Frost Report

All states Oregon

Frost dates for McMinnville, 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

April 5

typical year

Safe to plant

April 27

frost is over in 9 of 10 years

First fall frost

November 7

typical year

Growing season

216 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 8 – 22 –
Spinach – Feb 22 – Mar 15 Sep 12 – 26
Lettuce – Mar 8 – 29 Sep 12 – 26
Radishes – Mar 8 – Apr 19 Sep 26 – Oct 10
Onions – Mar 8 – 22 –
Potatoes – Mar 15 – 29 –
Carrots – Mar 15 – Apr 5 Aug 15 – 29
Beets – Mar 8 – 22 Aug 29 – Sep 12
Kale Jan 25 – Feb 8 Mar 8 – 22 Aug 29 – Sep 12
Broccoli Jan 25 – Feb 8 Mar 22 – Apr 5 Aug 29 – Sep 12
Cabbage Jan 11 – 25 Mar 8 – 22 Aug 29 – Sep 12
Garlic – – Sep 26 – Oct 17
Warm-season crops
Tomatoes Mar 2 – 16 Apr 27 – May 11 –
Peppers Feb 23 – Mar 9 May 4 – 18 –
Cucumbers – Apr 27 – May 18 –
Zucchini – Apr 27 – May 25 –
Pumpkins – Apr 27 – May 18 –
Green beans – Apr 27 – Aug 29 –
Sweet corn – Apr 27 – May 25 –
Basil Mar 23 – Apr 6 May 4 – 11 –

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 27April 5March 5
Fall frost before October 20November 7December 1

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 20 (March 20 in a late year), and the first one in fall around November 28.

Towns that use these dates

This is the nearest NOAA station with frost records for 4 towns.

McMinnville, Lafayette, Carlton, Yamhill

Where these dates come from

NOAA weather station MC MINNVILLE, OR US (USC00355384), 1991–2020 climate normals. It's the nearest station for 4 zip codes, all within 11 miles:

97111, 97127, 97128, 97148

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