FrostDateByZip

Frost dates for 95526Bridgeville, CA

The average last spring frost in Bridgeville is March 4 and the average first fall frost is November 22, giving a typical growing season of about 264 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
Mar 4

Safer after Apr 8 (1-in-10 risk)

Average first fall frost
Nov 22

Possible by Nov 1 (1-in-10 risk)

Growing season
264 days

First frost typically in 20 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 14 · Apr 8 · Apr 26Oct 19 · Nov 5 · Nov 23210 days100%
Frost / freeze (32°F)Jan 27 · Mar 4 · Apr 8Nov 1 · Nov 22 · Dec 15264 days100%
Hard freeze (28°F)Dec 6 · Jan 19 · Feb 28Nov 16 · Dec 8 · Jan 24330 days84%

Planting calendar for Bridgeville

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 1 – Apr 9
TomatoesTransplant outdoorsMar 20 – Aug 2
PeppersStart seeds indoorsFeb 1 – Mar 4
PeppersTransplant outdoorsApr 3 – May 4
EggplantStart seeds indoorsFeb 18 – Mar 19
EggplantTransplant outdoorsApr 3 – May 4
CucumbersSow outdoorsApr 3 – Aug 12
Summer squashSow outdoorsMar 20 – May 4
Winter squash & pumpkinsSow outdoorsApr 3 – May 4
Snap beansSow outdoorsMar 20 – Sep 4
Sweet cornSow outdoorsMar 20 – Aug 2
Watermelon & cantaloupeSow outdoorsApr 3 – May 4
OkraSow outdoorsMar 27 – Apr 19
PeasSow outdoors (spring)Feb 1 – Mar 19
PotatoesPlant outdoors (spring)Feb 1 – Apr 3
OnionsStart seeds indoors (spring)Dec 21 – Jan 17
OnionsTransplant outdoors (spring)Feb 18 – Mar 19
BroccoliStart seeds indoors (spring)Jan 14 – Feb 17
BroccoliTransplant outdoors (spring)Feb 18 – Mar 19
BroccoliStart seeds indoors (fall)Jul 23 – Aug 2
BroccoliTransplant outdoors (fall)Aug 22 – Sep 2
CabbageStart seeds indoors (spring)Jan 4 – Feb 1
CabbageTransplant outdoors (spring)Feb 1 – Mar 4
CabbageStart seeds indoors (fall)Jul 13 – Aug 12
CabbageTransplant outdoors (fall)Aug 12 – Sep 12
Leaf lettuceSow outdoors (spring)Feb 1 – Apr 19
Leaf lettuceSow outdoors (fall)Aug 12 – Sep 28
SpinachSow outdoors (spring)Jan 25 – Mar 10
SpinachSow outdoors (fall)Aug 29 – Oct 3
RadishesSow outdoors (spring)Feb 1 – Mar 24
RadishesSow outdoors (fall)Aug 12 – Oct 13
KaleSow outdoors (spring)Feb 18 – Mar 10
KaleSow outdoors (fall)Aug 5 – Sep 12
CarrotsSow outdoors (spring)Mar 4 – Apr 19
CarrotsSow outdoors (fall)Jul 13 – Aug 28
GarlicPlant outdoors (fall)Nov 12 – Dec 13

Where these dates come from

ZIP code 95526 is matched to the NOAA station Grizzly Creek Sp, CA, 9.4 km away, at 413 ft elevation (217 ft lower than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Grizzly Creek Sp, CA (used)413 ftMar 4Nov 22
Scotia, CA136 ftFeb 1Dec 19
Eureka Wfo Woodley Island, CA20 ftFeb 22Dec 7
Richardson Gr Sp, CA503 ftMar 10Dec 1

Frost dates near Bridgeville

Frequently asked questions

When is the last frost in Bridgeville, CA?
For ZIP code 95526, the average last spring frost (32°F) is March 4, based on NOAA 1991-2020 climate normals for the Grizzly Creek Sp, CA weather station. There is a 1-in-10 chance of a frost after April 8.
When is the first frost in Bridgeville, CA?
The average first fall frost (32°F) is November 22. There is a 1-in-10 chance of frost by November 1, so tender plants are at risk from that point on.
How long is the growing season in 95526?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 264 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.