FrostDateByZip

Frost dates for 97364Neotsu, OR

The average last spring frost in Neotsu is April 4 and the average first fall frost is November 16, giving a typical growing season of about 227 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
Apr 4

Safer after May 3 (1-in-10 risk)

Average first fall frost
Nov 16

Possible by Oct 26 (1-in-10 risk)

Growing season
227 days

First frost typically in 15 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 15 · May 3 · May 22Oct 4 · Oct 25 · Nov 14172 days100%
Frost / freeze (32°F)Mar 2 · Apr 4 · May 3Oct 26 · Nov 16 · Dec 12227 days100%
Hard freeze (28°F)Dec 26 · Feb 18 · Mar 24Nov 10 · Dec 8 · Jan 30300 days94%

Planting calendar for Neotsu

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 4 – May 10
TomatoesTransplant outdoorsApr 20 – Jul 27
PeppersStart seeds indoorsMar 4 – Apr 4
PeppersTransplant outdoorsMay 4 – Jun 4
EggplantStart seeds indoorsMar 21 – Apr 19
EggplantTransplant outdoorsMay 4 – Jun 4
CucumbersSow outdoorsMay 4 – Aug 6
Summer squashSow outdoorsApr 20 – Jun 4
Winter squash & pumpkinsSow outdoorsMay 4 – Jun 4
Snap beansSow outdoorsApr 20 – Aug 29
Sweet cornSow outdoorsApr 20 – Jul 27
Watermelon & cantaloupeSow outdoorsMay 4 – Jun 4
OkraSow outdoorsApr 27 – May 20
PeasSow outdoors (spring)Mar 4 – Apr 19
PotatoesPlant outdoors (spring)Mar 4 – May 4
OnionsStart seeds indoors (spring)Jan 21 – Feb 17
OnionsTransplant outdoors (spring)Mar 21 – Apr 19
BroccoliStart seeds indoors (spring)Feb 14 – Mar 20
BroccoliTransplant outdoors (spring)Mar 21 – Apr 19
BroccoliStart seeds indoors (fall)Jul 17 – Jul 27
BroccoliTransplant outdoors (fall)Aug 16 – Aug 27
CabbageStart seeds indoors (spring)Feb 4 – Mar 4
CabbageTransplant outdoors (spring)Mar 4 – Apr 4
CabbageStart seeds indoors (fall)Jul 7 – Aug 6
CabbageTransplant outdoors (fall)Aug 6 – Sep 6
Leaf lettuceSow outdoors (spring)Mar 4 – May 20
Leaf lettuceSow outdoors (fall)Aug 6 – Sep 22
SpinachSow outdoors (spring)Feb 25 – Apr 10
SpinachSow outdoors (fall)Aug 23 – Sep 27
RadishesSow outdoors (spring)Mar 4 – Apr 24
RadishesSow outdoors (fall)Aug 6 – Oct 7
KaleSow outdoors (spring)Mar 21 – Apr 10
KaleSow outdoors (fall)Jul 30 – Sep 6
CarrotsSow outdoors (spring)Apr 4 – May 20
CarrotsSow outdoors (fall)Jul 7 – Aug 22
GarlicPlant outdoors (fall)Nov 6 – Dec 7

Where these dates come from

ZIP code 97364 is matched to the NOAA station Otis 2 Ne, OR, 6.1 km away, at 150 ft elevation (137 ft higher than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Otis 2 Ne, OR (used)150 ftApr 4Nov 16
Cloverdale, OR12 ftMar 17Nov 22
Laurel Mtn, OR3,589 ftMay 20Oct 23
Newport 3N, OR220 ftMar 12Dec 10

Frost dates near Neotsu

Frequently asked questions

When is the last frost in Neotsu, OR?
For ZIP code 97364, the average last spring frost (32°F) is April 4, based on NOAA 1991-2020 climate normals for the Otis 2 Ne, OR weather station. There is a 1-in-10 chance of a frost after May 3.
When is the first frost in Neotsu, OR?
The average first fall frost (32°F) is November 16. There is a 1-in-10 chance of frost by October 26, so tender plants are at risk from that point on.
How long is the growing season in 97364?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 227 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.