FrostDateByZip

Frost dates for 24351Lambsburg, VA

The average last spring frost in Lambsburg is April 19 and the average first fall frost is October 23, giving a typical growing season of about 186 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
Apr 19

Safer after May 8 (1-in-10 risk)

Average first fall frost
Oct 23

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

Growing season
186 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 18 · May 2 · May 18Oct 1 · Oct 14 · Oct 26165 days100%
Frost / freeze (32°F)Apr 4 · Apr 19 · May 8Oct 11 · Oct 23 · Nov 2186 days100%
Hard freeze (28°F)Mar 18 · Apr 2 · Apr 18Oct 19 · Nov 1 · Nov 14210 days100%

Planting calendar for Lambsburg

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 3
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 13
Summer squashSow outdoorsMay 5 – Jun 19
Winter squash & pumpkinsSow outdoorsMay 19 – Jun 19
Snap beansSow outdoorsMay 5 – Aug 5
Sweet cornSow outdoorsMay 5 – Jul 3
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 23 – Jul 3
BroccoliTransplant outdoors (fall)Jul 23 – Aug 3
CabbageStart seeds indoors (spring)Feb 19 – Mar 19
CabbageTransplant outdoors (spring)Mar 19 – Apr 19
CabbageStart seeds indoors (fall)Jun 13 – Jul 13
CabbageTransplant outdoors (fall)Jul 13 – Aug 13
Leaf lettuceSow outdoors (spring)Mar 19 – Jun 4
Leaf lettuceSow outdoors (fall)Jul 13 – Aug 29
SpinachSow outdoors (spring)Mar 12 – Apr 25
SpinachSow outdoors (fall)Jul 30 – Sep 3
RadishesSow outdoors (spring)Mar 19 – May 9
RadishesSow outdoors (fall)Jul 13 – Sep 13
KaleSow outdoors (spring)Apr 5 – Apr 25
KaleSow outdoors (fall)Jul 6 – Aug 13
CarrotsSow outdoors (spring)Apr 19 – Jun 4
CarrotsSow outdoors (fall)Jun 13 – Jul 29
GarlicPlant outdoors (fall)Oct 13 – Nov 13

Where these dates come from

ZIP code 24351 is matched to the NOAA station Mt Airy 2 W, NC, 13.2 km away, at 1,080 ft elevation (360 ft lower than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Mt Airy 2 W, NC (used)1,080 ftApr 19Oct 23
Galax Wtp, VA2,341 ftApr 22Oct 21
Galax Radio Wbrf, VA2,385 ftApr 26Oct 14
Meadows Of Dan 5 Sw, VA2,225 ftApr 21Oct 25

Frost dates near Lambsburg

Frequently asked questions

When is the last frost in Lambsburg, VA?
For ZIP code 24351, the average last spring frost (32°F) is April 19, based on NOAA 1991-2020 climate normals for the Mt Airy 2 W, NC weather station. There is a 1-in-10 chance of a frost after May 8.
When is the first frost in Lambsburg, VA?
The average first fall frost (32°F) is October 23. 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 24351?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 186 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.