FrostDateByZip

Frost dates for 75476Ravenna, TX

The average last spring frost in Ravenna is March 16 and the average first fall frost is November 13, giving a typical growing season of about 242 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
Mar 16

Safer after Apr 4 (1-in-10 risk)

Average first fall frost
Nov 13

Possible by Oct 29 (1-in-10 risk)

Growing season
242 days

First frost typically in 17 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 11 · Mar 31 · Apr 19Oct 20 · Nov 3 · Nov 19217 days100%
Frost / freeze (32°F)Feb 28 · Mar 16 · Apr 4Oct 29 · Nov 13 · Dec 1242 days100%
Hard freeze (28°F)Feb 13 · Mar 4 · Mar 22Nov 5 · Nov 24 · Dec 15265 days100%

Planting calendar for Ravenna

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 indoorsFeb 13 – Apr 21
TomatoesTransplant outdoorsApr 1 – Jul 24
PeppersStart seeds indoorsFeb 13 – Mar 16
PeppersTransplant outdoorsApr 15 – May 16
EggplantStart seeds indoorsMar 2 – Mar 31
EggplantTransplant outdoorsApr 15 – May 16
CucumbersSow outdoorsApr 15 – Aug 3
Summer squashSow outdoorsApr 1 – May 16
Winter squash & pumpkinsSow outdoorsApr 15 – May 16
Snap beansSow outdoorsApr 1 – Aug 26
Sweet cornSow outdoorsApr 1 – Jul 24
Watermelon & cantaloupeSow outdoorsApr 15 – May 16
OkraSow outdoorsApr 8 – May 1
PeasSow outdoors (spring)Feb 13 – Mar 31
PotatoesPlant outdoors (spring)Feb 13 – Apr 15
OnionsStart seeds indoors (spring)Jan 2 – Jan 29
OnionsTransplant outdoors (spring)Mar 2 – Mar 31
BroccoliStart seeds indoors (spring)Jan 26 – Mar 1
BroccoliTransplant outdoors (spring)Mar 2 – Mar 31
BroccoliStart seeds indoors (fall)Jul 14 – Jul 24
BroccoliTransplant outdoors (fall)Aug 13 – Aug 24
CabbageStart seeds indoors (spring)Jan 16 – Feb 13
CabbageTransplant outdoors (spring)Feb 13 – Mar 16
CabbageStart seeds indoors (fall)Jul 4 – Aug 3
CabbageTransplant outdoors (fall)Aug 3 – Sep 3
Leaf lettuceSow outdoors (spring)Feb 13 – May 1
Leaf lettuceSow outdoors (fall)Aug 3 – Sep 19
SpinachSow outdoors (spring)Feb 6 – Mar 22
SpinachSow outdoors (fall)Aug 20 – Sep 24
RadishesSow outdoors (spring)Feb 13 – Apr 5
RadishesSow outdoors (fall)Aug 3 – Oct 4
KaleSow outdoors (spring)Mar 2 – Mar 22
KaleSow outdoors (fall)Jul 27 – Sep 3
CarrotsSow outdoors (spring)Mar 16 – May 1
CarrotsSow outdoors (fall)Jul 4 – Aug 19
GarlicPlant outdoors (fall)Nov 3 – Dec 4

Where these dates come from

ZIP code 75476 is matched to the NOAA station Bonham 3Nne, TX, 8 km away, at 592 ft elevation (15 ft lower than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Bonham 3Nne, TX (used)592 ftMar 16Nov 13
Durant 6Sse Mesonet, OK646 ftMar 19Nov 12
Durant, OK600 ftMar 31Nov 5
Sherman, TX760 ftMar 14Nov 19

Frost dates near Ravenna

Frequently asked questions

When is the last frost in Ravenna, TX?
For ZIP code 75476, the average last spring frost (32°F) is March 16, based on NOAA 1991-2020 climate normals for the Bonham 3Nne, TX weather station. There is a 1-in-10 chance of a frost after April 4.
When is the first frost in Ravenna, TX?
The average first fall frost (32°F) is November 13. There is a 1-in-10 chance of frost by October 29, so tender plants are at risk from that point on.
How long is the growing season in 75476?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 242 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.