FrostDateByZip

Frost dates for 28137Richfield, NC

The average last spring frost in Richfield is March 29 and the average first fall frost is November 4, giving a typical growing season of about 220 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
Mar 29

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

Average first fall frost
Nov 4

Possible by Oct 24 (1-in-10 risk)

Growing season
220 days

First frost typically in 1 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 27 · Apr 11 · Apr 27Oct 14 · Oct 27 · Nov 7197 days100%
Frost / freeze (32°F)Mar 11 · Mar 29 · Apr 14Oct 24 · Nov 4 · Nov 20220 days100%
Hard freeze (28°F)Feb 24 · Mar 16 · Apr 2Nov 1 · Nov 16 · Dec 7246 days100%

Planting calendar for Richfield

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 15
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 25
Summer squashSow outdoorsApr 14 – May 29
Winter squash & pumpkinsSow outdoorsApr 28 – May 29
Snap beansSow outdoorsApr 14 – Aug 17
Sweet cornSow outdoorsApr 14 – Jul 15
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 5 – Jul 15
BroccoliTransplant outdoors (fall)Aug 4 – Aug 15
CabbageStart seeds indoors (spring)Jan 29 – Feb 26
CabbageTransplant outdoors (spring)Feb 26 – Mar 29
CabbageStart seeds indoors (fall)Jun 25 – Jul 25
CabbageTransplant outdoors (fall)Jul 25 – Aug 25
Leaf lettuceSow outdoors (spring)Feb 26 – May 14
Leaf lettuceSow outdoors (fall)Jul 25 – Sep 10
SpinachSow outdoors (spring)Feb 19 – Apr 4
SpinachSow outdoors (fall)Aug 11 – Sep 15
RadishesSow outdoors (spring)Feb 26 – Apr 18
RadishesSow outdoors (fall)Jul 25 – Sep 25
KaleSow outdoors (spring)Mar 15 – Apr 4
KaleSow outdoors (fall)Jul 18 – Aug 25
CarrotsSow outdoors (spring)Mar 29 – May 14
CarrotsSow outdoors (fall)Jun 25 – Aug 10
GarlicPlant outdoors (fall)Oct 25 – Nov 25

Where these dates come from

ZIP code 28137 is matched to the NOAA station Albemarle, NC, 9.8 km away, at 610 ft elevation (13 ft higher than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Albemarle, NC (used)610 ftMar 29Nov 4
Concord, NC700 ftApr 1Nov 2
Salisbury, NC700 ftApr 6Oct 30
Salisbury 9 Wnw, NC725 ftApr 9Oct 28

Frost dates near Richfield

Frequently asked questions

When is the last frost in Richfield, NC?
For ZIP code 28137, the average last spring frost (32°F) is March 29, based on NOAA 1991-2020 climate normals for the Albemarle, NC weather station. There is a 1-in-10 chance of a frost after April 14.
When is the first frost in Richfield, NC?
The average first fall frost (32°F) is November 4. There is a 1-in-10 chance of frost by October 24, so tender plants are at risk from that point on.
How long is the growing season in 28137?
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.