FrostDateByZip

Frost dates for 38356Medon, TN

The average last spring frost in Medon is April 5 and the average first fall frost is October 29, 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 29

Possible by Oct 16 (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)Mar 31 · Apr 16 · May 2Oct 7 · Oct 20 · Nov 1186 days100%
Frost / freeze (32°F)Mar 19 · Apr 5 · Apr 21Oct 16 · Oct 29 · Nov 10207 days100%
Hard freeze (28°F)Mar 4 · Mar 25 · Apr 10Oct 27 · Nov 7 · Nov 25231 days100%

Planting calendar for Medon

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 9
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 19
Summer squashSow outdoorsApr 21 – Jun 5
Winter squash & pumpkinsSow outdoorsMay 5 – Jun 5
Snap beansSow outdoorsApr 21 – Aug 11
Sweet cornSow outdoorsApr 21 – Jul 9
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 29 – Jul 9
BroccoliTransplant outdoors (fall)Jul 29 – Aug 9
CabbageStart seeds indoors (spring)Feb 5 – Mar 5
CabbageTransplant outdoors (spring)Mar 5 – Apr 5
CabbageStart seeds indoors (fall)Jun 19 – Jul 19
CabbageTransplant outdoors (fall)Jul 19 – Aug 19
Leaf lettuceSow outdoors (spring)Mar 5 – May 21
Leaf lettuceSow outdoors (fall)Jul 19 – Sep 4
SpinachSow outdoors (spring)Feb 26 – Apr 11
SpinachSow outdoors (fall)Aug 5 – Sep 9
RadishesSow outdoors (spring)Mar 5 – Apr 25
RadishesSow outdoors (fall)Jul 19 – Sep 19
KaleSow outdoors (spring)Mar 22 – Apr 11
KaleSow outdoors (fall)Jul 12 – Aug 19
CarrotsSow outdoors (spring)Apr 5 – May 21
CarrotsSow outdoors (fall)Jun 19 – Aug 4
GarlicPlant outdoors (fall)Oct 19 – Nov 19

Where these dates come from

ZIP code 38356 is matched to the NOAA station Jackson Mckellar Ap, TN, 17.7 km away, at 433 ft elevation (13 ft lower than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Jackson Mckellar Ap, TN (used)433 ftApr 5Oct 29
Henderson 4 W, TN460 ftApr 10Oct 25
Bolivar Wtr Wks, TN455 ftApr 3Oct 30
Jackson Exp Stn, TN400 ftApr 2Oct 29

Frost dates near Medon

Frequently asked questions

When is the last frost in Medon, TN?
For ZIP code 38356, the average last spring frost (32°F) is April 5, based on NOAA 1991-2020 climate normals for the Jackson Mckellar Ap, TN weather station. There is a 1-in-10 chance of a frost after April 21.
When is the first frost in Medon, TN?
The average first fall frost (32°F) is October 29. There is a 1-in-10 chance of frost by October 16, so tender plants are at risk from that point on.
How long is the growing season in 38356?
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.