FrostDateByZip

Frost dates for 28788Webster, NC

The average last spring frost in Webster is April 19 and the average first fall frost is October 22, giving a typical growing season of about 184 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
Apr 19

Safer after May 7 (1-in-10 risk)

Average first fall frost
Oct 22

Possible by Oct 9 (1-in-10 risk)

Growing season
184 days

Last frost typically in 167 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 3 · May 17Oct 1 · Oct 13 · Oct 27163 days100%
Frost / freeze (32°F)Apr 2 · Apr 19 · May 7Oct 9 · Oct 22 · Nov 4184 days100%
Hard freeze (28°F)Mar 20 · Apr 5 · Apr 21Oct 17 · Nov 1 · Nov 12207 days100%

Planting calendar for Webster

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 19 – May 25
TomatoesTransplant outdoorsMay 5 – Jul 2
PeppersStart seeds indoorsMar 19 – Apr 19
PeppersTransplant outdoorsMay 19 – Jun 19
EggplantStart seeds indoorsApr 5 – May 4
EggplantTransplant outdoorsMay 19 – Jun 19
CucumbersSow outdoorsMay 19 – Jul 12
Summer squashSow outdoorsMay 5 – Jun 19
Winter squash & pumpkinsSow outdoorsMay 19 – Jun 19
Snap beansSow outdoorsMay 5 – Aug 4
Sweet cornSow outdoorsMay 5 – Jul 2
Watermelon & cantaloupeSow outdoorsMay 19 – Jun 19
OkraSow outdoorsMay 12 – Jun 4
PeasSow outdoors (spring)Mar 19 – May 4
PotatoesPlant outdoors (spring)Mar 19 – May 19
OnionsStart seeds indoors (spring)Feb 5 – Mar 4
OnionsTransplant outdoors (spring)Apr 5 – May 4
BroccoliStart seeds indoors (spring)Mar 1 – Apr 4
BroccoliTransplant outdoors (spring)Apr 5 – May 4
BroccoliStart seeds indoors (fall)Jun 22 – Jul 2
BroccoliTransplant outdoors (fall)Jul 22 – Aug 2
CabbageStart seeds indoors (spring)Feb 19 – Mar 19
CabbageTransplant outdoors (spring)Mar 19 – Apr 19
CabbageStart seeds indoors (fall)Jun 12 – Jul 12
CabbageTransplant outdoors (fall)Jul 12 – Aug 12
Leaf lettuceSow outdoors (spring)Mar 19 – Jun 4
Leaf lettuceSow outdoors (fall)Jul 12 – Aug 28
SpinachSow outdoors (spring)Mar 12 – Apr 25
SpinachSow outdoors (fall)Jul 29 – Sep 2
RadishesSow outdoors (spring)Mar 19 – May 9
RadishesSow outdoors (fall)Jul 12 – Sep 12
KaleSow outdoors (spring)Apr 5 – Apr 25
KaleSow outdoors (fall)Jul 5 – Aug 12
CarrotsSow outdoors (spring)Apr 19 – Jun 4
CarrotsSow outdoors (fall)Jun 12 – Jul 28
GarlicPlant outdoors (fall)Oct 12 – Nov 12

Where these dates come from

ZIP code 28788 is matched to the NOAA station Cullowhee, NC, 5.6 km away, at 2,192 ft elevation (40 ft higher than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Cullowhee, NC (used)2,192 ftApr 19Oct 22
Cherokee, NC1,965 ftApr 17Oct 21
Franklin, NC2,125 ftApr 17Oct 23
Bryson City 4, NC1,985 ftApr 16Oct 24

Frost dates near Webster

Frequently asked questions

When is the last frost in Webster, NC?
For ZIP code 28788, the average last spring frost (32°F) is April 19, based on NOAA 1991-2020 climate normals for the Cullowhee, NC weather station. There is a 1-in-10 chance of a frost after May 7.
When is the first frost in Webster, NC?
The average first fall frost (32°F) is October 22. There is a 1-in-10 chance of frost by October 9, so tender plants are at risk from that point on.
How long is the growing season in 28788?
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.