Frost Report

All states Idaho

Frost dates for Albion, ID

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 23

frost is over in 9 of 10 years

First fall frost

September 13

typical year

Growing season

96 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 19 – Aug 2
Lettuce – May 8 – 29 Jul 19 – Aug 2
Radishes – May 8 – Jun 19 Aug 2 – 16
Onions – May 8 – 22 –
Potatoes Season usually too short. Try a quick variety or row covers.
Carrots – May 15 – Jun 5 Jun 21 – Jul 5
Beets – May 8 – 22 Jul 5 – 19
Kale Mar 27 – Apr 10 May 8 – 22 Jul 5 – 19
Broccoli Mar 27 – Apr 10 May 22 – Jun 5 Jul 5 – 19
Cabbage Mar 13 – 27 May 8 – 22 Jul 5 – 19
Garlic – – Aug 2 – 23
Warm-season crops
Tomatoes Apr 28 – May 12 Jun 23 – Jul 7 –
Peppers Apr 21 – May 5 Jun 30 – Jul 14 –
Cucumbers – Jun 23 – Jul 14 –
Zucchini – Jun 23 – Jul 21 –
Pumpkins Season usually too short. Try a quick variety or row covers.
Green beans – Jun 23 – Jul 5 –
Sweet corn Season usually too short. Try a quick variety or row covers.
Basil May 19 – Jun 2 Jun 30 – Jul 7 –

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 23June 5May 19
Fall frost before August 28September 13September 28

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 17 (June 4 in a late year), and the first one in fall around September 26.

Towns that use these dates

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

Albion, Malta

Where these dates come from

NOAA weather station MALTA, ID US (USC00105567), 1991–2020 climate normals. It's the nearest station for 2 zip codes, all within 12 miles:

83311, 83323

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