Frost Report

All states Colorado

Frost dates for Salida, CO

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 12

frost is over in 9 of 10 years

First fall frost

September 20

typical year

Growing season

112 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 Jul 26 – Aug 9
Lettuce – May 1 – 22 Jul 26 – Aug 9
Radishes – May 1 – Jun 12 Aug 9 – 23
Onions – May 1 – 15 –
Potatoes – May 8 – 22 –
Carrots – May 8 – 29 Jun 28 – Jul 12
Beets – May 1 – 15 Jul 12 – 26
Kale Mar 20 – Apr 3 May 1 – 15 Jul 12 – 26
Broccoli Mar 20 – Apr 3 May 15 – 29 Jul 12 – 26
Cabbage Mar 6 – 20 May 1 – 15 Jul 12 – 26
Garlic – – Aug 9 – 30
Warm-season crops
Tomatoes Apr 17 – May 1 Jun 12 – 26 –
Peppers Apr 10 – 24 Jun 19 – Jul 3 –
Cucumbers – Jun 12 – Jul 3 –
Zucchini – Jun 12 – Jul 10 –
Pumpkins – Jun 12 – Jul 3 –
Green beans – Jun 12 – Jul 12 –
Sweet corn – Jun 12 – Jul 10 –
Basil May 8 – 22 Jun 19 – 26 –

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 12May 29May 15
Fall frost before September 8September 20September 30

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 (May 31 in a late year), and the first one in fall around September 29.

Towns that use these dates

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

Salida, Poncha Springs

Where these dates come from

NOAA weather station SALIDA, CO US (USC00057370), 1991–2020 climate normals. It's the nearest station for 5 zip codes, all within 16 miles:

81201, 81222, 81227, 81233, 81242

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