When to plant in Pymatuning Central, PA
Planting dates worked out from Pymatuning Central's own frost records, not a generic zone chart.
Safe to plant out
May 18
1 year in 10 has a later frost
Average last frost
May 4
about a 50% chance of a later one
Average first fall frost
Oct 19
1 year in 10 by Oct 6
Frost-free days
170
median, 1991–2020
Station used: Linesville 1 S · 8.1 km away · station 314 m, town 339 m. How we match towns to stations
This season
Plan your garden.
Planting dates for common crops
| Crop | Start indoors | Plant out or sow | Harvest from |
|---|---|---|---|
| Tomato | Mar 23 – Apr 6 | May 18 – Jun 1 | Jul 12 |
| Sweet pepper | Mar 9 – Mar 23 | May 18 – Jun 1 | Jul 17 |
| Lettuce (leaf) | Mar 2 – Mar 9 | Apr 6 – Apr 20 | May 16 |
| Peas | — | Apr 6 – May 4 | May 31 |
| Bush beans | — | May 11 – Jun 1 | Jun 30 |
| Carrot | — | Apr 16 – May 28 | Jun 15 |
| Beet | — | Apr 16 – May 28 | Jun 5 |
| Potato | — | Apr 16 – May 7 | Jun 25 |
| Kale | Mar 2 – Mar 16 | Apr 13 – Apr 27 | May 26 |
| Broccoli | Feb 23 – Mar 9 | Apr 6 – Apr 27 | Jun 5 |
| Cucumber | Apr 20 – Apr 27 | May 18 – Jun 1 | Jul 7 |
| Summer squash and zucchini | Apr 20 – Apr 27 | May 18 – Jun 1 | Jul 2 |
| Winter squash | Apr 20 – Apr 27 | May 18 – Jun 1 | Aug 6 |
| Sweet corn | — | May 11 – Jun 1 | Jul 10 |
| Onion (from sets) | — | Apr 6 – Apr 27 | Jul 5 |
| Garlic | — | Oct 5 – Nov 2 (fall) | following summer |
| Spinach | — | Apr 6 – May 4 | May 14 |
| Basil | Apr 6 – Apr 20 | May 18 – Jun 1 | Jul 14 |
Pymatuning Central's weather over time
How the growing season has shifted here, year by year, from the station's own records.
Each year's last spring frostLong-term trend
See the data as a table
| Year | Last spring frost |
|---|---|
| 1942 | May 11 |
| 1949 | May 30 |
| 1953 | Apr 24 |
| 1954 | May 23 |
| 1955 | May 18 |
| 1956 | May 25 |
| 1957 | May 17 |
| 1958 | Jun 7 |
| 1959 | May 16 |
| 1983 | May 11 |
| 1984 | May 17 |
| 1985 | Apr 17 |
| 1986 | May 4 |
| 1987 | May 1 |
| 1988 | May 26 |
| 1989 | May 8 |
| 1990 | Apr 19 |
| 1991 | Apr 18 |
| 1992 | Apr 29 |
| 1993 | Apr 28 |
| 1994 | May 13 |
| 1995 | Apr 25 |
| 1996 | May 14 |
| 1997 | May 7 |
| 1998 | Apr 28 |
| 1999 | Apr 26 |
| 2000 | Apr 28 |
| 2001 | Apr 29 |
| 2002 | May 22 |
| 2003 | Apr 27 |
| 2004 | May 4 |
| 2005 | May 5 |
| 2006 | May 23 |
| 2007 | Apr 21 |
| 2008 | Apr 30 |
| 2009 | May 18 |
| 2010 | May 11 |
| 2011 | Apr 30 |
| 2012 | Apr 29 |
| 2013 | May 25 |
| 2014 | May 5 |
| 2015 | Apr 26 |
| 2016 | Apr 24 |
| 2017 | May 9 |
| 2018 | May 1 |
| 2019 | Apr 29 |
| 2020 | May 13 |
Each year's frost-free daysLong-term trend
See the data as a table
| Year | Frost-free days |
|---|---|
| 1942 | 105 |
| 1953 | 142 |
| 1954 | 122 |
| 1955 | 136 |
| 1956 | 125 |
| 1957 | 132 |
| 1958 | 116 |
| 1984 | 169 |
| 1985 | 191 |
| 1986 | 158 |
| 1987 | 155 |
| 1988 | 130 |
| 1989 | 139 |
| 1990 | 183 |
| 1992 | 171 |
| 1993 | 165 |
| 1994 | 150 |
| 1995 | 174 |
| 1996 | 150 |
| 1997 | 119 |
| 1998 | 184 |
| 1999 | 163 |
| 2000 | 153 |
| 2001 | 161 |
| 2003 | 158 |
| 2004 | 189 |
| 2005 | 176 |
| 2006 | 159 |
| 2007 | 190 |
| 2008 | 171 |
| 2009 | 148 |
| 2010 | 173 |
| 2011 | 180 |
| 2012 | 162 |
| 2013 | 151 |
| 2014 | 159 |
| 2015 | 175 |
| 2016 | 184 |
| 2017 | 175 |
| 2018 | 170 |
| 2019 | 186 |
| 2020 | 172 |
Each year's average temperature, April to SeptemberLong-term trend
See the data as a table
| Year | Growing-season temperature |
|---|---|
| 1942 | 15.5 °C |
| 1953 | 16.4 °C |
| 1954 | 16.4 °C |
| 1955 | 17.7 °C |
| 1956 | 15.4 °C |
| 1957 | 16.2 °C |
| 1958 | 15.3 °C |
| 1983 | 16.4 °C |
| 1984 | 15.8 °C |
| 1985 | 16.6 °C |
| 1986 | 16.7 °C |
| 1987 | 16.9 °C |
| 1988 | 16.1 °C |
| 1989 | 14.6 °C |
| 1990 | 16.6 °C |
| 1992 | 15.7 °C |
| 1993 | 16.6 °C |
| 1994 | 16.1 °C |
| 1995 | 16.6 °C |
| 1996 | 15.9 °C |
| 1997 | 14.9 °C |
| 1998 | 17.2 °C |
| 1999 | 17.3 °C |
| 2000 | 16.1 °C |
| 2001 | 16.6 °C |
| 2002 | 17.1 °C |
| 2003 | 16.2 °C |
| 2004 | 16.4 °C |
| 2005 | 17.5 °C |
| 2006 | 16.9 °C |
| 2007 | 16.8 °C |
| 2008 | 16.8 °C |
| 2009 | 16.3 °C |
| 2010 | 18.0 °C |
| 2011 | 17.7 °C |
| 2012 | 17.4 °C |
| 2013 | 16.5 °C |
| 2014 | 16.5 °C |
| 2015 | 17.6 °C |
| 2016 | 17.8 °C |
| 2017 | 17.3 °C |
| 2018 | 17.9 °C |
| 2019 | 17.4 °C |
| 2020 | 16.8 °C |
What this means for you: Since 1942, Pymatuning Central's last spring frost has come about 2 days earlier per decade, on average. The frost-free season has grown by about 7 days per decade. Year-to-year swings are large, so keep using the safe date rather than the trend.
Source: daily records from Linesville 1 S (NOAA GHCN-Daily). Years with too many missing days are left out.