FrostDateByZip

Frost dates for 76431Chico, TX

The average last spring frost in Chico is April 1 and the average first fall frost is November 4, giving a typical growing season of about 219 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
Apr 1

Safer after Apr 21 (1-in-10 risk)

Average first fall frost
Nov 4

Possible by Oct 20 (1-in-10 risk)

Growing season
219 days

First frost typically in 8 days

Frost risk by date

NOAA reports frost dates as probabilities. The middle date is the average (a 50% chance). For spring, the 10% date is a safer planting date: frost after it happens in about 1 year in 10. Light frost (36°F) can damage tender plants; a hard freeze (28°F) kills most annuals.

Spring dates: chance of a frost AFTER the date. Fall dates: chance of a frost BEFORE the date.
TemperatureLast spring: 90% / 50% / 10% chanceFirst fall: 10% / 50% / 90% chanceGrowing season (50%)Years with at least one
Light frost (36°F)Mar 26 · Apr 12 · Apr 30Oct 14 · Oct 27 · Nov 9198 days100%
Frost / freeze (32°F)Mar 12 · Apr 1 · Apr 21Oct 20 · Nov 4 · Nov 22219 days100%
Hard freeze (28°F)Feb 27 · Mar 18 · Apr 6Oct 28 · Nov 13 · Dec 1240 days100%

Planting calendar for Chico

Planting windows from the University of Maryland Extension calendar, shifted to your average frost dates. Use them as a starting point and adjust for seed packet instructions and local conditions.

CropTaskWindow
TomatoesStart seeds indoorsMar 1 – May 7
TomatoesTransplant outdoorsApr 17 – Jul 15
PeppersStart seeds indoorsMar 1 – Apr 1
PeppersTransplant outdoorsMay 1 – Jun 1
EggplantStart seeds indoorsMar 18 – Apr 16
EggplantTransplant outdoorsMay 1 – Jun 1
CucumbersSow outdoorsMay 1 – Jul 25
Summer squashSow outdoorsApr 17 – Jun 1
Winter squash & pumpkinsSow outdoorsMay 1 – Jun 1
Snap beansSow outdoorsApr 17 – Aug 17
Sweet cornSow outdoorsApr 17 – Jul 15
Watermelon & cantaloupeSow outdoorsMay 1 – Jun 1
OkraSow outdoorsApr 24 – May 17
PeasSow outdoors (spring)Mar 1 – Apr 16
PotatoesPlant outdoors (spring)Mar 1 – May 1
OnionsStart seeds indoors (spring)Jan 18 – Feb 14
OnionsTransplant outdoors (spring)Mar 18 – Apr 16
BroccoliStart seeds indoors (spring)Feb 11 – Mar 17
BroccoliTransplant outdoors (spring)Mar 18 – Apr 16
BroccoliStart seeds indoors (fall)Jul 5 – Jul 15
BroccoliTransplant outdoors (fall)Aug 4 – Aug 15
CabbageStart seeds indoors (spring)Feb 1 – Mar 1
CabbageTransplant outdoors (spring)Mar 1 – Apr 1
CabbageStart seeds indoors (fall)Jun 25 – Jul 25
CabbageTransplant outdoors (fall)Jul 25 – Aug 25
Leaf lettuceSow outdoors (spring)Mar 1 – May 17
Leaf lettuceSow outdoors (fall)Jul 25 – Sep 10
SpinachSow outdoors (spring)Feb 22 – Apr 7
SpinachSow outdoors (fall)Aug 11 – Sep 15
RadishesSow outdoors (spring)Mar 1 – Apr 21
RadishesSow outdoors (fall)Jul 25 – Sep 25
KaleSow outdoors (spring)Mar 18 – Apr 7
KaleSow outdoors (fall)Jul 18 – Aug 25
CarrotsSow outdoors (spring)Apr 1 – May 17
CarrotsSow outdoors (fall)Jun 25 – Aug 10
GarlicPlant outdoors (fall)Oct 25 – Nov 25

Where these dates come from

ZIP code 76431 is matched to the NOAA station Alvord 3 N, TX, 11 km away, at 1,010 ft elevation (19 ft higher than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Alvord 3 N, TX (used)1,010 ftApr 1Nov 4
Bridgeport, TX769 ftMar 29Nov 7
Decatur, TX970 ftMar 20Nov 11
Bowie, TX1,080 ftMar 27Nov 9

Frost dates near Chico

Frequently asked questions

When is the last frost in Chico, TX?
For ZIP code 76431, the average last spring frost (32°F) is April 1, based on NOAA 1991-2020 climate normals for the Alvord 3 N, TX weather station. There is a 1-in-10 chance of a frost after April 21.
When is the first frost in Chico, TX?
The average first fall frost (32°F) is November 4. There is a 1-in-10 chance of frost by October 20, so tender plants are at risk from that point on.
How long is the growing season in 76431?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 219 days long.
Are these frost dates a forecast?
No. They are 30-year averages and probabilities from NOAA weather station records. Use them to plan, then watch your local forecast before planting tender crops or leaving them uncovered.