Frost Report

All states Alaska

Frost dates for Eagle, AK

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

May 29

typical year

Safe to plant

June 11

frost is over in 9 of 10 years

First fall frost

August 23

typical year

Growing season

86 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 1 – 15 –
Spinach – Apr 17 – May 8 Jun 28 – Jul 12
Lettuce – May 1 – 22 Jun 28 – Jul 12
Radishes – May 1 – Jun 12 Jul 12 – 26
Onions – May 1 – 15 –
Potatoes Season usually too short. Try a quick variety or row covers.
Carrots – May 8 – 29 May 31 – Jun 14
Beets – May 1 – 15 Jun 14 – 28
Kale Mar 20 – Apr 3 May 1 – 15 Jun 14 – 28
Broccoli Mar 20 – Apr 3 May 15 – 29 Jun 14 – 28
Cabbage Mar 6 – 20 May 1 – 15 Jun 14 – 28
Garlic – – Jul 12 – Aug 2
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 11 – Jul 2 –
Zucchini – Jun 11 – Jul 9 –
Pumpkins Season usually too short. Try a quick variety or row covers.
Green beans – Jun 11 – 14 –
Sweet corn Season usually too short. Try a quick variety or row covers.
Basil May 7 – 21 Jun 18 – 25 –

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 11May 29May 18
Fall frost before August 8August 23September 4

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 (May 31 in a late year), and the first one in fall around September 3.

Towns that use these dates

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

Eagle

Where these dates come from

NOAA weather station EAGLE, AK US (USC00502607), 1991–2020 climate normals. It's the nearest station for 2 zip codes, all within 53 miles:

99732, 99738

2 of these zip codes are more than 30 miles from the station, so their real frost dates may differ by a week or more.

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