FrostDateByZip

Frost dates for 24029Roanoke, VA

The average last spring frost in Roanoke is April 3 and the average first fall frost is November 1, giving a typical growing season of about 210 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
Apr 3

Safer after Apr 18 (1-in-10 risk)

Average first fall frost
Nov 1

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

Growing season
210 days

First frost typically in 0 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 3 · Apr 17 · May 7Oct 9 · Oct 22 · Nov 4185 days100%
Frost / freeze (32°F)Mar 19 · Apr 3 · Apr 18Oct 18 · Nov 1 · Nov 15210 days100%
Hard freeze (28°F)Mar 4 · Mar 22 · Apr 7Oct 30 · Nov 12 · Dec 1234 days100%

Planting calendar for Roanoke

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 3 – May 9
TomatoesTransplant outdoorsApr 19 – Jul 12
PeppersStart seeds indoorsMar 3 – Apr 3
PeppersTransplant outdoorsMay 3 – Jun 3
EggplantStart seeds indoorsMar 20 – Apr 18
EggplantTransplant outdoorsMay 3 – Jun 3
CucumbersSow outdoorsMay 3 – Jul 22
Summer squashSow outdoorsApr 19 – Jun 3
Winter squash & pumpkinsSow outdoorsMay 3 – Jun 3
Snap beansSow outdoorsApr 19 – Aug 14
Sweet cornSow outdoorsApr 19 – Jul 12
Watermelon & cantaloupeSow outdoorsMay 3 – Jun 3
OkraSow outdoorsApr 26 – May 19
PeasSow outdoors (spring)Mar 3 – Apr 18
PotatoesPlant outdoors (spring)Mar 3 – May 3
OnionsStart seeds indoors (spring)Jan 20 – Feb 16
OnionsTransplant outdoors (spring)Mar 20 – Apr 18
BroccoliStart seeds indoors (spring)Feb 13 – Mar 19
BroccoliTransplant outdoors (spring)Mar 20 – Apr 18
BroccoliStart seeds indoors (fall)Jul 2 – Jul 12
BroccoliTransplant outdoors (fall)Aug 1 – Aug 12
CabbageStart seeds indoors (spring)Feb 3 – Mar 3
CabbageTransplant outdoors (spring)Mar 3 – Apr 3
CabbageStart seeds indoors (fall)Jun 22 – Jul 22
CabbageTransplant outdoors (fall)Jul 22 – Aug 22
Leaf lettuceSow outdoors (spring)Mar 3 – May 19
Leaf lettuceSow outdoors (fall)Jul 22 – Sep 7
SpinachSow outdoors (spring)Feb 24 – Apr 9
SpinachSow outdoors (fall)Aug 8 – Sep 12
RadishesSow outdoors (spring)Mar 3 – Apr 23
RadishesSow outdoors (fall)Jul 22 – Sep 22
KaleSow outdoors (spring)Mar 20 – Apr 9
KaleSow outdoors (fall)Jul 15 – Aug 22
CarrotsSow outdoors (spring)Apr 3 – May 19
CarrotsSow outdoors (fall)Jun 22 – Aug 7
GarlicPlant outdoors (fall)Oct 22 – Nov 22

Where these dates come from

ZIP code 24029 is matched to the NOAA station Roanoke Rgnl Ap, VA, 5 km away, at 1,175 ft elevation (178 ft higher than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Roanoke Rgnl Ap, VA (used)1,175 ftApr 3Nov 1
Roanoke 8 N, VA1,157 ftApr 11Oct 28
Copper Hill, VA2,846 ftApr 21Oct 25
Rocky Mt, VA1,315 ftApr 20Oct 25

Frost dates near Roanoke

Frequently asked questions

When is the last frost in Roanoke, VA?
For ZIP code 24029, the average last spring frost (32°F) is April 3, based on NOAA 1991-2020 climate normals for the Roanoke Rgnl Ap, VA weather station. There is a 1-in-10 chance of a frost after April 18.
When is the first frost in Roanoke, VA?
The average first fall frost (32°F) is November 1. 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 24029?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 210 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.