When to plant in Scotland, PA

Planting dates worked out from Scotland's own frost records, not a generic zone chart.

Safe to plant out
May 9
1 year in 10 has a later frost
Average last frost
Apr 21
about a 50% chance of a later one
Average first fall frost
Oct 24
1 year in 10 by Oct 6
Frost-free days
189
median, 1991–2020

Station used: Chambersburg 1 Ese · 6.2 km away · station 195 m, town 213 m. How we match towns to stations

This season

Plan your garden.

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Planting dates for common crops

CropStart indoorsPlant out or sowHarvest from
Tomato Mar 14 – Mar 28 May 9 – May 23 Jul 3
Sweet pepper Feb 28 – Mar 14 May 9 – May 23 Jul 8
Lettuce (leaf) Feb 17 – Feb 24 Mar 24 – Apr 7 May 3
Peas — Mar 20 – Apr 17 May 14
Bush beans — May 2 – May 23 Jun 21
Carrot — Mar 31 – May 12 May 30
Beet — Mar 30 – May 11 May 19
Potato — Mar 31 – Apr 21 Jun 9
Kale Feb 13 – Feb 27 Mar 27 – Apr 10 May 9
Broccoli Feb 10 – Feb 24 Mar 24 – Apr 14 May 23
Cucumber Apr 11 – Apr 18 May 9 – May 23 Jun 28
Summer squash and zucchini Apr 11 – Apr 18 May 9 – May 23 Jun 23
Winter squash Apr 11 – Apr 18 May 9 – May 23 Jul 28
Sweet corn — May 2 – May 23 Jul 1
Onion (from sets) — Mar 24 – Apr 14 Jun 22
Garlic — Oct 10 – Nov 7 (fall) following summer
Spinach — Mar 20 – Apr 17 Apr 27
Basil Mar 28 – Apr 11 May 9 – May 23 Jul 5

Plan all 65 crops for Scotland

Scotland's weather over time

How the growing season has shifted here, year by year, from the station's own records.

Apr 1Apr 15May 1May 15 1900191019201930194019501960197019801990200020102020
Each year's last spring frostLong-term trend
See the data as a table
YearLast spring frost
1894Apr 16
1895May 22
1896Apr 10
1897Apr 21
1900May 6
1917Apr 18
1921Apr 20
1922Apr 29
1923May 11
1924May 5
1925May 8
1926May 5
1927May 1
1928May 14
1929May 17
1931May 4
1932Apr 17
1933Apr 28
1934Apr 29
1935Apr 16
1936Apr 25
1937Apr 17
1938Apr 30
1939May 4
1940May 12
1941May 19
1942Apr 23
1943May 2
1945May 2
1946May 8
1947May 11
1948Apr 23
1949Apr 29
1950Apr 22
1951Apr 21
1952Apr 10
1953Apr 22
1954Apr 10
1955Apr 8
1956May 25
1957May 5
1958Apr 9
1959Apr 14
1960May 2
1961May 5
1962May 10
1963May 24
1964Apr 11
1965Apr 17
1966May 11
1967Apr 29
1969Apr 13
1970May 7
1971Apr 27
1972May 11
1973Apr 15
1974May 8
1975Apr 22
1976May 9
1977Apr 29
1978May 1
1979Apr 20
1980Apr 18
1981May 3
1982Apr 23
1983May 10
1984May 17
1985Apr 10
1986May 4
1987Apr 9
1988Apr 26
1989May 4
1990May 12
1991Apr 12
1993Apr 28
1994Apr 23
1995Apr 6
1996May 14
1997May 8
1998Apr 28
1999Apr 25
2000Apr 14
2001Apr 30
2002Apr 24
2003Apr 8
2004Apr 28
2005May 3
2006Apr 10
2007Apr 14
2008Apr 15
2009Apr 16
2010Apr 14
2011Apr 1
2012Apr 13
2013May 14
2014Apr 25
2016Apr 14
2017Apr 10
2018Apr 21
2020May 10
2023Apr 25
2024Mar 26
2025Apr 17

What this means for you: Since 1894, Scotland's last spring frost has come about 1 day earlier per decade, on average. The frost-free season has grown by about 3 days per decade. Year-to-year swings are large, so keep using the safe date rather than the trend.

Source: daily records from Chambersburg 1 Ese (NOAA GHCN-Daily). Years with too many missing days are left out.

Nearby towns