FrostDateByZip

Frost dates for 89801Elko, NV

The average last spring frost in Elko is June 7 and the average first fall frost is September 12, giving a typical growing season of about 98 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
Jun 7

Safer after Jun 22 (1-in-10 risk)

Average first fall frost
Sep 12

Possible by Aug 31 (1-in-10 risk)

Growing season
98 days

Last frost typically in 218 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)Jun 4 · Jun 18 · Jul 1Aug 14 · Sep 2 · Sep 1477 days100%
Frost / freeze (32°F)May 18 · Jun 7 · Jun 22Aug 31 · Sep 12 · Sep 2598 days100%
Hard freeze (28°F)May 1 · May 20 · Jun 11Sep 9 · Sep 23 · Oct 6124 days100%

Planting calendar for Elko

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 indoorsMay 7 – Jul 13
TomatoesTransplant outdoorsJun 23 – May 23
PeppersStart seeds indoorsMay 7 – Jun 7
PeppersTransplant outdoorsJul 7 – Aug 7
EggplantStart seeds indoorsMay 24 – Jun 22
EggplantTransplant outdoorsJul 7 – Aug 7
CucumbersSow outdoorsJul 7 – Jun 2
Summer squashSow outdoorsJun 23 – Aug 7
Winter squash & pumpkinsSow outdoorsJul 7 – Aug 7
Snap beansSow outdoorsJun 23 – Jun 25
Sweet cornSow outdoorsJun 23 – May 23
Watermelon & cantaloupeSow outdoorsJul 7 – Aug 7
OkraSow outdoorsJun 30 – Jul 23
PeasSow outdoors (spring)May 7 – Jun 22
PotatoesPlant outdoors (spring)May 7 – Jul 7
OnionsStart seeds indoors (spring)Mar 26 – Apr 22
OnionsTransplant outdoors (spring)May 24 – Jun 22
BroccoliStart seeds indoors (spring)Apr 19 – May 23
BroccoliTransplant outdoors (spring)May 24 – Jun 22
BroccoliStart seeds indoors (fall)May 13 – May 23
BroccoliTransplant outdoors (fall)Jun 12 – Jun 23
CabbageStart seeds indoors (spring)Apr 9 – May 7
CabbageTransplant outdoors (spring)May 7 – Jun 7
CabbageStart seeds indoors (fall)May 3 – Jun 2
CabbageTransplant outdoors (fall)Jun 2 – Jul 3
Leaf lettuceSow outdoors (spring)May 7 – Jul 23
Leaf lettuceSow outdoors (fall)Jun 2 – Jul 19
SpinachSow outdoors (spring)Apr 30 – Jun 13
SpinachSow outdoors (fall)Jun 19 – Jul 24
RadishesSow outdoors (spring)May 7 – Jun 27
RadishesSow outdoors (fall)Jun 2 – Aug 3
KaleSow outdoors (spring)May 24 – Jun 13
KaleSow outdoors (fall)May 26 – Jul 3
CarrotsSow outdoors (spring)Jun 7 – Jul 23
CarrotsSow outdoors (fall)May 3 – Jun 18
GarlicPlant outdoors (fall)Sep 2 – Oct 3

Where these dates come from

ZIP code 89801 is matched to the NOAA station Ryndon, NV, 9.9 km away, at 5,288 ft elevation (42 ft higher than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Ryndon, NV (used)5,288 ftJun 7Sep 12
Elko Nws Office, NV5,235 ftMay 26Sep 23
Lamoille 2N, NV5,750 ft——
Lamoille Yost, NV5,840 ftJun 6Sep 16

Frost dates near Elko

Frequently asked questions

When is the last frost in Elko, NV?
For ZIP code 89801, the average last spring frost (32°F) is June 7, based on NOAA 1991-2020 climate normals for the Ryndon, NV weather station. There is a 1-in-10 chance of a frost after June 22.
When is the first frost in Elko, NV?
The average first fall frost (32°F) is September 12. There is a 1-in-10 chance of frost by August 31, so tender plants are at risk from that point on.
How long is the growing season in 89801?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 98 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.