FrostDateByZip

Frost dates for 04263Leeds, ME

The average last spring frost in Leeds is May 1 and the average first fall frost is October 10, giving a typical growing season of about 162 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
May 1

Safer after May 13 (1-in-10 risk)

Average first fall frost
Oct 10

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

Growing season
162 days

Last frost typically in 181 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 2 · May 13 · May 26Sep 17 · Sep 30 · Oct 12138 days100%
Frost / freeze (32°F)Apr 19 · May 1 · May 13Sep 29 · Oct 10 · Oct 27162 days100%
Hard freeze (28°F)Apr 6 · Apr 19 · Apr 30Oct 9 · Oct 25 · Nov 8189 days100%

Planting calendar for Leeds

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 31 – Jun 6
TomatoesTransplant outdoorsMay 17 – Jun 20
PeppersStart seeds indoorsMar 31 – May 1
PeppersTransplant outdoorsMay 31 – Jul 1
EggplantStart seeds indoorsApr 17 – May 16
EggplantTransplant outdoorsMay 31 – Jul 1
CucumbersSow outdoorsMay 31 – Jun 30
Summer squashSow outdoorsMay 17 – Jul 1
Winter squash & pumpkinsSow outdoorsMay 31 – Jul 1
Snap beansSow outdoorsMay 17 – Jul 23
Sweet cornSow outdoorsMay 17 – Jun 20
Watermelon & cantaloupeSow outdoorsMay 31 – Jul 1
OkraSow outdoorsMay 24 – Jun 16
PeasSow outdoors (spring)Mar 31 – May 16
PotatoesPlant outdoors (spring)Mar 31 – May 31
OnionsStart seeds indoors (spring)Feb 17 – Mar 16
OnionsTransplant outdoors (spring)Apr 17 – May 16
BroccoliStart seeds indoors (spring)Mar 13 – Apr 16
BroccoliTransplant outdoors (spring)Apr 17 – May 16
BroccoliStart seeds indoors (fall)Jun 10 – Jun 20
BroccoliTransplant outdoors (fall)Jul 10 – Jul 21
CabbageStart seeds indoors (spring)Mar 3 – Mar 31
CabbageTransplant outdoors (spring)Mar 31 – May 1
CabbageStart seeds indoors (fall)May 31 – Jun 30
CabbageTransplant outdoors (fall)Jun 30 – Jul 31
Leaf lettuceSow outdoors (spring)Mar 31 – Jun 16
Leaf lettuceSow outdoors (fall)Jun 30 – Aug 16
SpinachSow outdoors (spring)Mar 24 – May 7
SpinachSow outdoors (fall)Jul 17 – Aug 21
RadishesSow outdoors (spring)Mar 31 – May 21
RadishesSow outdoors (fall)Jun 30 – Aug 31
KaleSow outdoors (spring)Apr 17 – May 7
KaleSow outdoors (fall)Jun 23 – Jul 31
CarrotsSow outdoors (spring)May 1 – Jun 16
CarrotsSow outdoors (fall)May 31 – Jul 16
GarlicPlant outdoors (fall)Sep 30 – Oct 31

Where these dates come from

ZIP code 04263 is matched to the NOAA station Turner, ME, 10.4 km away, at 565 ft elevation (220 ft higher than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Turner, ME (used)565 ftMay 1Oct 10
Hartford, ME705 ftMay 6Oct 3
Livermore Falls 1 E, ME380 ftMay 11Sep 29
Lewiston, ME180 ftApr 25Oct 19

Frost dates near Leeds

Frequently asked questions

When is the last frost in Leeds, ME?
For ZIP code 04263, the average last spring frost (32°F) is May 1, based on NOAA 1991-2020 climate normals for the Turner, ME weather station. There is a 1-in-10 chance of a frost after May 13.
When is the first frost in Leeds, ME?
The average first fall frost (32°F) is October 10. There is a 1-in-10 chance of frost by September 29, so tender plants are at risk from that point on.
How long is the growing season in 04263?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 162 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.