Frost Report

All states Utah

Frost dates for Lytle Rch, UT

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

March 18

typical year

Safe to plant

April 16

frost is over in 9 of 10 years

First fall frost

November 9

typical year

Growing season

234 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 – Feb 18 – Mar 4 –
Spinach – Feb 4 – 25 Sep 14 – 28
Lettuce – Feb 18 – Mar 11 Sep 14 – 28
Radishes – Feb 18 – Apr 1 Sep 28 – Oct 12
Onions – Feb 18 – Mar 4 –
Potatoes – Feb 25 – Mar 11 –
Carrots – Feb 25 – Mar 18 Aug 17 – 31
Beets – Feb 18 – Mar 4 Aug 31 – Sep 14
Kale Jan 7 – 21 Feb 18 – Mar 4 Aug 31 – Sep 14
Broccoli Jan 7 – 21 Mar 4 – 18 Aug 31 – Sep 14
Cabbage Dec 24 – Jan 7 Feb 18 – Mar 4 Aug 31 – Sep 14
Garlic – – Sep 28 – Oct 19
Warm-season crops
Tomatoes Feb 19 – Mar 5 Apr 16 – 30 –
Peppers Feb 12 – 26 Apr 23 – May 7 –
Cucumbers – Apr 16 – May 7 –
Zucchini – Apr 16 – May 14 –
Pumpkins – Apr 16 – May 7 –
Green beans – Apr 16 – Aug 31 –
Sweet corn – Apr 16 – May 14 –
Basil Mar 12 – 26 Apr 23 – 30 –

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 April 16March 18February 23
Fall frost before October 22November 9November 27

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 February 24 (March 22 in a late year), and the first one in fall around November 23.

Where these dates come from

NOAA weather station LYTLE RCH, UT US (USC00425252), 1991–2020 climate normals. It's the nearest station for 1 zip code, all within 13 miles:

84765

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