Frost Report

All states Maryland

Frost dates for Queenstown, MD

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

March 29

typical year

Safe to plant

April 8

frost is over in 9 of 10 years

First fall frost

November 12

typical year

Growing season

228 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 1 – 15 –
Spinach – Feb 15 – Mar 8 Sep 17 – Oct 1
Lettuce – Mar 1 – 22 Sep 17 – Oct 1
Radishes – Mar 1 – Apr 12 Oct 1 – 15
Onions – Mar 1 – 15 –
Potatoes – Mar 8 – 22 –
Carrots – Mar 8 – 29 Aug 20 – Sep 3
Beets – Mar 1 – 15 Sep 3 – 17
Kale Jan 18 – Feb 1 Mar 1 – 15 Sep 3 – 17
Broccoli Jan 18 – Feb 1 Mar 15 – 29 Sep 3 – 17
Cabbage Jan 4 – 18 Mar 1 – 15 Sep 3 – 17
Garlic – – Oct 1 – 22
Warm-season crops
Tomatoes Feb 11 – 25 Apr 8 – 22 –
Peppers Feb 4 – 18 Apr 15 – 29 –
Cucumbers – Apr 8 – 29 –
Zucchini – Apr 8 – May 6 –
Pumpkins – Apr 8 – 29 –
Green beans – Apr 8 – Sep 3 –
Sweet corn – Apr 8 – May 6 –
Basil Mar 4 – 18 Apr 15 – 22 –

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 April 8March 29March 15
Fall frost before October 29November 12November 29

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 March 18 (March 31 in a late year), and the first one in fall around November 25.

Towns that use these dates

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

Queenstown

Where these dates come from

NOAA weather station STEVENSVILLE 2SW, MD US (USC00188557), 1991–2020 climate normals. It's the nearest station for 6 zip codes, all within 14 miles:

21619, 21638, 21658, 21661, 21666, 21679

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