Frost Report

All states Oregon

Frost dates for Drewsey, 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

June 5

typical year

Safe to plant

June 26

frost is over in 9 of 10 years

First fall frost

September 5

typical year

Growing season

91 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 – May 8 – 22 –
Spinach – Apr 24 – May 15 Jul 11 – 25
Lettuce – May 8 – 29 Jul 11 – 25
Radishes – May 8 – Jun 19 Jul 25 – Aug 8
Onions – May 8 – 22 –
Potatoes Season usually too short. Try a quick variety or row covers.
Carrots – May 15 – Jun 5 Jun 13 – 27
Beets – May 8 – 22 Jun 27 – Jul 11
Kale Mar 27 – Apr 10 May 8 – 22 Jun 27 – Jul 11
Broccoli Mar 27 – Apr 10 May 22 – Jun 5 Jun 27 – Jul 11
Cabbage Mar 13 – 27 May 8 – 22 Jun 27 – Jul 11
Garlic – – Jul 25 – Aug 15
Warm-season crops
Tomatoes Season usually too short. Try a quick variety or row covers.
Peppers Season usually too short. Try a quick variety or row covers.
Cucumbers – Jun 26 – Jul 17 –
Zucchini – Jun 26 – Jul 24 –
Pumpkins Season usually too short. Try a quick variety or row covers.
Green beans – Jun 26 – 27 –
Sweet corn Season usually too short. Try a quick variety or row covers.
Basil May 22 – Jun 5 Jul 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 June 26June 5May 17
Fall frost before August 20September 5September 21

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 May 18 (June 10 in a late year), and the first one in fall around September 17.

Where these dates come from

NOAA weather station DREWSEY, OR US (USC00352415), 1991–2020 climate normals. It's the nearest station for 2 zip codes, all within 17 miles:

97904, 97911

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