FrostDateByZip

Frost dates for 28770Ridgecrest, NC

The average last spring frost in Ridgecrest is April 5 and the average first fall frost is October 31, giving a typical growing season of about 206 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
Apr 5

Safer after Apr 22 (1-in-10 risk)

Average first fall frost
Oct 31

Possible by Oct 16 (1-in-10 risk)

Growing season
206 days

Last frost typically in 153 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)Apr 4 · Apr 21 · May 11Oct 8 · Oct 21 · Nov 3183 days100%
Frost / freeze (32°F)Mar 20 · Apr 5 · Apr 22Oct 16 · Oct 31 · Nov 16206 days100%
Hard freeze (28°F)Mar 5 · Mar 24 · Apr 7Oct 28 · Nov 10 · Nov 30231 days100%

Planting calendar for Ridgecrest

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 indoorsMar 5 – May 11
TomatoesTransplant outdoorsApr 21 – Jul 11
PeppersStart seeds indoorsMar 5 – Apr 5
PeppersTransplant outdoorsMay 5 – Jun 5
EggplantStart seeds indoorsMar 22 – Apr 20
EggplantTransplant outdoorsMay 5 – Jun 5
CucumbersSow outdoorsMay 5 – Jul 21
Summer squashSow outdoorsApr 21 – Jun 5
Winter squash & pumpkinsSow outdoorsMay 5 – Jun 5
Snap beansSow outdoorsApr 21 – Aug 13
Sweet cornSow outdoorsApr 21 – Jul 11
Watermelon & cantaloupeSow outdoorsMay 5 – Jun 5
OkraSow outdoorsApr 28 – May 21
PeasSow outdoors (spring)Mar 5 – Apr 20
PotatoesPlant outdoors (spring)Mar 5 – May 5
OnionsStart seeds indoors (spring)Jan 22 – Feb 18
OnionsTransplant outdoors (spring)Mar 22 – Apr 20
BroccoliStart seeds indoors (spring)Feb 15 – Mar 21
BroccoliTransplant outdoors (spring)Mar 22 – Apr 20
BroccoliStart seeds indoors (fall)Jul 1 – Jul 11
BroccoliTransplant outdoors (fall)Jul 31 – Aug 11
CabbageStart seeds indoors (spring)Feb 5 – Mar 5
CabbageTransplant outdoors (spring)Mar 5 – Apr 5
CabbageStart seeds indoors (fall)Jun 21 – Jul 21
CabbageTransplant outdoors (fall)Jul 21 – Aug 21
Leaf lettuceSow outdoors (spring)Mar 5 – May 21
Leaf lettuceSow outdoors (fall)Jul 21 – Sep 6
SpinachSow outdoors (spring)Feb 26 – Apr 11
SpinachSow outdoors (fall)Aug 7 – Sep 11
RadishesSow outdoors (spring)Mar 5 – Apr 25
RadishesSow outdoors (fall)Jul 21 – Sep 21
KaleSow outdoors (spring)Mar 22 – Apr 11
KaleSow outdoors (fall)Jul 14 – Aug 21
CarrotsSow outdoors (spring)Apr 5 – May 21
CarrotsSow outdoors (fall)Jun 21 – Aug 6
GarlicPlant outdoors (fall)Oct 21 – Nov 21

Where these dates come from

ZIP code 28770 is matched to the NOAA station N Fk 2, NC, 6.3 km away, at 2,480 ft elevation (72 ft higher than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
N Fk 2, NC (used)2,480 ftApr 5Oct 31
Black Mtn 2 W, NC2,290 ftApr 19Oct 23
Swannanoa 2 Sse, NC4,320 ftApr 22Oct 24
Mt Mitchell, NC6,240 ftMay 16Oct 4

Frost dates near Ridgecrest

Frequently asked questions

When is the last frost in Ridgecrest, NC?
For ZIP code 28770, the average last spring frost (32°F) is April 5, based on NOAA 1991-2020 climate normals for the N Fk 2, NC weather station. There is a 1-in-10 chance of a frost after April 22.
When is the first frost in Ridgecrest, NC?
The average first fall frost (32°F) is October 31. There is a 1-in-10 chance of frost by October 16, so tender plants are at risk from that point on.
How long is the growing season in 28770?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 206 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.