Frost Report

All states Oregon

Frost dates for Dunes City, 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 28

typical year

Safe to plant

April 21

frost is over in 9 of 10 years

First fall frost

November 22

typical year

Growing season

237 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 – Feb 28 – Mar 14 –
Spinach – Feb 14 – Mar 7 Sep 27 – Oct 11
Lettuce – Feb 28 – Mar 21 Sep 27 – Oct 11
Radishes – Feb 28 – Apr 11 Oct 11 – 25
Onions – Feb 28 – Mar 14 –
Potatoes – Mar 7 – 21 –
Carrots – Mar 7 – 28 Aug 30 – Sep 13
Beets – Feb 28 – Mar 14 Sep 13 – 27
Kale Jan 17 – 31 Feb 28 – Mar 14 Sep 13 – 27
Broccoli Jan 17 – 31 Mar 14 – 28 Sep 13 – 27
Cabbage Jan 3 – 17 Feb 28 – Mar 14 Sep 13 – 27
Garlic – – Oct 11 – Nov 1
Warm-season crops
Tomatoes Feb 24 – Mar 10 Apr 21 – May 5 –
Peppers Feb 17 – Mar 3 Apr 28 – May 12 –
Cucumbers – Apr 21 – May 12 –
Zucchini – Apr 21 – May 19 –
Pumpkins – Apr 21 – May 12 –
Green beans – Apr 21 – Sep 13 –
Sweet corn – Apr 21 – May 19 –
Basil Mar 17 – 31 Apr 28 – May 5 –

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 21March 28February 23
Fall frost before October 28November 22December 20

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 18 (March 18 in a late year), and the first one in fall around December 15.

Towns that use these dates

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

Dunes City

Where these dates come from

NOAA weather station HONEYMAN SP, OR US (USC00353995), 1991–2020 climate normals. It's the nearest station for 1 zip code, all within 5 miles:

97493

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