FrostDateByZip

Frost dates for 28638Hudson, NC

The average last spring frost in Hudson is April 7 and the average first fall frost is October 31, giving a typical growing season of about 207 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
Apr 7

Safer after Apr 28 (1-in-10 risk)

Average first fall frost
Oct 31

Possible by Oct 18 (1-in-10 risk)

Growing season
207 days

Last frost typically in 155 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 10Oct 9 · Oct 22 · Nov 3183 days100%
Frost / freeze (32°F)Mar 21 · Apr 7 · Apr 28Oct 18 · Oct 31 · Nov 12207 days100%
Hard freeze (28°F)Mar 7 · Mar 25 · Apr 9Oct 28 · Nov 9 · Nov 27230 days100%

Planting calendar for Hudson

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 7 – May 13
TomatoesTransplant outdoorsApr 23 – Jul 11
PeppersStart seeds indoorsMar 7 – Apr 7
PeppersTransplant outdoorsMay 7 – Jun 7
EggplantStart seeds indoorsMar 24 – Apr 22
EggplantTransplant outdoorsMay 7 – Jun 7
CucumbersSow outdoorsMay 7 – Jul 21
Summer squashSow outdoorsApr 23 – Jun 7
Winter squash & pumpkinsSow outdoorsMay 7 – Jun 7
Snap beansSow outdoorsApr 23 – Aug 13
Sweet cornSow outdoorsApr 23 – Jul 11
Watermelon & cantaloupeSow outdoorsMay 7 – Jun 7
OkraSow outdoorsApr 30 – May 23
PeasSow outdoors (spring)Mar 7 – Apr 22
PotatoesPlant outdoors (spring)Mar 7 – May 7
OnionsStart seeds indoors (spring)Jan 24 – Feb 20
OnionsTransplant outdoors (spring)Mar 24 – Apr 22
BroccoliStart seeds indoors (spring)Feb 17 – Mar 23
BroccoliTransplant outdoors (spring)Mar 24 – Apr 22
BroccoliStart seeds indoors (fall)Jul 1 – Jul 11
BroccoliTransplant outdoors (fall)Jul 31 – Aug 11
CabbageStart seeds indoors (spring)Feb 7 – Mar 7
CabbageTransplant outdoors (spring)Mar 7 – Apr 7
CabbageStart seeds indoors (fall)Jun 21 – Jul 21
CabbageTransplant outdoors (fall)Jul 21 – Aug 21
Leaf lettuceSow outdoors (spring)Mar 7 – May 23
Leaf lettuceSow outdoors (fall)Jul 21 – Sep 6
SpinachSow outdoors (spring)Feb 28 – Apr 13
SpinachSow outdoors (fall)Aug 7 – Sep 11
RadishesSow outdoors (spring)Mar 7 – Apr 27
RadishesSow outdoors (fall)Jul 21 – Sep 21
KaleSow outdoors (spring)Mar 24 – Apr 13
KaleSow outdoors (fall)Jul 14 – Aug 21
CarrotsSow outdoors (spring)Apr 7 – May 23
CarrotsSow outdoors (fall)Jun 21 – Aug 6
GarlicPlant outdoors (fall)Oct 21 – Nov 21

Where these dates come from

ZIP code 28638 is matched to the NOAA station Lenoir, NC, 9.3 km away, at 1,155 ft elevation (75 ft lower than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Lenoir, NC (used)1,155 ftApr 7Oct 31
Hickory Faa Ap, NC1,143 ftMar 31Nov 4
Morganton, NC1,180 ftApr 7Oct 28
Taylorsville, NC1,320 ftApr 2Nov 4

Frost dates near Hudson

Frequently asked questions

When is the last frost in Hudson, NC?
For ZIP code 28638, the average last spring frost (32°F) is April 7, based on NOAA 1991-2020 climate normals for the Lenoir, NC weather station. There is a 1-in-10 chance of a frost after April 28.
When is the first frost in Hudson, NC?
The average first fall frost (32°F) is October 31. There is a 1-in-10 chance of frost by October 18, so tender plants are at risk from that point on.
How long is the growing season in 28638?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 207 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.