Frost Report

All states Massachusetts

Frost dates for Leverett #2, MA

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 2

typical year

Safe to plant

May 16

frost is over in 9 of 10 years

First fall frost

October 9

typical year

Growing season

160 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 4 – 18 –
Spinach – Mar 21 – Apr 11 Aug 14 – 28
Lettuce – Apr 4 – 25 Aug 14 – 28
Radishes – Apr 4 – May 16 Aug 28 – Sep 11
Onions – Apr 4 – 18 –
Potatoes – Apr 11 – 25 –
Carrots – Apr 11 – May 2 Jul 17 – 31
Beets – Apr 4 – 18 Jul 31 – Aug 14
Kale Feb 21 – Mar 7 Apr 4 – 18 Jul 31 – Aug 14
Broccoli Feb 21 – Mar 7 Apr 18 – May 2 Jul 31 – Aug 14
Cabbage Feb 7 – 21 Apr 4 – 18 Jul 31 – Aug 14
Garlic – – Aug 28 – Sep 18
Warm-season crops
Tomatoes Mar 21 – Apr 4 May 16 – 30 –
Peppers Mar 14 – 28 May 23 – Jun 6 –
Cucumbers – May 16 – Jun 6 –
Zucchini – May 16 – Jun 13 –
Pumpkins – May 16 – Jun 6 –
Green beans – May 16 – Jul 31 –
Sweet corn – May 16 – Jun 13 –
Basil Apr 11 – 25 May 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 May 16May 2April 21
Fall frost before September 29October 9October 25

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 21 (May 4 in a late year), and the first one in fall around October 23.

Where these dates come from

NOAA weather station LEVERETT #2, MA US (USC00194154), 1991–2020 climate normals. It's the nearest station for 5 zip codes, all within 6 miles:

01054, 01072, 01093, 01373, 01375

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