Frost Report

All states Vermont

Frost dates for Worcester, VT

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 4

typical year

Safe to plant

May 18

frost is over in 9 of 10 years

First fall frost

October 5

typical year

Growing season

153 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 6 – 20 –
Spinach – Mar 23 – Apr 13 Aug 10 – 24
Lettuce – Apr 6 – 27 Aug 10 – 24
Radishes – Apr 6 – May 18 Aug 24 – Sep 7
Onions – Apr 6 – 20 –
Potatoes – Apr 13 – 27 –
Carrots – Apr 13 – May 4 Jul 13 – 27
Beets – Apr 6 – 20 Jul 27 – Aug 10
Kale Feb 23 – Mar 9 Apr 6 – 20 Jul 27 – Aug 10
Broccoli Feb 23 – Mar 9 Apr 20 – May 4 Jul 27 – Aug 10
Cabbage Feb 9 – 23 Apr 6 – 20 Jul 27 – Aug 10
Garlic – – Aug 24 – Sep 14
Warm-season crops
Tomatoes Mar 23 – Apr 6 May 18 – Jun 1 –
Peppers Mar 16 – 30 May 25 – Jun 8 –
Cucumbers – May 18 – Jun 8 –
Zucchini – May 18 – Jun 15 –
Pumpkins – May 18 – Jun 8 –
Green beans – May 18 – Jul 27 –
Sweet corn – May 18 – Jun 15 –
Basil Apr 13 – 27 May 25 – Jun 1 –

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 18May 4April 23
Fall frost before September 21October 5October 20

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 23 (May 6 in a late year), and the first one in fall around October 19.

Where these dates come from

NOAA weather station WORCESTER 2 W, VT US (USC00439988), 1991–2020 climate normals. It's the nearest station for 6 zip codes, all within 12 miles:

05640, 05648, 05650, 05677, 05681, 05682

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