Frost Report

All states New York

Frost dates for Corning, NY

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 17

typical year

Safe to plant

May 31

frost is over in 9 of 10 years

First fall frost

October 2

typical year

Growing season

139 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 19 – May 3 –
Spinach – Apr 5 – 26 Aug 7 – 21
Lettuce – Apr 19 – May 10 Aug 7 – 21
Radishes – Apr 19 – May 31 Aug 21 – Sep 4
Onions – Apr 19 – May 3 –
Potatoes – Apr 26 – May 10 –
Carrots – Apr 26 – May 17 Jul 10 – 24
Beets – Apr 19 – May 3 Jul 24 – Aug 7
Kale Mar 8 – 22 Apr 19 – May 3 Jul 24 – Aug 7
Broccoli Mar 8 – 22 May 3 – 17 Jul 24 – Aug 7
Cabbage Feb 22 – Mar 8 Apr 19 – May 3 Jul 24 – Aug 7
Garlic – – Aug 21 – Sep 11
Warm-season crops
Tomatoes Apr 5 – 19 May 31 – Jun 14 –
Peppers Mar 29 – Apr 12 Jun 7 – 21 –
Cucumbers – May 31 – Jun 21 –
Zucchini – May 31 – Jun 28 –
Pumpkins – May 31 – Jun 21 –
Green beans – May 31 – Jul 24 –
Sweet corn – May 31 – Jun 28 –
Basil Apr 26 – May 10 Jun 7 – 14 –

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 31May 17April 30
Fall frost before September 21October 2October 16

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 4 (May 20 in a late year), and the first one in fall around October 13.

Towns that use these dates

This is the nearest NOAA station with frost records for 4 towns.

Corning, Painted Post, South Corning, Riverside

Where these dates come from

NOAA weather station CORNING, NY US (USC00301787), 1991–2020 climate normals. It's the nearest station for 3 zip codes, all within 5 miles:

14827, 14830, 14870

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