FrostDateByZip

Frost dates for 38579Quebeck, TN

The average last spring frost in Quebeck is April 15 and the average first fall frost is October 23, giving a typical growing season of about 191 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
Apr 15

Safer after Apr 30 (1-in-10 risk)

Average first fall frost
Oct 23

Possible by Oct 11 (1-in-10 risk)

Growing season
191 days

Last frost typically in 163 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 10 · Apr 26 · May 11Oct 5 · Oct 15 · Oct 27171 days100%
Frost / freeze (32°F)Mar 31 · Apr 15 · Apr 30Oct 11 · Oct 23 · Nov 5191 days100%
Hard freeze (28°F)Mar 17 · Apr 3 · Apr 18Oct 19 · Nov 1 · Nov 15212 days100%

Planting calendar for Quebeck

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 15 – May 21
TomatoesTransplant outdoorsMay 1 – Jul 3
PeppersStart seeds indoorsMar 15 – Apr 15
PeppersTransplant outdoorsMay 15 – Jun 15
EggplantStart seeds indoorsApr 1 – Apr 30
EggplantTransplant outdoorsMay 15 – Jun 15
CucumbersSow outdoorsMay 15 – Jul 13
Summer squashSow outdoorsMay 1 – Jun 15
Winter squash & pumpkinsSow outdoorsMay 15 – Jun 15
Snap beansSow outdoorsMay 1 – Aug 5
Sweet cornSow outdoorsMay 1 – Jul 3
Watermelon & cantaloupeSow outdoorsMay 15 – Jun 15
OkraSow outdoorsMay 8 – May 31
PeasSow outdoors (spring)Mar 15 – Apr 30
PotatoesPlant outdoors (spring)Mar 15 – May 15
OnionsStart seeds indoors (spring)Feb 1 – Feb 28
OnionsTransplant outdoors (spring)Apr 1 – Apr 30
BroccoliStart seeds indoors (spring)Feb 25 – Mar 31
BroccoliTransplant outdoors (spring)Apr 1 – Apr 30
BroccoliStart seeds indoors (fall)Jun 23 – Jul 3
BroccoliTransplant outdoors (fall)Jul 23 – Aug 3
CabbageStart seeds indoors (spring)Feb 15 – Mar 15
CabbageTransplant outdoors (spring)Mar 15 – Apr 15
CabbageStart seeds indoors (fall)Jun 13 – Jul 13
CabbageTransplant outdoors (fall)Jul 13 – Aug 13
Leaf lettuceSow outdoors (spring)Mar 15 – May 31
Leaf lettuceSow outdoors (fall)Jul 13 – Aug 29
SpinachSow outdoors (spring)Mar 8 – Apr 21
SpinachSow outdoors (fall)Jul 30 – Sep 3
RadishesSow outdoors (spring)Mar 15 – May 5
RadishesSow outdoors (fall)Jul 13 – Sep 13
KaleSow outdoors (spring)Apr 1 – Apr 21
KaleSow outdoors (fall)Jul 6 – Aug 13
CarrotsSow outdoors (spring)Apr 15 – May 31
CarrotsSow outdoors (fall)Jun 13 – Jul 29
GarlicPlant outdoors (fall)Oct 13 – Nov 13

Where these dates come from

ZIP code 38579 is matched to the NOAA station Sparta Wastewater Plant, TN, 11 km away, at 905 ft elevation (27 ft lower than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Sparta Wastewater Plant, TN (used)905 ftApr 15Oct 23
Rock Island Sp, TN880 ftApr 6Oct 30
Smithville 2 Se, TN890 ftApr 18Oct 22
Mc Minnville, TN940 ftApr 7Oct 30

Frost dates near Quebeck

Frequently asked questions

When is the last frost in Quebeck, TN?
For ZIP code 38579, the average last spring frost (32°F) is April 15, based on NOAA 1991-2020 climate normals for the Sparta Wastewater Plant, TN weather station. There is a 1-in-10 chance of a frost after April 30.
When is the first frost in Quebeck, TN?
The average first fall frost (32°F) is October 23. There is a 1-in-10 chance of frost by October 11, so tender plants are at risk from that point on.
How long is the growing season in 38579?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 191 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.