FrostDateByZip

Frost dates for 29677Sandy Springs, SC

The average last spring frost in Sandy Springs is April 5 and the average first fall frost is October 30, giving a typical growing season of about 207 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
Apr 5

Safer after Apr 21 (1-in-10 risk)

Average first fall frost
Oct 30

Possible by Oct 17 (1-in-10 risk)

Growing season
207 days

Last frost typically in 153 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 2 · Apr 19 · May 5Oct 11 · Oct 21 · Nov 2186 days100%
Frost / freeze (32°F)Mar 21 · Apr 5 · Apr 21Oct 17 · Oct 30 · Nov 11207 days100%
Hard freeze (28°F)Mar 8 · Mar 27 · Apr 10Oct 27 · Nov 9 · Nov 27229 days100%

Planting calendar for Sandy Springs

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 5 – May 11
TomatoesTransplant outdoorsApr 21 – Jul 10
PeppersStart seeds indoorsMar 5 – Apr 5
PeppersTransplant outdoorsMay 5 – Jun 5
EggplantStart seeds indoorsMar 22 – Apr 20
EggplantTransplant outdoorsMay 5 – Jun 5
CucumbersSow outdoorsMay 5 – Jul 20
Summer squashSow outdoorsApr 21 – Jun 5
Winter squash & pumpkinsSow outdoorsMay 5 – Jun 5
Snap beansSow outdoorsApr 21 – Aug 12
Sweet cornSow outdoorsApr 21 – Jul 10
Watermelon & cantaloupeSow outdoorsMay 5 – Jun 5
OkraSow outdoorsApr 28 – May 21
PeasSow outdoors (spring)Mar 5 – Apr 20
PotatoesPlant outdoors (spring)Mar 5 – May 5
OnionsStart seeds indoors (spring)Jan 22 – Feb 18
OnionsTransplant outdoors (spring)Mar 22 – Apr 20
BroccoliStart seeds indoors (spring)Feb 15 – Mar 21
BroccoliTransplant outdoors (spring)Mar 22 – Apr 20
BroccoliStart seeds indoors (fall)Jun 30 – Jul 10
BroccoliTransplant outdoors (fall)Jul 30 – Aug 10
CabbageStart seeds indoors (spring)Feb 5 – Mar 5
CabbageTransplant outdoors (spring)Mar 5 – Apr 5
CabbageStart seeds indoors (fall)Jun 20 – Jul 20
CabbageTransplant outdoors (fall)Jul 20 – Aug 20
Leaf lettuceSow outdoors (spring)Mar 5 – May 21
Leaf lettuceSow outdoors (fall)Jul 20 – Sep 5
SpinachSow outdoors (spring)Feb 26 – Apr 11
SpinachSow outdoors (fall)Aug 6 – Sep 10
RadishesSow outdoors (spring)Mar 5 – Apr 25
RadishesSow outdoors (fall)Jul 20 – Sep 20
KaleSow outdoors (spring)Mar 22 – Apr 11
KaleSow outdoors (fall)Jul 13 – Aug 20
CarrotsSow outdoors (spring)Apr 5 – May 21
CarrotsSow outdoors (fall)Jun 20 – Aug 5
GarlicPlant outdoors (fall)Oct 20 – Nov 20

Where these dates come from

ZIP code 29677 is matched to the NOAA station Sandy Springs 2 Ne, SC, 3.1 km away, at 765 ft elevation (14 ft higher than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Sandy Springs 2 Ne, SC (used)765 ftApr 5Oct 30
Clemson Univ, SC800 ftApr 1Nov 3
Anderson, SC800 ftMar 23Nov 11
Anderson Co Ap, SC760 ftMar 29Nov 8

Frost dates near Sandy Springs

Frequently asked questions

When is the last frost in Sandy Springs, SC?
For ZIP code 29677, the average last spring frost (32°F) is April 5, based on NOAA 1991-2020 climate normals for the Sandy Springs 2 Ne, SC weather station. There is a 1-in-10 chance of a frost after April 21.
When is the first frost in Sandy Springs, SC?
The average first fall frost (32°F) is October 30. There is a 1-in-10 chance of frost by October 17, so tender plants are at risk from that point on.
How long is the growing season in 29677?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 207 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.