Frost Report

All states Colorado

Frost dates for Mesa Verde Np, 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 9

typical year

Safe to plant

May 27

frost is over in 9 of 10 years

First fall frost

October 14

typical year

Growing season

156 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 – Apr 11 – 25 –
Spinach – Mar 28 – Apr 18 Aug 19 – Sep 2
Lettuce – Apr 11 – May 2 Aug 19 – Sep 2
Radishes – Apr 11 – May 23 Sep 2 – 16
Onions – Apr 11 – 25 –
Potatoes – Apr 18 – May 2 –
Carrots – Apr 18 – May 9 Jul 22 – Aug 5
Beets – Apr 11 – 25 Aug 5 – 19
Kale Feb 28 – Mar 14 Apr 11 – 25 Aug 5 – 19
Broccoli Feb 28 – Mar 14 Apr 25 – May 9 Aug 5 – 19
Cabbage Feb 14 – 28 Apr 11 – 25 Aug 5 – 19
Garlic – – Sep 2 – 23
Warm-season crops
Tomatoes Apr 1 – 15 May 27 – Jun 10 –
Peppers Mar 25 – Apr 8 Jun 3 – 17 –
Cucumbers – May 27 – Jun 17 –
Zucchini – May 27 – Jun 24 –
Pumpkins – May 27 – Jun 17 –
Green beans – May 27 – Aug 5 –
Sweet corn – May 27 – Jun 24 –
Basil Apr 22 – May 6 Jun 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 May 27May 9April 24
Fall frost before October 1October 14October 26

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 April 27 (May 13 in a late year), and the first one in fall around October 24.

Where these dates come from

NOAA weather station MESA VERDE NP, CO US (USC00055531), 1991–2020 climate normals. It's the nearest station for 1 zip code, all within 8 miles:

81334

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