FrostDateByZip

Frost dates for 28451Leland, NC

The average last spring frost in Leland is March 29 and the average first fall frost is November 8, giving a typical growing season of about 226 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
Mar 29

Safer after Apr 11 (1-in-10 risk)

Average first fall frost
Nov 8

Possible by Oct 27 (1-in-10 risk)

Growing season
226 days

First frost typically in 5 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 25 · Apr 8 · Apr 22Oct 17 · Oct 30 · Nov 11206 days100%
Frost / freeze (32°F)Mar 12 · Mar 29 · Apr 11Oct 27 · Nov 8 · Nov 26226 days100%
Hard freeze (28°F)Feb 26 · Mar 16 · Apr 1Nov 4 · Nov 20 · Dec 8249 days100%

Planting calendar for Leland

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 26 – May 4
TomatoesTransplant outdoorsApr 14 – Jul 19
PeppersStart seeds indoorsFeb 26 – Mar 29
PeppersTransplant outdoorsApr 28 – May 29
EggplantStart seeds indoorsMar 15 – Apr 13
EggplantTransplant outdoorsApr 28 – May 29
CucumbersSow outdoorsApr 28 – Jul 29
Summer squashSow outdoorsApr 14 – May 29
Winter squash & pumpkinsSow outdoorsApr 28 – May 29
Snap beansSow outdoorsApr 14 – Aug 21
Sweet cornSow outdoorsApr 14 – Jul 19
Watermelon & cantaloupeSow outdoorsApr 28 – May 29
OkraSow outdoorsApr 21 – May 14
PeasSow outdoors (spring)Feb 26 – Apr 13
PotatoesPlant outdoors (spring)Feb 26 – Apr 28
OnionsStart seeds indoors (spring)Jan 15 – Feb 11
OnionsTransplant outdoors (spring)Mar 15 – Apr 13
BroccoliStart seeds indoors (spring)Feb 8 – Mar 14
BroccoliTransplant outdoors (spring)Mar 15 – Apr 13
BroccoliStart seeds indoors (fall)Jul 9 – Jul 19
BroccoliTransplant outdoors (fall)Aug 8 – Aug 19
CabbageStart seeds indoors (spring)Jan 29 – Feb 26
CabbageTransplant outdoors (spring)Feb 26 – Mar 29
CabbageStart seeds indoors (fall)Jun 29 – Jul 29
CabbageTransplant outdoors (fall)Jul 29 – Aug 29
Leaf lettuceSow outdoors (spring)Feb 26 – May 14
Leaf lettuceSow outdoors (fall)Jul 29 – Sep 14
SpinachSow outdoors (spring)Feb 19 – Apr 4
SpinachSow outdoors (fall)Aug 15 – Sep 19
RadishesSow outdoors (spring)Feb 26 – Apr 18
RadishesSow outdoors (fall)Jul 29 – Sep 29
KaleSow outdoors (spring)Mar 15 – Apr 4
KaleSow outdoors (fall)Jul 22 – Aug 29
CarrotsSow outdoors (spring)Mar 29 – May 14
CarrotsSow outdoors (fall)Jun 29 – Aug 14
GarlicPlant outdoors (fall)Oct 29 – Nov 29

Where these dates come from

ZIP code 28451 is matched to the NOAA station Wilmington 7 N, NC, 13.9 km away, at 40 ft elevation (1 ft higher than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Wilmington 7 N, NC (used)40 ftMar 29Nov 8
Wilmington Intl Ap, NC33 ftMar 19Nov 20
Wilmington 7 Se, NC30 ftMar 20Nov 15
Moores Creek Nb, NC22 ftMar 27Nov 8

Frost dates near Leland

Frequently asked questions

When is the last frost in Leland, NC?
For ZIP code 28451, the average last spring frost (32°F) is March 29, based on NOAA 1991-2020 climate normals for the Wilmington 7 N, NC weather station. There is a 1-in-10 chance of a frost after April 11.
When is the first frost in Leland, NC?
The average first fall frost (32°F) is November 8. There is a 1-in-10 chance of frost by October 27, so tender plants are at risk from that point on.
How long is the growing season in 28451?
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.