FrostDateByZip

Frost dates for 29622Anderson, SC

The average last spring frost in Anderson is March 23 and the average first fall frost is November 11, giving a typical growing season of about 234 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
Mar 23

Safer after Apr 6 (1-in-10 risk)

Average first fall frost
Nov 11

Possible by Oct 31 (1-in-10 risk)

Growing season
234 days

First frost typically in 8 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 19 · Apr 4 · Apr 19Oct 20 · Nov 1 · Nov 14212 days100%
Frost / freeze (32°F)Mar 3 · Mar 23 · Apr 6Oct 31 · Nov 11 · Dec 1234 days100%
Hard freeze (28°F)Feb 15 · Mar 11 · Mar 30Nov 9 · Nov 26 · Dec 20260 days100%

Planting calendar for Anderson

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 indoorsFeb 20 – Apr 28
TomatoesTransplant outdoorsApr 8 – Jul 22
PeppersStart seeds indoorsFeb 20 – Mar 23
PeppersTransplant outdoorsApr 22 – May 23
EggplantStart seeds indoorsMar 9 – Apr 7
EggplantTransplant outdoorsApr 22 – May 23
CucumbersSow outdoorsApr 22 – Aug 1
Summer squashSow outdoorsApr 8 – May 23
Winter squash & pumpkinsSow outdoorsApr 22 – May 23
Snap beansSow outdoorsApr 8 – Aug 24
Sweet cornSow outdoorsApr 8 – Jul 22
Watermelon & cantaloupeSow outdoorsApr 22 – May 23
OkraSow outdoorsApr 15 – May 8
PeasSow outdoors (spring)Feb 20 – Apr 7
PotatoesPlant outdoors (spring)Feb 20 – Apr 22
OnionsStart seeds indoors (spring)Jan 9 – Feb 5
OnionsTransplant outdoors (spring)Mar 9 – Apr 7
BroccoliStart seeds indoors (spring)Feb 2 – Mar 8
BroccoliTransplant outdoors (spring)Mar 9 – Apr 7
BroccoliStart seeds indoors (fall)Jul 12 – Jul 22
BroccoliTransplant outdoors (fall)Aug 11 – Aug 22
CabbageStart seeds indoors (spring)Jan 23 – Feb 20
CabbageTransplant outdoors (spring)Feb 20 – Mar 23
CabbageStart seeds indoors (fall)Jul 2 – Aug 1
CabbageTransplant outdoors (fall)Aug 1 – Sep 1
Leaf lettuceSow outdoors (spring)Feb 20 – May 8
Leaf lettuceSow outdoors (fall)Aug 1 – Sep 17
SpinachSow outdoors (spring)Feb 13 – Mar 29
SpinachSow outdoors (fall)Aug 18 – Sep 22
RadishesSow outdoors (spring)Feb 20 – Apr 12
RadishesSow outdoors (fall)Aug 1 – Oct 2
KaleSow outdoors (spring)Mar 9 – Mar 29
KaleSow outdoors (fall)Jul 25 – Sep 1
CarrotsSow outdoors (spring)Mar 23 – May 8
CarrotsSow outdoors (fall)Jul 2 – Aug 17
GarlicPlant outdoors (fall)Nov 1 – Dec 2

Where these dates come from

ZIP code 29622 is matched to the NOAA station Anderson, SC, 2.9 km away, at 800 ft elevation (6 ft higher than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Anderson, SC (used)800 ftMar 23Nov 11
Anderson Co Ap, SC760 ftMar 29Nov 8
Sandy Springs 2 Ne, SC765 ftApr 5Oct 30
Clemson Univ, SC800 ftApr 1Nov 3

Frost dates near Anderson

Frequently asked questions

When is the last frost in Anderson, SC?
For ZIP code 29622, the average last spring frost (32°F) is March 23, based on NOAA 1991-2020 climate normals for the Anderson, SC weather station. There is a 1-in-10 chance of a frost after April 6.
When is the first frost in Anderson, SC?
The average first fall frost (32°F) is November 11. There is a 1-in-10 chance of frost by October 31, so tender plants are at risk from that point on.
How long is the growing season in 29622?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 234 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.