FrostDateByZip

Frost dates for 28693Warrensville, NC

The average last spring frost in Warrensville is May 7 and the average first fall frost is October 8, giving a typical growing season of about 154 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
May 7

Safer after May 24 (1-in-10 risk)

Average first fall frost
Oct 8

Possible by Sep 25 (1-in-10 risk)

Growing season
154 days

Last frost typically in 185 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)May 3 · May 19 · Jun 3Sep 14 · Sep 30 · Oct 12135 days100%
Frost / freeze (32°F)Apr 22 · May 7 · May 24Sep 25 · Oct 8 · Oct 22154 days100%
Hard freeze (28°F)Apr 8 · Apr 25 · May 13Oct 6 · Oct 18 · Nov 1175 days100%

Planting calendar for Warrensville

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 indoorsApr 6 – Jun 12
TomatoesTransplant outdoorsMay 23 – Jun 18
PeppersStart seeds indoorsApr 6 – May 7
PeppersTransplant outdoorsJun 6 – Jul 7
EggplantStart seeds indoorsApr 23 – May 22
EggplantTransplant outdoorsJun 6 – Jul 7
CucumbersSow outdoorsJun 6 – Jun 28
Summer squashSow outdoorsMay 23 – Jul 7
Winter squash & pumpkinsSow outdoorsJun 6 – Jul 7
Snap beansSow outdoorsMay 23 – Jul 21
Sweet cornSow outdoorsMay 23 – Jun 18
Watermelon & cantaloupeSow outdoorsJun 6 – Jul 7
OkraSow outdoorsMay 30 – Jun 22
PeasSow outdoors (spring)Apr 6 – May 22
PotatoesPlant outdoors (spring)Apr 6 – Jun 6
OnionsStart seeds indoors (spring)Feb 23 – Mar 22
OnionsTransplant outdoors (spring)Apr 23 – May 22
BroccoliStart seeds indoors (spring)Mar 19 – Apr 22
BroccoliTransplant outdoors (spring)Apr 23 – May 22
BroccoliStart seeds indoors (fall)Jun 8 – Jun 18
BroccoliTransplant outdoors (fall)Jul 8 – Jul 19
CabbageStart seeds indoors (spring)Mar 9 – Apr 6
CabbageTransplant outdoors (spring)Apr 6 – May 7
CabbageStart seeds indoors (fall)May 29 – Jun 28
CabbageTransplant outdoors (fall)Jun 28 – Jul 29
Leaf lettuceSow outdoors (spring)Apr 6 – Jun 22
Leaf lettuceSow outdoors (fall)Jun 28 – Aug 14
SpinachSow outdoors (spring)Mar 30 – May 13
SpinachSow outdoors (fall)Jul 15 – Aug 19
RadishesSow outdoors (spring)Apr 6 – May 27
RadishesSow outdoors (fall)Jun 28 – Aug 29
KaleSow outdoors (spring)Apr 23 – May 13
KaleSow outdoors (fall)Jun 21 – Jul 29
CarrotsSow outdoors (spring)May 7 – Jun 22
CarrotsSow outdoors (fall)May 29 – Jul 14
GarlicPlant outdoors (fall)Sep 28 – Oct 29

Where these dates come from

ZIP code 28693 is matched to the NOAA station Jefferson 2 E, NC, 11.3 km away, at 2,759 ft elevation (53 ft lower than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Jefferson 2 E, NC (used)2,759 ftMay 7Oct 8
Transou, NC2,834 ftMay 4Oct 10
Mtn City 2, TN2,419 ftApr 27Oct 14
Boone 1 Se, NC3,100 ftMay 2Oct 13

Frost dates near Warrensville

Frequently asked questions

When is the last frost in Warrensville, NC?
For ZIP code 28693, the average last spring frost (32°F) is May 7, based on NOAA 1991-2020 climate normals for the Jefferson 2 E, NC weather station. There is a 1-in-10 chance of a frost after May 24.
When is the first frost in Warrensville, NC?
The average first fall frost (32°F) is October 8. There is a 1-in-10 chance of frost by September 25, so tender plants are at risk from that point on.
How long is the growing season in 28693?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 154 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.