FrostDateByZip

Frost dates for 29648Greenwood, SC

The average last spring frost in Greenwood is March 26 and the average first fall frost is November 12, giving a typical growing season of about 233 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
Mar 26

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

Average first fall frost
Nov 12

Possible by Oct 28 (1-in-10 risk)

Growing season
233 days

First frost typically in 9 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 6 · Apr 20Oct 18 · Nov 1 · Nov 16210 days100%
Frost / freeze (32°F)Mar 3 · Mar 26 · Apr 10Oct 28 · Nov 12 · Dec 1233 days100%
Hard freeze (28°F)Feb 14 · Mar 12 · Mar 31Nov 6 · Nov 25 · Dec 20260 days100%

Planting calendar for Greenwood

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 23 – May 1
TomatoesTransplant outdoorsApr 11 – Jul 23
PeppersStart seeds indoorsFeb 23 – Mar 26
PeppersTransplant outdoorsApr 25 – May 26
EggplantStart seeds indoorsMar 12 – Apr 10
EggplantTransplant outdoorsApr 25 – May 26
CucumbersSow outdoorsApr 25 – Aug 2
Summer squashSow outdoorsApr 11 – May 26
Winter squash & pumpkinsSow outdoorsApr 25 – May 26
Snap beansSow outdoorsApr 11 – Aug 25
Sweet cornSow outdoorsApr 11 – Jul 23
Watermelon & cantaloupeSow outdoorsApr 25 – May 26
OkraSow outdoorsApr 18 – May 11
PeasSow outdoors (spring)Feb 23 – Apr 10
PotatoesPlant outdoors (spring)Feb 23 – Apr 25
OnionsStart seeds indoors (spring)Jan 12 – Feb 8
OnionsTransplant outdoors (spring)Mar 12 – Apr 10
BroccoliStart seeds indoors (spring)Feb 5 – Mar 11
BroccoliTransplant outdoors (spring)Mar 12 – Apr 10
BroccoliStart seeds indoors (fall)Jul 13 – Jul 23
BroccoliTransplant outdoors (fall)Aug 12 – Aug 23
CabbageStart seeds indoors (spring)Jan 26 – Feb 23
CabbageTransplant outdoors (spring)Feb 23 – Mar 26
CabbageStart seeds indoors (fall)Jul 3 – Aug 2
CabbageTransplant outdoors (fall)Aug 2 – Sep 2
Leaf lettuceSow outdoors (spring)Feb 23 – May 11
Leaf lettuceSow outdoors (fall)Aug 2 – Sep 18
SpinachSow outdoors (spring)Feb 16 – Apr 1
SpinachSow outdoors (fall)Aug 19 – Sep 23
RadishesSow outdoors (spring)Feb 23 – Apr 15
RadishesSow outdoors (fall)Aug 2 – Oct 3
KaleSow outdoors (spring)Mar 12 – Apr 1
KaleSow outdoors (fall)Jul 26 – Sep 2
CarrotsSow outdoors (spring)Mar 26 – May 11
CarrotsSow outdoors (fall)Jul 3 – Aug 18
GarlicPlant outdoors (fall)Nov 2 – Dec 3

Where these dates come from

ZIP code 29648 is matched to the NOAA station Greenwood, SC, 1.4 km away, at 615 ft elevation (25 ft higher than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Greenwood, SC (used)615 ftMar 26Nov 12
Greenwood Co Ap, SC631 ftApr 1Nov 2
Greenwood 8Ne, SC530 ftMar 22Nov 13
Lake Greenwood, SC422 ftApr 1Nov 4

Frost dates near Greenwood

Frequently asked questions

When is the last frost in Greenwood, SC?
For ZIP code 29648, the average last spring frost (32°F) is March 26, based on NOAA 1991-2020 climate normals for the Greenwood, SC weather station. There is a 1-in-10 chance of a frost after April 10.
When is the first frost in Greenwood, SC?
The average first fall frost (32°F) is November 12. There is a 1-in-10 chance of frost by October 28, so tender plants are at risk from that point on.
How long is the growing season in 29648?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 233 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.