Last frost date in Iowa Colony, TX
Expect the last frost in Iowa Colony around January 31. Frost after March 5 happens in only one year out of ten. The first fall frost usually arrives about December 27, which leaves 328 frost-free days. An early freeze before November 28 happens one year in ten.
- Safe after (10% risk)
- Mar 5
- Average first frost
- Dec 27
- Frost-free season
- 328 days
- Hard freeze (28°F) ends
- Jan 18
No frost in the next 7 nights
National Weather Service forecast, updated Oct 22, 12:57 UTC
- ThuOct 2256°
- FriOct 2359°
- SatOct 2461°
- SunOct 2563°
- MonOct 2663°
- TueOct 2761°
- WedOct 2860°
Planting calendar for Iowa Colony
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 21–Mar 7
WatermelonFeb 15–Mar 1
Green beansFeb 15–Mar 8
ZucchiniFeb 15–Mar 1
OkraFeb 21–Mar 7
PeppersFeb 15–Mar 1
BasilFeb 15–Mar 1
Butternut squashFeb 15–Mar 1
CantaloupeFeb 15–Mar 1
EggplantFeb 15–Mar 1
PotatoesJan 3–Jan 17
OnionsDec 20–Jan 10
CarrotsJan 10–Feb 14
LettuceJan 17–Feb 7
BroccoliJan 3–Jan 17
BeetsJan 3–Feb 14
PeasDec 20–Jan 3
CabbageJan 3–Jan 17
RadishesDec 27–Feb 7
Brussels sproutsJan 17–Jan 31
SpinachDec 20–Jan 10
CilantroJan 17–Feb 7
KaleJan 3–Jan 17
Collard greensJan 3–Jan 17
TurnipsJan 3–Jan 17
DillJan 31–Feb 14
CeleryFeb 7–Feb 14
CauliflowerJan 17–Jan 31
LeeksJan 17–Jan 31
Swiss chardJan 17–Feb 14
ParsleyJan 17–Feb 7
Tulip bulbsDec 15–Jan 15
GarlicOct 15–Nov 30
Daffodil bulbsOct 15–Nov 30
StrawberriesJan 3–Jan 17
AsparagusJan 3–Jan 17Frost probabilities
| Threshold | Spring, 90% chance later | Spring, 50% | Spring, 10% | Fall, 10% chance earlier | Fall, 50% | Fall, 90% |
|---|---|---|---|---|---|---|
| Light frost, 32°F | Jan 1 | Jan 31 | Mar 5 | Nov 28 | Dec 27 | Jan 28 |
| Hard freeze, 28°F | Dec 22 | Jan 18 | Feb 20 | Dec 14 | 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 Clover Field (USW00012975) sits 12.2 miles from the center of Iowa Colony 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 Iowa Colony, TX?
The average last frost date in Iowa Colony is January 31, based on NOAA 1991–2020 climate normals. There is a 10% chance of frost after March 5.
When is the first frost in Iowa Colony?
The first frost in fall usually comes around December 27. One year in ten it arrives before November 28.
How long is the growing season in Iowa Colony?
About 328 days between the average last and first frost.
When should I plant tomatoes in Iowa Colony?
Plant tomato seedlings outside from February 15 to March 1. Start seeds indoors six to eight weeks earlier.
Nearby in Texas
- ManvelJan 31
- SiennaFeb 15
- FresnoFeb 15
- PearlandJan 31
- Missouri CityFeb 15
- AlvinFeb 14
- FriendswoodJan 31
- Sugar LandFeb 9
- AngletonJan 29
- League CityJan 31
- PasadenaJan 30
- DickinsonJan 31