Frost Report

All states Oregon

Frost dates for Sutherlin, OR

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 31

typical year

Safe to plant

April 26

frost is over in 9 of 10 years

First fall frost

November 5

typical year

Growing season

215 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 3 – 17 –
Spinach – Feb 17 – Mar 10 Sep 10 – 24
Lettuce – Mar 3 – 24 Sep 10 – 24
Radishes – Mar 3 – Apr 14 Sep 24 – Oct 8
Onions – Mar 3 – 17 –
Potatoes – Mar 10 – 24 –
Carrots – Mar 10 – 31 Aug 13 – 27
Beets – Mar 3 – 17 Aug 27 – Sep 10
Kale Jan 20 – Feb 3 Mar 3 – 17 Aug 27 – Sep 10
Broccoli Jan 20 – Feb 3 Mar 17 – 31 Aug 27 – Sep 10
Cabbage Jan 6 – 20 Mar 3 – 17 Aug 27 – Sep 10
Garlic – – Sep 24 – Oct 15
Warm-season crops
Tomatoes Mar 1 – 15 Apr 26 – May 10 –
Peppers Feb 22 – Mar 8 May 3 – 17 –
Cucumbers – Apr 26 – May 17 –
Zucchini – Apr 26 – May 24 –
Pumpkins – Apr 26 – May 17 –
Green beans – Apr 26 – Aug 27 –
Sweet corn – Apr 26 – May 24 –
Basil Mar 22 – Apr 5 May 3 – 10 –

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 26March 31March 5
Fall frost before October 16November 5December 3

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 February 26 (March 31 in a late year), and the first one in fall around December 1.

Towns that use these dates

This is the nearest NOAA station with frost records for 2 towns.

Sutherlin, Oakland

Where these dates come from

NOAA weather station WINCHESTER, OR US (USC00359461), 1991–2020 climate normals. It's the nearest station for 4 zip codes, all within 12 miles:

97479, 97486, 97494, 97495

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