Frost Report

All states Washington

Frost dates for Quilcene, 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

April 11

typical year

Safe to plant

May 1

frost is over in 9 of 10 years

First fall frost

October 28

typical year

Growing season

199 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 14 – 28 –
Spinach – Feb 28 – Mar 21 Sep 2 – 16
Lettuce – Mar 14 – Apr 4 Sep 2 – 16
Radishes – Mar 14 – Apr 25 Sep 16 – 30
Onions – Mar 14 – 28 –
Potatoes – Mar 21 – Apr 4 –
Carrots – Mar 21 – Apr 11 Aug 5 – 19
Beets – Mar 14 – 28 Aug 19 – Sep 2
Kale Jan 31 – Feb 14 Mar 14 – 28 Aug 19 – Sep 2
Broccoli Jan 31 – Feb 14 Mar 28 – Apr 11 Aug 19 – Sep 2
Cabbage Jan 17 – 31 Mar 14 – 28 Aug 19 – Sep 2
Garlic – – Sep 16 – Oct 7
Warm-season crops
Tomatoes Mar 6 – 20 May 1 – 15 –
Peppers Feb 27 – Mar 13 May 8 – 22 –
Cucumbers – May 1 – 22 –
Zucchini – May 1 – 29 –
Pumpkins – May 1 – 22 –
Green beans – May 1 – Aug 19 –
Sweet corn – May 1 – 29 –
Basil Mar 27 – Apr 10 May 8 – 15 –

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 May 1April 11March 21
Fall frost before October 13October 28November 15

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 7 (March 31 in a late year), and the first one in fall around November 15.

Where these dates come from

NOAA weather station QUILCENE 2 SW, WA US (USC00456846), 1991–2020 climate normals. It's the nearest station for 3 zip codes, all within 11 miles:

98320, 98365, 98376

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