Frost Report

All states New York

Frost dates for Niagara Falls, 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 26

typical year

Safe to plant

May 11

frost is over in 9 of 10 years

First fall frost

October 25

typical year

Growing season

179 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 – Mar 29 – Apr 12 –
Spinach – Mar 15 – Apr 5 Aug 30 – Sep 13
Lettuce – Mar 29 – Apr 19 Aug 30 – Sep 13
Radishes – Mar 29 – May 10 Sep 13 – 27
Onions – Mar 29 – Apr 12 –
Potatoes – Apr 5 – 19 –
Carrots – Apr 5 – 26 Aug 2 – 16
Beets – Mar 29 – Apr 12 Aug 16 – 30
Kale Feb 15 – Mar 1 Mar 29 – Apr 12 Aug 16 – 30
Broccoli Feb 15 – Mar 1 Apr 12 – 26 Aug 16 – 30
Cabbage Feb 1 – 15 Mar 29 – Apr 12 Aug 16 – 30
Garlic – – Sep 13 – Oct 4
Warm-season crops
Tomatoes Mar 16 – 30 May 11 – 25 –
Peppers Mar 9 – 23 May 18 – Jun 1 –
Cucumbers – May 11 – Jun 1 –
Zucchini – May 11 – Jun 8 –
Pumpkins – May 11 – Jun 1 –
Green beans – May 11 – Aug 16 –
Sweet corn – May 11 – Jun 8 –
Basil Apr 6 – 20 May 18 – 25 –

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 11April 26April 13
Fall frost before October 7October 25November 7

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 15 (April 30 in a late year), and the first one in fall around November 5.

Towns that use these dates

This is the nearest NOAA station with frost records for 1 town.

Niagara Falls

Where these dates come from

NOAA weather station NIAGARA FALLS, NY US (USC00305840), 1991–2020 climate normals. It's the nearest station for 6 zip codes, all within 5 miles:

14072, 14109, 14301, 14302, 14303, 14305

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