Frost Report

All states Washington

Frost dates for Vancouver, WA

When the last spring frost and first fall frost usually come, and when to plant, from 30 years of NOAA weather records.

Last spring frost

March 29

typical year

Safe to plant

April 18

frost is over in 9 of 10 years

First fall frost

November 9

typical year

Growing season

223 days

frost-free, typical year

When to plant

Counted from this page's frost dates. Warm-season crops wait for the safe-to-plant date.

CropStart indoorsPlant outsideFall planting
Cool-season crops
Peas – Mar 1 – 15 –
Spinach – Feb 15 – Mar 8 Sep 14 – 28
Lettuce – Mar 1 – 22 Sep 14 – 28
Radishes – Mar 1 – Apr 12 Sep 28 – Oct 12
Onions – Mar 1 – 15 –
Potatoes – Mar 8 – 22 –
Carrots – Mar 8 – 29 Aug 17 – 31
Beets – Mar 1 – 15 Aug 31 – Sep 14
Kale Jan 18 – Feb 1 Mar 1 – 15 Aug 31 – Sep 14
Broccoli Jan 18 – Feb 1 Mar 15 – 29 Aug 31 – Sep 14
Cabbage Jan 4 – 18 Mar 1 – 15 Aug 31 – Sep 14
Garlic – – Sep 28 – Oct 19
Warm-season crops
Tomatoes Feb 21 – Mar 7 Apr 18 – May 2 –
Peppers Feb 14 – 28 Apr 25 – May 9 –
Cucumbers – Apr 18 – May 9 –
Zucchini – Apr 18 – May 16 –
Pumpkins – Apr 18 – May 9 –
Green beans – Apr 18 – Aug 31 –
Sweet corn – Apr 18 – May 16 –
Basil Mar 14 – 28 Apr 25 – May 2 –

Onions: from sets. Green beans: until 10 weeks before the first fall frost. Garlic: harvest next summer.

The year at a glance

Start indoors Plant outside Fall planting

The chance of frost, by date

1 year in 10Half of years9 years in 10
Spring frost after April 18March 29March 6
Fall frost before October 22November 9November 30

Frost here means 32°F or colder. Read across: in 1 year in 10, spring frost carries on past the first date, which is why that date is the safe-to-plant date.

Hard freeze (28°F)

A hard freeze kills most garden plants, even hardy ones. The last one in spring usually comes around March 3 (March 27 in a late year), and the first one in fall around November 26.

Towns that use these dates

This is the nearest NOAA station with frost records for 1 town.

Vancouver

Where these dates come from

NOAA weather station VANCOUVER PEARSON AP, WA US (USW00094298), 1991–2020 climate normals. It's the nearest station for 3 zip codes, all within 4 miles:

97203, 97217, 98661

Planting dates follow common university extension advice; your local extension service can fine-tune them for your soil and microclimate.