FrostDateByZip

Frost dates for 04493West Enfield, ME

The average last spring frost in West Enfield is May 4 and the average first fall frost is October 6, giving a typical growing season of about 153 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
May 4

Safer after May 16 (1-in-10 risk)

Average first fall frost
Oct 6

Possible by Sep 24 (1-in-10 risk)

Growing season
153 days

Last frost typically in 184 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)May 5 · May 17 · Jun 1Sep 14 · Sep 26 · Oct 7131 days100%
Frost / freeze (32°F)Apr 25 · May 4 · May 16Sep 24 · Oct 6 · Oct 20153 days100%
Hard freeze (28°F)Apr 13 · Apr 24 · May 4Oct 2 · Oct 18 · Nov 2176 days100%

Planting calendar for West Enfield

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 indoorsApr 3 – Jun 9
TomatoesTransplant outdoorsMay 20 – Jun 16
PeppersStart seeds indoorsApr 3 – May 4
PeppersTransplant outdoorsJun 3 – Jul 4
EggplantStart seeds indoorsApr 20 – May 19
EggplantTransplant outdoorsJun 3 – Jul 4
CucumbersSow outdoorsJun 3 – Jun 26
Summer squashSow outdoorsMay 20 – Jul 4
Winter squash & pumpkinsSow outdoorsJun 3 – Jul 4
Snap beansSow outdoorsMay 20 – Jul 19
Sweet cornSow outdoorsMay 20 – Jun 16
Watermelon & cantaloupeSow outdoorsJun 3 – Jul 4
OkraSow outdoorsMay 27 – Jun 19
PeasSow outdoors (spring)Apr 3 – May 19
PotatoesPlant outdoors (spring)Apr 3 – Jun 3
OnionsStart seeds indoors (spring)Feb 20 – Mar 19
OnionsTransplant outdoors (spring)Apr 20 – May 19
BroccoliStart seeds indoors (spring)Mar 16 – Apr 19
BroccoliTransplant outdoors (spring)Apr 20 – May 19
BroccoliStart seeds indoors (fall)Jun 6 – Jun 16
BroccoliTransplant outdoors (fall)Jul 6 – Jul 17
CabbageStart seeds indoors (spring)Mar 6 – Apr 3
CabbageTransplant outdoors (spring)Apr 3 – May 4
CabbageStart seeds indoors (fall)May 27 – Jun 26
CabbageTransplant outdoors (fall)Jun 26 – Jul 27
Leaf lettuceSow outdoors (spring)Apr 3 – Jun 19
Leaf lettuceSow outdoors (fall)Jun 26 – Aug 12
SpinachSow outdoors (spring)Mar 27 – May 10
SpinachSow outdoors (fall)Jul 13 – Aug 17
RadishesSow outdoors (spring)Apr 3 – May 24
RadishesSow outdoors (fall)Jun 26 – Aug 27
KaleSow outdoors (spring)Apr 20 – May 10
KaleSow outdoors (fall)Jun 19 – Jul 27
CarrotsSow outdoors (spring)May 4 – Jun 19
CarrotsSow outdoors (fall)May 27 – Jul 12
GarlicPlant outdoors (fall)Sep 26 – Oct 27

Where these dates come from

ZIP code 04493 is matched to the NOAA station Lincoln Sanitary District/Wtp, ME, 15.4 km away, at 190 ft elevation (0 ft higher than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Lincoln Sanitary District/Wtp, ME (used)190 ftMay 4Oct 6
Old Town 2 W, ME127 ftMay 13Sep 28
Orono, ME115 ftMay 1Oct 6
Millinocket Wastewater, ME360 ftMay 17Sep 29

Frost dates near West Enfield

Frequently asked questions

When is the last frost in West Enfield, ME?
For ZIP code 04493, the average last spring frost (32°F) is May 4, based on NOAA 1991-2020 climate normals for the Lincoln Sanitary District/Wtp, ME weather station. There is a 1-in-10 chance of a frost after May 16.
When is the first frost in West Enfield, ME?
The average first fall frost (32°F) is October 6. There is a 1-in-10 chance of frost by September 24, so tender plants are at risk from that point on.
How long is the growing season in 04493?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 153 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.