FrostDateByZip

Frost dates for 02333East Bridgewater, MA

The average last spring frost in East Bridgewater is April 22 and the average first fall frost is October 19, giving a typical growing season of about 178 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
Apr 22

Safer after May 5 (1-in-10 risk)

Average first fall frost
Oct 19

Possible by Oct 5 (1-in-10 risk)

Growing season
178 days

Last frost typically in 173 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)Apr 24 · May 5 · May 18Sep 26 · Oct 7 · Oct 22155 days100%
Frost / freeze (32°F)Apr 8 · Apr 22 · May 5Oct 5 · Oct 19 · Nov 3178 days100%
Hard freeze (28°F)Mar 27 · Apr 6 · Apr 20Oct 16 · Oct 31 · Nov 15205 days100%

Planting calendar for East Bridgewater

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 22 – May 28
TomatoesTransplant outdoorsMay 8 – Jun 29
PeppersStart seeds indoorsMar 22 – Apr 22
PeppersTransplant outdoorsMay 22 – Jun 22
EggplantStart seeds indoorsApr 8 – May 7
EggplantTransplant outdoorsMay 22 – Jun 22
CucumbersSow outdoorsMay 22 – Jul 9
Summer squashSow outdoorsMay 8 – Jun 22
Winter squash & pumpkinsSow outdoorsMay 22 – Jun 22
Snap beansSow outdoorsMay 8 – Aug 1
Sweet cornSow outdoorsMay 8 – Jun 29
Watermelon & cantaloupeSow outdoorsMay 22 – Jun 22
OkraSow outdoorsMay 15 – Jun 7
PeasSow outdoors (spring)Mar 22 – May 7
PotatoesPlant outdoors (spring)Mar 22 – May 22
OnionsStart seeds indoors (spring)Feb 8 – Mar 7
OnionsTransplant outdoors (spring)Apr 8 – May 7
BroccoliStart seeds indoors (spring)Mar 4 – Apr 7
BroccoliTransplant outdoors (spring)Apr 8 – May 7
BroccoliStart seeds indoors (fall)Jun 19 – Jun 29
BroccoliTransplant outdoors (fall)Jul 19 – Jul 30
CabbageStart seeds indoors (spring)Feb 22 – Mar 22
CabbageTransplant outdoors (spring)Mar 22 – Apr 22
CabbageStart seeds indoors (fall)Jun 9 – Jul 9
CabbageTransplant outdoors (fall)Jul 9 – Aug 9
Leaf lettuceSow outdoors (spring)Mar 22 – Jun 7
Leaf lettuceSow outdoors (fall)Jul 9 – Aug 25
SpinachSow outdoors (spring)Mar 15 – Apr 28
SpinachSow outdoors (fall)Jul 26 – Aug 30
RadishesSow outdoors (spring)Mar 22 – May 12
RadishesSow outdoors (fall)Jul 9 – Sep 9
KaleSow outdoors (spring)Apr 8 – Apr 28
KaleSow outdoors (fall)Jul 2 – Aug 9
CarrotsSow outdoors (spring)Apr 22 – Jun 7
CarrotsSow outdoors (fall)Jun 9 – Jul 25
GarlicPlant outdoors (fall)Oct 9 – Nov 9

Where these dates come from

ZIP code 02333 is matched to the NOAA station Brockton, MA, 5.5 km away, at 75 ft elevation (23 ft lower than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Brockton, MA (used)75 ftApr 22Oct 19
Bridgewater, MA40 ftMay 1Oct 9
Middleboro, MA45 ftApr 23Oct 16
Taunton, MA20 ftApr 22Oct 19

Frost dates near East Bridgewater

Frequently asked questions

When is the last frost in East Bridgewater, MA?
For ZIP code 02333, the average last spring frost (32°F) is April 22, based on NOAA 1991-2020 climate normals for the Brockton, MA weather station. There is a 1-in-10 chance of a frost after May 5.
When is the first frost in East Bridgewater, MA?
The average first fall frost (32°F) is October 19. There is a 1-in-10 chance of frost by October 5, so tender plants are at risk from that point on.
How long is the growing season in 02333?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 178 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.