FrostDateByZip

Frost dates for 97127Lafayette, OR

The average last spring frost in Lafayette is April 5 and the average first fall frost is November 7, giving a typical growing season of about 216 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
Apr 5

Safer after Apr 27 (1-in-10 risk)

Average first fall frost
Nov 7

Possible by Oct 20 (1-in-10 risk)

Growing season
216 days

First frost typically in 4 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 12 · Apr 29 · May 15Oct 5 · Oct 22 · Nov 9176 days100%
Frost / freeze (32°F)Mar 5 · Apr 5 · Apr 27Oct 20 · Nov 7 · Dec 1216 days100%
Hard freeze (28°F)Jan 3 · Feb 20 · Mar 20Nov 5 · Nov 28 · Jan 2283 days99%

Planting calendar for Lafayette

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 18
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 28
Summer squashSow outdoorsApr 21 – Jun 5
Winter squash & pumpkinsSow outdoorsMay 5 – Jun 5
Snap beansSow outdoorsApr 21 – Aug 20
Sweet cornSow outdoorsApr 21 – Jul 18
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)Jul 8 – Jul 18
BroccoliTransplant outdoors (fall)Aug 7 – Aug 18
CabbageStart seeds indoors (spring)Feb 5 – Mar 5
CabbageTransplant outdoors (spring)Mar 5 – Apr 5
CabbageStart seeds indoors (fall)Jun 28 – Jul 28
CabbageTransplant outdoors (fall)Jul 28 – Aug 28
Leaf lettuceSow outdoors (spring)Mar 5 – May 21
Leaf lettuceSow outdoors (fall)Jul 28 – Sep 13
SpinachSow outdoors (spring)Feb 26 – Apr 11
SpinachSow outdoors (fall)Aug 14 – Sep 18
RadishesSow outdoors (spring)Mar 5 – Apr 25
RadishesSow outdoors (fall)Jul 28 – Sep 28
KaleSow outdoors (spring)Mar 22 – Apr 11
KaleSow outdoors (fall)Jul 21 – Aug 28
CarrotsSow outdoors (spring)Apr 5 – May 21
CarrotsSow outdoors (fall)Jun 28 – Aug 13
GarlicPlant outdoors (fall)Oct 28 – Nov 28

Where these dates come from

ZIP code 97127 is matched to the NOAA station Mc Minnville, OR, 4.9 km away, at 155 ft elevation (58 ft lower than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Mc Minnville, OR (used)155 ftApr 5Nov 7
Mcminnville Muni Ap, OR159 ftApr 15Oct 26
Rex 1 S, OR515 ftMar 21Nov 22
Aurora State Ap, OR196 ftMar 16Nov 14

Frost dates near Lafayette

Frequently asked questions

When is the last frost in Lafayette, OR?
For ZIP code 97127, the average last spring frost (32°F) is April 5, based on NOAA 1991-2020 climate normals for the Mc Minnville, OR weather station. There is a 1-in-10 chance of a frost after April 27.
When is the first frost in Lafayette, OR?
The average first fall frost (32°F) is November 7. There is a 1-in-10 chance of frost by October 20, so tender plants are at risk from that point on.
How long is the growing season in 97127?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 216 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.