Last frost date in Pasadena, TX
In Pasadena, the last spring frost comes around January 30 in an average year. Wait until March 1 if you want 90% odds of no more frost. The first fall frost usually arrives about December 28, which leaves 330 frost-free days. An early freeze before November 27 happens one year in ten.
- Safe after (10% risk)
- Mar 1
- Average first frost
- Dec 28
- Frost-free season
- 330 days
- Hard freeze (28°F) ends
- Jan 17
No frost in the next 7 nights
National Weather Service forecast, updated Oct 22, 12:57 UTC
- ThuOct 2260°
- FriOct 2364°
- SatOct 2464°
- SunOct 2565°
- MonOct 2665°
- TueOct 2764°
- WedOct 2863°
Planting calendar for Pasadena
Windows count forward or back from the average frost dates above. Click a crop for dates across Texas.
TomatoesFeb 15–Mar 1
PumpkinsFeb 15–Mar 1
SunflowersFeb 15–Mar 8
CucumbersFeb 22–Mar 1
CornFeb 15–Mar 1
Sweet potatoesFeb 20–Mar 6
WatermelonFeb 15–Mar 1
Green beansFeb 15–Mar 8
ZucchiniFeb 15–Mar 1
OkraFeb 20–Mar 6
PeppersFeb 15–Mar 1
BasilFeb 15–Mar 1
Butternut squashFeb 15–Mar 1
CantaloupeFeb 15–Mar 1
EggplantFeb 15–Mar 1
PotatoesJan 2–Jan 16
OnionsDec 19–Jan 9
CarrotsJan 9–Feb 13
LettuceJan 16–Feb 6
BroccoliJan 2–Jan 16
BeetsJan 2–Feb 13
PeasDec 19–Jan 2
CabbageJan 2–Jan 16
RadishesDec 26–Feb 6
Brussels sproutsJan 16–Jan 30
SpinachDec 19–Jan 9
CilantroJan 16–Feb 6
KaleJan 2–Jan 16
Collard greensJan 2–Jan 16
TurnipsJan 2–Jan 16
DillJan 30–Feb 13
CeleryFeb 6–Feb 13
CauliflowerJan 16–Jan 30
LeeksJan 16–Jan 30
Swiss chardJan 16–Feb 13
ParsleyJan 16–Feb 6
Tulip bulbsDec 15–Jan 15
GarlicOct 15–Nov 30
Daffodil bulbsOct 15–Nov 30
StrawberriesJan 2–Jan 16
AsparagusJan 2–Jan 16Frost probabilities
| Threshold | Spring, 90% chance later | Spring, 50% | Spring, 10% | Fall, 10% chance earlier | Fall, 50% | Fall, 90% |
|---|---|---|---|---|---|---|
| Light frost, 32°F | Dec 29 | Jan 30 | Mar 1 | Nov 27 | Dec 28 | Jan 27 |
| Hard freeze, 28°F | Dec 22 | Jan 17 | Feb 17 | Dec 12 | Jan 8 | Feb 4 |
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 Houston Hobby Airport (USW00012918) sits 7.9 miles from the center of Pasadena at 44 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 Pasadena, TX?
The average last frost date in Pasadena is January 30, based on NOAA 1991–2020 climate normals. There is a 10% chance of frost after March 1.
When is the first frost in Pasadena?
The first frost in fall usually comes around December 28. One year in ten it arrives before November 27.
How long is the growing season in Pasadena?
About 330 days between the average last and first frost.
When should I plant tomatoes in Pasadena?
Plant tomato seedlings outside from February 15 to March 1. Start seeds indoors six to eight weeks earlier.
Nearby in Texas
- Deer ParkFeb 2
- La PorteJan 31
- CloverleafFeb 2
- ChannelviewFeb 2
- FriendswoodJan 31
- League CityJan 31
- PearlandJan 31
- BaytownFeb 20
- DickinsonJan 31
- AlvinFeb 14
- HoustonFeb 2
- ManvelJan 31