Frost Report

All states New York

Frost dates for Lewiston, 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

April 29

typical year

Safe to plant

May 12

frost is over in 9 of 10 years

First fall frost

October 28

typical year

Growing season

181 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 1 – 15 –
Spinach – Mar 18 – Apr 8 Sep 2 – 16
Lettuce – Apr 1 – 22 Sep 2 – 16
Radishes – Apr 1 – May 13 Sep 16 – 30
Onions – Apr 1 – 15 –
Potatoes – Apr 8 – 22 –
Carrots – Apr 8 – 29 Aug 5 – 19
Beets – Apr 1 – 15 Aug 19 – Sep 2
Kale Feb 18 – Mar 4 Apr 1 – 15 Aug 19 – Sep 2
Broccoli Feb 18 – Mar 4 Apr 15 – 29 Aug 19 – Sep 2
Cabbage Feb 4 – 18 Apr 1 – 15 Aug 19 – Sep 2
Garlic – – Sep 16 – Oct 7
Warm-season crops
Tomatoes Mar 17 – 31 May 12 – 26 –
Peppers Mar 10 – 24 May 19 – Jun 2 –
Cucumbers – May 12 – Jun 2 –
Zucchini – May 12 – Jun 9 –
Pumpkins – May 12 – Jun 2 –
Green beans – May 12 – Aug 19 –
Sweet corn – May 12 – Jun 9 –
Basil Apr 7 – 21 May 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 May 12April 29April 18
Fall frost before October 10October 28November 9

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 18 (May 1 in a late year), and the first one in fall around November 7.

Towns that use these dates

This is the nearest NOAA station with frost records for 3 towns.

Lewiston, Youngstown, Wilson

Where these dates come from

NOAA weather station YOUNGSTOWN 2 E, NY US (USC00309690), 1991–2020 climate normals. It's the nearest station for 3 zip codes, all within 10 miles:

14131, 14172, 14174

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