FrostDateByZip

Frost dates for 38256Springville, TN

The average last spring frost in Springville is April 8 and the average first fall frost is October 29, giving a typical growing season of about 202 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
Apr 8

Safer after Apr 23 (1-in-10 risk)

Average first fall frost
Oct 29

Possible by Oct 14 (1-in-10 risk)

Growing season
202 days

Last frost typically in 156 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 5 · Apr 20 · May 3Oct 5 · Oct 20 · Oct 31181 days100%
Frost / freeze (32°F)Mar 23 · Apr 8 · Apr 23Oct 14 · Oct 29 · Nov 12202 days100%
Hard freeze (28°F)Mar 6 · Mar 28 · Apr 14Oct 24 · Nov 8 · Nov 27225 days100%

Planting calendar for Springville

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 8 – May 14
TomatoesTransplant outdoorsApr 24 – Jul 9
PeppersStart seeds indoorsMar 8 – Apr 8
PeppersTransplant outdoorsMay 8 – Jun 8
EggplantStart seeds indoorsMar 25 – Apr 23
EggplantTransplant outdoorsMay 8 – Jun 8
CucumbersSow outdoorsMay 8 – Jul 19
Summer squashSow outdoorsApr 24 – Jun 8
Winter squash & pumpkinsSow outdoorsMay 8 – Jun 8
Snap beansSow outdoorsApr 24 – Aug 11
Sweet cornSow outdoorsApr 24 – Jul 9
Watermelon & cantaloupeSow outdoorsMay 8 – Jun 8
OkraSow outdoorsMay 1 – May 24
PeasSow outdoors (spring)Mar 8 – Apr 23
PotatoesPlant outdoors (spring)Mar 8 – May 8
OnionsStart seeds indoors (spring)Jan 25 – Feb 21
OnionsTransplant outdoors (spring)Mar 25 – Apr 23
BroccoliStart seeds indoors (spring)Feb 18 – Mar 24
BroccoliTransplant outdoors (spring)Mar 25 – Apr 23
BroccoliStart seeds indoors (fall)Jun 29 – Jul 9
BroccoliTransplant outdoors (fall)Jul 29 – Aug 9
CabbageStart seeds indoors (spring)Feb 8 – Mar 8
CabbageTransplant outdoors (spring)Mar 8 – Apr 8
CabbageStart seeds indoors (fall)Jun 19 – Jul 19
CabbageTransplant outdoors (fall)Jul 19 – Aug 19
Leaf lettuceSow outdoors (spring)Mar 8 – May 24
Leaf lettuceSow outdoors (fall)Jul 19 – Sep 4
SpinachSow outdoors (spring)Mar 1 – Apr 14
SpinachSow outdoors (fall)Aug 5 – Sep 9
RadishesSow outdoors (spring)Mar 8 – Apr 28
RadishesSow outdoors (fall)Jul 19 – Sep 19
KaleSow outdoors (spring)Mar 25 – Apr 14
KaleSow outdoors (fall)Jul 12 – Aug 19
CarrotsSow outdoors (spring)Apr 8 – May 24
CarrotsSow outdoors (fall)Jun 19 – Aug 4
GarlicPlant outdoors (fall)Oct 19 – Nov 19

Where these dates come from

ZIP code 38256 is matched to the NOAA station Big Sandy, TN, 6 km away, at 365 ft elevation (94 ft lower than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Big Sandy, TN (used)365 ftApr 8Oct 29
Paris 2 Se, TN443 ftApr 7Oct 31
Camden, TN423 ftApr 3Nov 1
Tennessee Ridge, TN722 ftApr 7Nov 3

Frost dates near Springville

Frequently asked questions

When is the last frost in Springville, TN?
For ZIP code 38256, the average last spring frost (32°F) is April 8, based on NOAA 1991-2020 climate normals for the Big Sandy, TN weather station. There is a 1-in-10 chance of a frost after April 23.
When is the first frost in Springville, TN?
The average first fall frost (32°F) is October 29. There is a 1-in-10 chance of frost by October 14, so tender plants are at risk from that point on.
How long is the growing season in 38256?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 202 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.