FrostDateByZip

Frost dates for 28270Charlotte, NC

The average last spring frost in Charlotte is March 31 and the average first fall frost is November 5, giving a typical growing season of about 220 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
Mar 31

Safer after Apr 16 (1-in-10 risk)

Average first fall frost
Nov 5

Possible by Oct 23 (1-in-10 risk)

Growing season
220 days

First frost typically in 2 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 12 · Apr 26Oct 14 · Oct 27 · Nov 7197 days100%
Frost / freeze (32°F)Mar 11 · Mar 31 · Apr 16Oct 23 · Nov 5 · Nov 19220 days100%
Hard freeze (28°F)Feb 24 · Mar 16 · Apr 5Nov 2 · Nov 16 · Dec 5246 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 28 – May 6
TomatoesTransplant outdoorsApr 16 – Jul 16
PeppersStart seeds indoorsFeb 28 – Mar 31
PeppersTransplant outdoorsApr 30 – May 31
EggplantStart seeds indoorsMar 17 – Apr 15
EggplantTransplant outdoorsApr 30 – May 31
CucumbersSow outdoorsApr 30 – Jul 26
Summer squashSow outdoorsApr 16 – May 31
Winter squash & pumpkinsSow outdoorsApr 30 – May 31
Snap beansSow outdoorsApr 16 – Aug 18
Sweet cornSow outdoorsApr 16 – Jul 16
Watermelon & cantaloupeSow outdoorsApr 30 – May 31
OkraSow outdoorsApr 23 – May 16
PeasSow outdoors (spring)Feb 28 – Apr 15
PotatoesPlant outdoors (spring)Feb 28 – Apr 30
OnionsStart seeds indoors (spring)Jan 17 – Feb 13
OnionsTransplant outdoors (spring)Mar 17 – Apr 15
BroccoliStart seeds indoors (spring)Feb 10 – Mar 16
BroccoliTransplant outdoors (spring)Mar 17 – Apr 15
BroccoliStart seeds indoors (fall)Jul 6 – Jul 16
BroccoliTransplant outdoors (fall)Aug 5 – Aug 16
CabbageStart seeds indoors (spring)Jan 31 – Feb 28
CabbageTransplant outdoors (spring)Feb 28 – Mar 31
CabbageStart seeds indoors (fall)Jun 26 – Jul 26
CabbageTransplant outdoors (fall)Jul 26 – Aug 26
Leaf lettuceSow outdoors (spring)Feb 28 – May 16
Leaf lettuceSow outdoors (fall)Jul 26 – Sep 11
SpinachSow outdoors (spring)Feb 21 – Apr 6
SpinachSow outdoors (fall)Aug 12 – Sep 16
RadishesSow outdoors (spring)Feb 28 – Apr 20
RadishesSow outdoors (fall)Jul 26 – Sep 26
KaleSow outdoors (spring)Mar 17 – Apr 6
KaleSow outdoors (fall)Jul 19 – Aug 26
CarrotsSow outdoors (spring)Mar 31 – May 16
CarrotsSow outdoors (fall)Jun 26 – Aug 11
GarlicPlant outdoors (fall)Oct 26 – Nov 26

Where these dates come from

ZIP code 28270 is matched to the NOAA station Monroe Ap, NC, 18.7 km away, at 679 ft elevation (75 ft higher than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Monroe Ap, NC (used)679 ftMar 31Nov 5
Charlotte Douglas Ap, NC728 ftMar 30Nov 3
Monroe 2 Se, NC550 ftApr 3Nov 1
Rock Hill York Co Ap, SC669 ftMar 31Nov 4

Frost dates near Charlotte

Frequently asked questions

When is the last frost in Charlotte, NC?
For ZIP code 28270, the average last spring frost (32°F) is March 31, based on NOAA 1991-2020 climate normals for the Monroe Ap, NC weather station. There is a 1-in-10 chance of a frost after April 16.
When is the first frost in Charlotte, NC?
The average first fall frost (32°F) is November 5. There is a 1-in-10 chance of frost by October 23, so tender plants are at risk from that point on.
How long is the growing season in 28270?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 220 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.