulip bulbsNov 5–Dec 10
GarlicOct 15–Nov 30
Daffodil bulbsOct 15–Nov 30
StrawberriesFeb 10–Feb 24
AsparagusFeb 10–Feb 24Frost probabilities
| Threshold | Spring, 90% chance later | Spring, 50% | Spring, 10% | Fall, 10% chance earlier | Fall, 50% | Fall, 90% |
|---|---|---|---|---|---|---|
| Light frost, 32°F | Feb 20 | Mar 10 | Mar 31 | Nov 1 | Nov 19 | Dec 5 |
| Hard freeze, 28°F | Feb 1 | Feb 26 | Mar 17 | Nov 13 | Dec 1 | Dec 22 |
Read the spring 10% column as the date after which only one year in ten still gets frost. That is the safer date for tomatoes, peppers and basil.
Where these numbers come from
NOAA station Lavon Dam (USC00415094) sits 8.6 miles from the center of Rockwall at 510 feet. Its averages cover 1991 to 2020. Low spots, valleys and open fields can keep getting frost a week or two after the station stops; city centers and lakeshores usually get less of it.
Questions
When is the last frost in Rockwall, TX?
The average last frost date in Rockwall is March 10, based on NOAA 1991–2020 climate normals. There is a 10% chance of frost after March 31.
When is the first frost in Rockwall?
The first frost in fall usually comes around November 19. One year in ten it arrives before November 1.
How long is the growing season in Rockwall?
About 254 days between the average last and first frost.
When should I plant tomatoes in Rockwall?
Plant tomato seedlings outside from March 17 to March 31. Start seeds indoors six to eight weeks earlier.
Nearby in Texas
- FateMar 10
- RowlettMar 10
- Royse CityMar 10
- SachseMar 10
- WylieMar 10
- GarlandMar 7
- MurphyMar 10
- ForneyMar 11
- MesquiteMar 12
- TerrellMar 11
- RichardsonMar 7
- Balch SpringsMar 12