FrostDateByZip

Frost dates for 37890White Pine, TN

The average last spring frost in White Pine is April 7 and the average first fall frost is October 29, giving a typical growing season of about 203 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
Apr 7

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

Average first fall frost
Oct 29

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

Growing season
203 days

Last frost typically in 155 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 21 · May 6Oct 9 · Oct 21 · Nov 2182 days100%
Frost / freeze (32°F)Mar 23 · Apr 7 · Apr 23Oct 17 · Oct 29 · Nov 10203 days100%
Hard freeze (28°F)Mar 9 · Mar 27 · Apr 12Oct 25 · Nov 6 · Nov 20224 days100%

Planting calendar for White Pine

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 7 – May 13
TomatoesTransplant outdoorsApr 23 – Jul 9
PeppersStart seeds indoorsMar 7 – Apr 7
PeppersTransplant outdoorsMay 7 – Jun 7
EggplantStart seeds indoorsMar 24 – Apr 22
EggplantTransplant outdoorsMay 7 – Jun 7
CucumbersSow outdoorsMay 7 – Jul 19
Summer squashSow outdoorsApr 23 – Jun 7
Winter squash & pumpkinsSow outdoorsMay 7 – Jun 7
Snap beansSow outdoorsApr 23 – Aug 11
Sweet cornSow outdoorsApr 23 – Jul 9
Watermelon & cantaloupeSow outdoorsMay 7 – Jun 7
OkraSow outdoorsApr 30 – May 23
PeasSow outdoors (spring)Mar 7 – Apr 22
PotatoesPlant outdoors (spring)Mar 7 – May 7
OnionsStart seeds indoors (spring)Jan 24 – Feb 20
OnionsTransplant outdoors (spring)Mar 24 – Apr 22
BroccoliStart seeds indoors (spring)Feb 17 – Mar 23
BroccoliTransplant outdoors (spring)Mar 24 – Apr 22
BroccoliStart seeds indoors (fall)Jun 29 – Jul 9
BroccoliTransplant outdoors (fall)Jul 29 – Aug 9
CabbageStart seeds indoors (spring)Feb 7 – Mar 7
CabbageTransplant outdoors (spring)Mar 7 – Apr 7
CabbageStart seeds indoors (fall)Jun 19 – Jul 19
CabbageTransplant outdoors (fall)Jul 19 – Aug 19
Leaf lettuceSow outdoors (spring)Mar 7 – May 23
Leaf lettuceSow outdoors (fall)Jul 19 – Sep 4
SpinachSow outdoors (spring)Feb 28 – Apr 13
SpinachSow outdoors (fall)Aug 5 – Sep 9
RadishesSow outdoors (spring)Mar 7 – Apr 27
RadishesSow outdoors (fall)Jul 19 – Sep 19
KaleSow outdoors (spring)Mar 24 – Apr 13
KaleSow outdoors (fall)Jul 12 – Aug 19
CarrotsSow outdoors (spring)Apr 7 – May 23
CarrotsSow outdoors (fall)Jun 19 – Aug 4
GarlicPlant outdoors (fall)Oct 19 – Nov 19

Where these dates come from

ZIP code 37890 is matched to the NOAA station Newport 1 Nw, TN, 13.8 km away, at 1,036 ft elevation (17 ft lower than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Newport 1 Nw, TN (used)1,036 ftApr 7Oct 29
Morristown Wfo, TN1,320 ftMar 31Nov 4
Morristown Radio Wcrk, TN1,344 ftApr 10Oct 28
Jefferson City, TN1,108 ftApr 24Oct 17

Frost dates near White Pine

Frequently asked questions

When is the last frost in White Pine, TN?
For ZIP code 37890, the average last spring frost (32°F) is April 7, based on NOAA 1991-2020 climate normals for the Newport 1 Nw, TN weather station. There is a 1-in-10 chance of a frost after April 23.
When is the first frost in White Pine, TN?
The average first fall frost (32°F) is October 29. 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 37890?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 203 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.