FrostDateByZip

Frost dates for 28532Havelock, NC

The average last spring frost in Havelock is March 19 and the average first fall frost is November 22, giving a typical growing season of about 249 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
Mar 19

Safer after Apr 4 (1-in-10 risk)

Average first fall frost
Nov 22

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

Growing season
249 days

First frost typically in 19 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 15 · Mar 31 · Apr 14Oct 28 · Nov 10 · Nov 27224 days100%
Frost / freeze (32°F)Feb 26 · Mar 19 · Apr 4Nov 5 · Nov 22 · Dec 12249 days100%
Hard freeze (28°F)Feb 4 · Mar 3 · Mar 25Nov 16 · Dec 9 · Jan 5279 days100%

Planting calendar for Havelock

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 16 – Apr 24
TomatoesTransplant outdoorsApr 4 – Aug 2
PeppersStart seeds indoorsFeb 16 – Mar 19
PeppersTransplant outdoorsApr 18 – May 19
EggplantStart seeds indoorsMar 5 – Apr 3
EggplantTransplant outdoorsApr 18 – May 19
CucumbersSow outdoorsApr 18 – Aug 12
Summer squashSow outdoorsApr 4 – May 19
Winter squash & pumpkinsSow outdoorsApr 18 – May 19
Snap beansSow outdoorsApr 4 – Sep 4
Sweet cornSow outdoorsApr 4 – Aug 2
Watermelon & cantaloupeSow outdoorsApr 18 – May 19
OkraSow outdoorsApr 11 – May 4
PeasSow outdoors (spring)Feb 16 – Apr 3
PotatoesPlant outdoors (spring)Feb 16 – Apr 18
OnionsStart seeds indoors (spring)Jan 5 – Feb 1
OnionsTransplant outdoors (spring)Mar 5 – Apr 3
BroccoliStart seeds indoors (spring)Jan 29 – Mar 4
BroccoliTransplant outdoors (spring)Mar 5 – Apr 3
BroccoliStart seeds indoors (fall)Jul 23 – Aug 2
BroccoliTransplant outdoors (fall)Aug 22 – Sep 2
CabbageStart seeds indoors (spring)Jan 19 – Feb 16
CabbageTransplant outdoors (spring)Feb 16 – Mar 19
CabbageStart seeds indoors (fall)Jul 13 – Aug 12
CabbageTransplant outdoors (fall)Aug 12 – Sep 12
Leaf lettuceSow outdoors (spring)Feb 16 – May 4
Leaf lettuceSow outdoors (fall)Aug 12 – Sep 28
SpinachSow outdoors (spring)Feb 9 – Mar 25
SpinachSow outdoors (fall)Aug 29 – Oct 3
RadishesSow outdoors (spring)Feb 16 – Apr 8
RadishesSow outdoors (fall)Aug 12 – Oct 13
KaleSow outdoors (spring)Mar 5 – Mar 25
KaleSow outdoors (fall)Aug 5 – Sep 12
CarrotsSow outdoors (spring)Mar 19 – May 4
CarrotsSow outdoors (fall)Jul 13 – Aug 28
GarlicPlant outdoors (fall)Nov 12 – Dec 13

Where these dates come from

ZIP code 28532 is matched to the NOAA station Cherry Point Mcas, NC, 0.7 km away, at 29 ft elevation (3 ft higher than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Cherry Point Mcas, NC (used)29 ftMar 19Nov 22
Newport/Morehead City Wfo, NC30 ftMar 26Nov 16
Morehead City 2 Wnw, NC10 ftMar 18Nov 21
New Bern Craven Co Ap, NC19 ftMar 23Nov 15

Frost dates near Havelock

Frequently asked questions

When is the last frost in Havelock, NC?
For ZIP code 28532, the average last spring frost (32°F) is March 19, based on NOAA 1991-2020 climate normals for the Cherry Point Mcas, NC weather station. There is a 1-in-10 chance of a frost after April 4.
When is the first frost in Havelock, NC?
The average first fall frost (32°F) is November 22. There is a 1-in-10 chance of frost by November 5, so tender plants are at risk from that point on.
How long is the growing season in 28532?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 249 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.