FrostDateByZip

Frost dates for 28814Asheville, NC

The average last spring frost in Asheville is April 22 and the average first fall frost is October 24, giving a typical growing season of about 184 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
Apr 22

Safer after May 11 (1-in-10 risk)

Average first fall frost
Oct 24

Possible by Oct 11 (1-in-10 risk)

Growing season
184 days

Last frost typically in 172 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 17 · May 5 · May 21Sep 29 · Oct 14 · Oct 27161 days100%
Frost / freeze (32°F)Apr 5 · Apr 22 · May 11Oct 11 · Oct 24 · Nov 6184 days100%
Hard freeze (28°F)Mar 23 · Apr 9 · Apr 27Oct 19 · Nov 1 · Nov 16205 days100%

Planting calendar for Asheville

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 22 – May 28
TomatoesTransplant outdoorsMay 8 – Jul 4
PeppersStart seeds indoorsMar 22 – Apr 22
PeppersTransplant outdoorsMay 22 – Jun 22
EggplantStart seeds indoorsApr 8 – May 7
EggplantTransplant outdoorsMay 22 – Jun 22
CucumbersSow outdoorsMay 22 – Jul 14
Summer squashSow outdoorsMay 8 – Jun 22
Winter squash & pumpkinsSow outdoorsMay 22 – Jun 22
Snap beansSow outdoorsMay 8 – Aug 6
Sweet cornSow outdoorsMay 8 – Jul 4
Watermelon & cantaloupeSow outdoorsMay 22 – Jun 22
OkraSow outdoorsMay 15 – Jun 7
PeasSow outdoors (spring)Mar 22 – May 7
PotatoesPlant outdoors (spring)Mar 22 – May 22
OnionsStart seeds indoors (spring)Feb 8 – Mar 7
OnionsTransplant outdoors (spring)Apr 8 – May 7
BroccoliStart seeds indoors (spring)Mar 4 – Apr 7
BroccoliTransplant outdoors (spring)Apr 8 – May 7
BroccoliStart seeds indoors (fall)Jun 24 – Jul 4
BroccoliTransplant outdoors (fall)Jul 24 – Aug 4
CabbageStart seeds indoors (spring)Feb 22 – Mar 22
CabbageTransplant outdoors (spring)Mar 22 – Apr 22
CabbageStart seeds indoors (fall)Jun 14 – Jul 14
CabbageTransplant outdoors (fall)Jul 14 – Aug 14
Leaf lettuceSow outdoors (spring)Mar 22 – Jun 7
Leaf lettuceSow outdoors (fall)Jul 14 – Aug 30
SpinachSow outdoors (spring)Mar 15 – Apr 28
SpinachSow outdoors (fall)Jul 31 – Sep 4
RadishesSow outdoors (spring)Mar 22 – May 12
RadishesSow outdoors (fall)Jul 14 – Sep 14
KaleSow outdoors (spring)Apr 8 – Apr 28
KaleSow outdoors (fall)Jul 7 – Aug 14
CarrotsSow outdoors (spring)Apr 22 – Jun 7
CarrotsSow outdoors (fall)Jun 14 – Jul 30
GarlicPlant outdoors (fall)Oct 14 – Nov 14

Where these dates come from

ZIP code 28814 is matched to the NOAA station Swannanoa 2 Sse, NC, 14.1 km away, at 4,320 ft elevation (757 ft higher than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Swannanoa 2 Sse, NC (used)4,320 ftApr 22Oct 24
Asheville, NC2,238 ftApr 6Oct 31
N Fk 2, NC2,480 ftApr 5Oct 31
Black Mtn 2 W, NC2,290 ftApr 19Oct 23

Frost dates near Asheville

Frequently asked questions

When is the last frost in Asheville, NC?
For ZIP code 28814, the average last spring frost (32°F) is April 22, based on NOAA 1991-2020 climate normals for the Swannanoa 2 Sse, NC weather station. There is a 1-in-10 chance of a frost after May 11.
When is the first frost in Asheville, NC?
The average first fall frost (32°F) is October 24. There is a 1-in-10 chance of frost by October 11, so tender plants are at risk from that point on.
How long is the growing season in 28814?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 184 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.