FrostDateByZip

Frost dates for 98201Everett, WA

The average last spring frost in Everett is March 24 and the average first fall frost is November 2, giving a typical growing season of about 223 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
Mar 24

Safer after Apr 11 (1-in-10 risk)

Average first fall frost
Nov 2

Possible by Oct 16 (1-in-10 risk)

Growing season
223 days

First frost typically in 7 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)Mar 31 · Apr 20 · May 8Oct 1 · Oct 18 · Nov 4183 days100%
Frost / freeze (32°F)Mar 4 · Mar 24 · Apr 11Oct 16 · Nov 2 · Nov 23223 days100%
Hard freeze (28°F)Jan 31 · Mar 1 · Mar 20Oct 29 · Nov 21 · Dec 14265 days100%

Planting calendar for Everett

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 indoorsFeb 21 – Apr 29
TomatoesTransplant outdoorsApr 9 – Jul 13
PeppersStart seeds indoorsFeb 21 – Mar 24
PeppersTransplant outdoorsApr 23 – May 24
EggplantStart seeds indoorsMar 10 – Apr 8
EggplantTransplant outdoorsApr 23 – May 24
CucumbersSow outdoorsApr 23 – Jul 23
Summer squashSow outdoorsApr 9 – May 24
Winter squash & pumpkinsSow outdoorsApr 23 – May 24
Snap beansSow outdoorsApr 9 – Aug 15
Sweet cornSow outdoorsApr 9 – Jul 13
Watermelon & cantaloupeSow outdoorsApr 23 – May 24
OkraSow outdoorsApr 16 – May 9
PeasSow outdoors (spring)Feb 21 – Apr 8
PotatoesPlant outdoors (spring)Feb 21 – Apr 23
OnionsStart seeds indoors (spring)Jan 10 – Feb 6
OnionsTransplant outdoors (spring)Mar 10 – Apr 8
BroccoliStart seeds indoors (spring)Feb 3 – Mar 9
BroccoliTransplant outdoors (spring)Mar 10 – Apr 8
BroccoliStart seeds indoors (fall)Jul 3 – Jul 13
BroccoliTransplant outdoors (fall)Aug 2 – Aug 13
CabbageStart seeds indoors (spring)Jan 24 – Feb 21
CabbageTransplant outdoors (spring)Feb 21 – Mar 24
CabbageStart seeds indoors (fall)Jun 23 – Jul 23
CabbageTransplant outdoors (fall)Jul 23 – Aug 23
Leaf lettuceSow outdoors (spring)Feb 21 – May 9
Leaf lettuceSow outdoors (fall)Jul 23 – Sep 8
SpinachSow outdoors (spring)Feb 14 – Mar 30
SpinachSow outdoors (fall)Aug 9 – Sep 13
RadishesSow outdoors (spring)Feb 21 – Apr 13
RadishesSow outdoors (fall)Jul 23 – Sep 23
KaleSow outdoors (spring)Mar 10 – Mar 30
KaleSow outdoors (fall)Jul 16 – Aug 23
CarrotsSow outdoors (spring)Mar 24 – May 9
CarrotsSow outdoors (fall)Jun 23 – Aug 8
GarlicPlant outdoors (fall)Oct 23 – Nov 23

Where these dates come from

ZIP code 98201 is matched to the NOAA station Everett, WA, 1.5 km away, at 60 ft elevation (38 ft lower than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Everett, WA (used)60 ftMar 24Nov 2
Everett Snohomish Ap, WA606 ftMar 9Nov 17
Monroe, WA120 ftApr 17Oct 23
Arlington, WA100 ftApr 22Oct 19

Frost dates near Everett

Frequently asked questions

When is the last frost in Everett, WA?
For ZIP code 98201, the average last spring frost (32°F) is March 24, based on NOAA 1991-2020 climate normals for the Everett, WA weather station. There is a 1-in-10 chance of a frost after April 11.
When is the first frost in Everett, WA?
The average first fall frost (32°F) is November 2. There is a 1-in-10 chance of frost by October 16, so tender plants are at risk from that point on.
How long is the growing season in 98201?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 223 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.