FrostDateByZip

Frost dates for 23229Henrico, VA

The average last spring frost in Henrico is April 3 and the average first fall frost is November 4, giving a typical growing season of about 215 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 4

Possible by Oct 23 (1-in-10 risk)

Growing season
215 days

First frost typically in 1 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)Mar 31 · Apr 16 · May 3Oct 14 · Oct 26 · Nov 6192 days100%
Frost / freeze (32°F)Mar 19 · Apr 3 · Apr 18Oct 23 · Nov 4 · Nov 19215 days100%
Hard freeze (28°F)Mar 4 · Mar 22 · Apr 5Nov 2 · Nov 15 · Dec 3239 days100%

Planting calendar for Henrico

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 15
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 25
Summer squashSow outdoorsApr 19 – Jun 3
Winter squash & pumpkinsSow outdoorsMay 3 – Jun 3
Snap beansSow outdoorsApr 19 – Aug 17
Sweet cornSow outdoorsApr 19 – Jul 15
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 5 – Jul 15
BroccoliTransplant outdoors (fall)Aug 4 – Aug 15
CabbageStart seeds indoors (spring)Feb 3 – Mar 3
CabbageTransplant outdoors (spring)Mar 3 – Apr 3
CabbageStart seeds indoors (fall)Jun 25 – Jul 25
CabbageTransplant outdoors (fall)Jul 25 – Aug 25
Leaf lettuceSow outdoors (spring)Mar 3 – May 19
Leaf lettuceSow outdoors (fall)Jul 25 – Sep 10
SpinachSow outdoors (spring)Feb 24 – Apr 9
SpinachSow outdoors (fall)Aug 11 – Sep 15
RadishesSow outdoors (spring)Mar 3 – Apr 23
RadishesSow outdoors (fall)Jul 25 – Sep 25
KaleSow outdoors (spring)Mar 20 – Apr 9
KaleSow outdoors (fall)Jul 18 – Aug 25
CarrotsSow outdoors (spring)Apr 3 – May 19
CarrotsSow outdoors (fall)Jun 25 – Aug 10
GarlicPlant outdoors (fall)Oct 25 – Nov 25

Where these dates come from

ZIP code 23229 is matched to the NOAA station Richmond Intl Ap, VA, 8.2 km away, at 164 ft elevation (16 ft higher than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Richmond Intl Ap, VA (used)164 ftApr 3Nov 4
Sandston, VA165 ftApr 7Nov 1
Hopewell, VA40 ftMar 31Nov 6
Petersburg, VA19 ftApr 3Nov 3

Frost dates near Henrico

Frequently asked questions

When is the last frost in Henrico, VA?
For ZIP code 23229, the average last spring frost (32°F) is April 3, based on NOAA 1991-2020 climate normals for the Richmond Intl Ap, VA weather station. There is a 1-in-10 chance of a frost after April 18.
When is the first frost in Henrico, VA?
The average first fall frost (32°F) is November 4. There is a 1-in-10 chance of frost by October 23, so tender plants are at risk from that point on.
How long is the growing season in 23229?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 215 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.