FrostDateByZip

Frost dates for 28203Charlotte, NC

The average last spring frost in Charlotte is March 30 and the average first fall frost is November 3, giving a typical growing season of about 221 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
Mar 30

Safer after Apr 14 (1-in-10 risk)

Average first fall frost
Nov 3

Possible by Oct 22 (1-in-10 risk)

Growing season
221 days

First frost typically in 0 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 26 · Apr 11 · Apr 28Oct 15 · Oct 27 · Nov 7200 days100%
Frost / freeze (32°F)Mar 12 · Mar 30 · Apr 14Oct 22 · Nov 3 · Nov 17221 days100%
Hard freeze (28°F)Feb 25 · Mar 17 · Apr 3Nov 1 · Nov 14 · Dec 2245 days100%

Planting calendar for Charlotte

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 27 – May 5
TomatoesTransplant outdoorsApr 15 – Jul 14
PeppersStart seeds indoorsFeb 27 – Mar 30
PeppersTransplant outdoorsApr 29 – May 30
EggplantStart seeds indoorsMar 16 – Apr 14
EggplantTransplant outdoorsApr 29 – May 30
CucumbersSow outdoorsApr 29 – Jul 24
Summer squashSow outdoorsApr 15 – May 30
Winter squash & pumpkinsSow outdoorsApr 29 – May 30
Snap beansSow outdoorsApr 15 – Aug 16
Sweet cornSow outdoorsApr 15 – Jul 14
Watermelon & cantaloupeSow outdoorsApr 29 – May 30
OkraSow outdoorsApr 22 – May 15
PeasSow outdoors (spring)Feb 27 – Apr 14
PotatoesPlant outdoors (spring)Feb 27 – Apr 29
OnionsStart seeds indoors (spring)Jan 16 – Feb 12
OnionsTransplant outdoors (spring)Mar 16 – Apr 14
BroccoliStart seeds indoors (spring)Feb 9 – Mar 15
BroccoliTransplant outdoors (spring)Mar 16 – Apr 14
BroccoliStart seeds indoors (fall)Jul 4 – Jul 14
BroccoliTransplant outdoors (fall)Aug 3 – Aug 14
CabbageStart seeds indoors (spring)Jan 30 – Feb 27
CabbageTransplant outdoors (spring)Feb 27 – Mar 30
CabbageStart seeds indoors (fall)Jun 24 – Jul 24
CabbageTransplant outdoors (fall)Jul 24 – Aug 24
Leaf lettuceSow outdoors (spring)Feb 27 – May 15
Leaf lettuceSow outdoors (fall)Jul 24 – Sep 9
SpinachSow outdoors (spring)Feb 20 – Apr 5
SpinachSow outdoors (fall)Aug 10 – Sep 14
RadishesSow outdoors (spring)Feb 27 – Apr 19
RadishesSow outdoors (fall)Jul 24 – Sep 24
KaleSow outdoors (spring)Mar 16 – Apr 5
KaleSow outdoors (fall)Jul 17 – Aug 24
CarrotsSow outdoors (spring)Mar 30 – May 15
CarrotsSow outdoors (fall)Jun 24 – Aug 9
GarlicPlant outdoors (fall)Oct 24 – Nov 24

Where these dates come from

ZIP code 28203 is matched to the NOAA station Charlotte Douglas Ap, NC, 9 km away, at 728 ft elevation (0 ft higher than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Charlotte Douglas Ap, NC (used)728 ftMar 30Nov 3
Gastonia, NC700 ftMar 27Nov 9
Gastonia Muni Ap, NC797 ftMar 24Nov 9
Monroe Ap, NC679 ftMar 31Nov 5

Frost dates near Charlotte

Frequently asked questions

When is the last frost in Charlotte, NC?
For ZIP code 28203, the average last spring frost (32°F) is March 30, based on NOAA 1991-2020 climate normals for the Charlotte Douglas Ap, NC weather station. There is a 1-in-10 chance of a frost after April 14.
When is the first frost in Charlotte, NC?
The average first fall frost (32°F) is November 3. There is a 1-in-10 chance of frost by October 22, so tender plants are at risk from that point on.
How long is the growing season in 28203?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 221 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.