FrostDateByZip

Frost dates for 28328Clinton, NC

The average last spring frost in Clinton is March 26 and the average first fall frost is November 7, giving a typical growing season of about 226 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
Mar 26

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

Average first fall frost
Nov 7

Possible by Oct 26 (1-in-10 risk)

Growing season
226 days

First frost typically in 4 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 22 · Apr 6 · Apr 19Oct 17 · Oct 29 · Nov 10205 days100%
Frost / freeze (32°F)Mar 8 · Mar 26 · Apr 8Oct 26 · Nov 7 · Nov 23226 days100%
Hard freeze (28°F)Feb 22 · Mar 14 · Mar 31Nov 3 · Nov 18 · Dec 9253 days100%

Planting calendar for Clinton

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 23 – May 1
TomatoesTransplant outdoorsApr 11 – Jul 18
PeppersStart seeds indoorsFeb 23 – Mar 26
PeppersTransplant outdoorsApr 25 – May 26
EggplantStart seeds indoorsMar 12 – Apr 10
EggplantTransplant outdoorsApr 25 – May 26
CucumbersSow outdoorsApr 25 – Jul 28
Summer squashSow outdoorsApr 11 – May 26
Winter squash & pumpkinsSow outdoorsApr 25 – May 26
Snap beansSow outdoorsApr 11 – Aug 20
Sweet cornSow outdoorsApr 11 – Jul 18
Watermelon & cantaloupeSow outdoorsApr 25 – May 26
OkraSow outdoorsApr 18 – May 11
PeasSow outdoors (spring)Feb 23 – Apr 10
PotatoesPlant outdoors (spring)Feb 23 – Apr 25
OnionsStart seeds indoors (spring)Jan 12 – Feb 8
OnionsTransplant outdoors (spring)Mar 12 – Apr 10
BroccoliStart seeds indoors (spring)Feb 5 – Mar 11
BroccoliTransplant outdoors (spring)Mar 12 – Apr 10
BroccoliStart seeds indoors (fall)Jul 8 – Jul 18
BroccoliTransplant outdoors (fall)Aug 7 – Aug 18
CabbageStart seeds indoors (spring)Jan 26 – Feb 23
CabbageTransplant outdoors (spring)Feb 23 – Mar 26
CabbageStart seeds indoors (fall)Jun 28 – Jul 28
CabbageTransplant outdoors (fall)Jul 28 – Aug 28
Leaf lettuceSow outdoors (spring)Feb 23 – May 11
Leaf lettuceSow outdoors (fall)Jul 28 – Sep 13
SpinachSow outdoors (spring)Feb 16 – Apr 1
SpinachSow outdoors (fall)Aug 14 – Sep 18
RadishesSow outdoors (spring)Feb 23 – Apr 15
RadishesSow outdoors (fall)Jul 28 – Sep 28
KaleSow outdoors (spring)Mar 12 – Apr 1
KaleSow outdoors (fall)Jul 21 – Aug 28
CarrotsSow outdoors (spring)Mar 26 – May 11
CarrotsSow outdoors (fall)Jun 28 – Aug 13
GarlicPlant outdoors (fall)Oct 28 – Nov 28

Where these dates come from

ZIP code 28328 is matched to the NOAA station Clinton 2 Ne, NC, 4.7 km away, at 158 ft elevation (20 ft higher than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Clinton 2 Ne, NC (used)158 ftMar 26Nov 7
Warsaw 5 E, NC110 ftApr 7Oct 30
Mt Olive 6Se, NC162 ftMar 28Nov 7
Wallace 1Se, NC35 ftApr 1Nov 7

Frost dates near Clinton

Frequently asked questions

When is the last frost in Clinton, NC?
For ZIP code 28328, the average last spring frost (32°F) is March 26, based on NOAA 1991-2020 climate normals for the Clinton 2 Ne, NC weather station. There is a 1-in-10 chance of a frost after April 8.
When is the first frost in Clinton, NC?
The average first fall frost (32°F) is November 7. There is a 1-in-10 chance of frost by October 26, so tender plants are at risk from that point on.
How long is the growing season in 28328?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 226 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.