FrostDateByZip

Frost dates for 05654Graniteville, VT

The average last spring frost in Graniteville is May 16 and the average first fall frost is September 29, giving a typical growing season of about 136 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
May 16

Safer after May 30 (1-in-10 risk)

Average first fall frost
Sep 29

Possible by Sep 16 (1-in-10 risk)

Growing season
136 days

Last frost typically in 194 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 15 · May 30 · Jun 12Sep 7 · Sep 20 · Oct 2112 days100%
Frost / freeze (32°F)May 2 · May 16 · May 30Sep 16 · Sep 29 · Oct 12136 days100%
Hard freeze (28°F)Apr 20 · May 3 · May 17Sep 27 · Oct 9 · Oct 26158 days100%

Planting calendar for Graniteville

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 15 – Jun 21
TomatoesTransplant outdoorsJun 1 – Jun 9
PeppersStart seeds indoorsApr 15 – May 16
PeppersTransplant outdoorsJun 15 – Jul 16
EggplantStart seeds indoorsMay 2 – May 31
EggplantTransplant outdoorsJun 15 – Jul 16
CucumbersSow outdoorsJun 15 – Jun 19
Summer squashSow outdoorsJun 1 – Jul 16
Winter squash & pumpkinsSow outdoorsJun 15 – Jul 16
Snap beansSow outdoorsJun 1 – Jul 12
Sweet cornSow outdoorsJun 1 – Jun 9
Watermelon & cantaloupeSow outdoorsJun 15 – Jul 16
OkraSow outdoorsJun 8 – Jul 1
PeasSow outdoors (spring)Apr 15 – May 31
PotatoesPlant outdoors (spring)Apr 15 – Jun 15
OnionsStart seeds indoors (spring)Mar 4 – Mar 31
OnionsTransplant outdoors (spring)May 2 – May 31
BroccoliStart seeds indoors (spring)Mar 28 – May 1
BroccoliTransplant outdoors (spring)May 2 – May 31
BroccoliStart seeds indoors (fall)May 30 – Jun 9
BroccoliTransplant outdoors (fall)Jun 29 – Jul 10
CabbageStart seeds indoors (spring)Mar 18 – Apr 15
CabbageTransplant outdoors (spring)Apr 15 – May 16
CabbageStart seeds indoors (fall)May 20 – Jun 19
CabbageTransplant outdoors (fall)Jun 19 – Jul 20
Leaf lettuceSow outdoors (spring)Apr 15 – Jul 1
Leaf lettuceSow outdoors (fall)Jun 19 – Aug 5
SpinachSow outdoors (spring)Apr 8 – May 22
SpinachSow outdoors (fall)Jul 6 – Aug 10
RadishesSow outdoors (spring)Apr 15 – Jun 5
RadishesSow outdoors (fall)Jun 19 – Aug 20
KaleSow outdoors (spring)May 2 – May 22
KaleSow outdoors (fall)Jun 12 – Jul 20
CarrotsSow outdoors (spring)May 16 – Jul 1
CarrotsSow outdoors (fall)May 20 – Jul 5
GarlicPlant outdoors (fall)Sep 19 – Oct 20

Where these dates come from

ZIP code 05654 is matched to the NOAA station Barre Montpelier Ap, VT, 9 km away, at 1,126 ft elevation (150 ft lower than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Barre Montpelier Ap, VT (used)1,126 ftMay 16Sep 29
Northfield, VT670 ftMay 18Sep 28
Montpelier 2, VT530 ftMay 5Oct 9
Plainfield, VT800 ftMay 25Sep 22

Frost dates near Graniteville

Frequently asked questions

When is the last frost in Graniteville, VT?
For ZIP code 05654, the average last spring frost (32°F) is May 16, based on NOAA 1991-2020 climate normals for the Barre Montpelier Ap, VT weather station. There is a 1-in-10 chance of a frost after May 30.
When is the first frost in Graniteville, VT?
The average first fall frost (32°F) is September 29. There is a 1-in-10 chance of frost by September 16, so tender plants are at risk from that point on.
How long is the growing season in 05654?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 136 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.