Frost Report

All states Pennsylvania

Frost dates for Biglerville, PA

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 15

typical year

Safe to plant

May 4

frost is over in 9 of 10 years

First fall frost

October 27

typical year

Growing season

194 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 18 – Apr 1 –
Spinach – Mar 4 – 25 Sep 1 – 15
Lettuce – Mar 18 – Apr 8 Sep 1 – 15
Radishes – Mar 18 – Apr 29 Sep 15 – 29
Onions – Mar 18 – Apr 1 –
Potatoes – Mar 25 – Apr 8 –
Carrots – Mar 25 – Apr 15 Aug 4 – 18
Beets – Mar 18 – Apr 1 Aug 18 – Sep 1
Kale Feb 4 – 18 Mar 18 – Apr 1 Aug 18 – Sep 1
Broccoli Feb 4 – 18 Apr 1 – 15 Aug 18 – Sep 1
Cabbage Jan 21 – Feb 4 Mar 18 – Apr 1 Aug 18 – Sep 1
Garlic – – Sep 15 – Oct 6
Warm-season crops
Tomatoes Mar 9 – 23 May 4 – 18 –
Peppers Mar 2 – 16 May 11 – 25 –
Cucumbers – May 4 – 25 –
Zucchini – May 4 – Jun 1 –
Pumpkins – May 4 – 25 –
Green beans – May 4 – Aug 18 –
Sweet corn – May 4 – Jun 1 –
Basil Mar 30 – Apr 13 May 11 – 18 –

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 4April 15April 1
Fall frost before October 11October 27November 10

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 3 (April 17 in a late year), and the first one in fall around November 8.

Towns that use these dates

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

Biglerville, Arendtsville, Bendersville, York Springs

Where these dates come from

NOAA weather station BIGLERVILLE, PA US (USC00360656), 1991–2020 climate normals. It's the nearest station for 7 zip codes, all within 9 miles:

17065, 17303, 17304, 17306, 17307, 17324, 17372

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