When to plant in Johnsonburg, PA
Planting dates worked out from Johnsonburg's own frost records, not a generic zone chart.
Safe to plant out
May 22
1 year in 10 has a later frost
Average last frost
May 8
about a 50% chance of a later one
Average first fall frost
Oct 12
1 year in 10 by Oct 1
Frost-free days
156
median, 1991–2020
Station used: Dubois Rgnl Ap · 32.6 km away · station 550 m, town 563 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 27 – Apr 10 | May 22 – Jun 5 | Jul 16 |
| Sweet pepper | Mar 13 – Mar 27 | May 22 – Jun 5 | Jul 21 |
| Lettuce (leaf) | Mar 6 – Mar 13 | Apr 10 – Apr 24 | May 20 |
| Peas | — | Apr 4 – May 2 | May 29 |
| Bush beans | — | May 15 – Jun 5 | Jul 4 |
| Carrot | — | Apr 17 – May 29 | Jun 16 |
| Beet | — | Apr 13 – May 25 | Jun 2 |
| Potato | — | Apr 17 – May 8 | Jun 26 |
| Kale | Feb 28 – Mar 14 | Apr 11 – Apr 25 | May 24 |
| Broccoli | Feb 27 – Mar 13 | Apr 10 – May 1 | Jun 9 |
| Cucumber | Apr 24 – May 1 | May 22 – Jun 5 | Jul 11 |
| Summer squash and zucchini | Apr 24 – May 1 | May 22 – Jun 5 | Jul 6 |
| Winter squash | Apr 24 – May 1 | May 22 – Jun 5 | Aug 10 |
| Sweet corn | — | May 15 – Jun 5 | Jul 14 |
| Onion (from sets) | — | Apr 10 – May 1 | Jul 9 |
| Garlic | — | Sep 28 – Oct 26 (fall) | following summer |
| Spinach | — | Apr 4 – May 2 | May 12 |
| Basil | Apr 10 – Apr 24 | May 22 – Jun 5 | Jul 18 |
Johnsonburg'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 |
|---|---|
| 1963 | May 24 |
| 1964 | Apr 16 |
| 1965 | Apr 24 |
| 1966 | Jun 1 |
| 1967 | May 23 |
| 1968 | May 7 |
| 1969 | Apr 25 |
| 1970 | May 7 |
| 1971 | May 4 |
| 1972 | Apr 28 |
| 1973 | May 19 |
| 1974 | May 8 |
| 1975 | Apr 27 |
| 1976 | May 13 |
| 1977 | Apr 30 |
| 1978 | May 3 |
| 1979 | Apr 30 |
| 1980 | Apr 26 |
| 1981 | May 7 |
| 1982 | Apr 28 |
| 1983 | May 17 |
| 1984 | May 16 |
| 1985 | May 4 |
| 1986 | May 4 |
| 1987 | May 1 |
| 1989 | May 8 |
| 1990 | May 12 |
| 1991 | Apr 12 |
| 1992 | May 25 |
| 1993 | May 21 |
| 1994 | May 13 |
| 1995 | Apr 26 |
| 1996 | May 14 |
| 2001 | May 31 |
| 2002 | May 22 |
| 2003 | Apr 27 |
| 2004 | May 4 |
| 2005 | May 17 |
| 2006 | May 23 |
| 2007 | Apr 16 |
| 2008 | May 5 |
| 2009 | May 19 |
| 2010 | May 10 |
| 2011 | May 5 |
| 2012 | Apr 29 |
| 2013 | May 14 |
| 2014 | Apr 24 |
| 2015 | Apr 25 |
| 2016 | May 16 |
| 2017 | May 9 |
| 2018 | Apr 30 |
| 2019 | Apr 29 |
| 2020 | May 13 |
| 2021 | May 9 |
| 2022 | Apr 29 |
| 2023 | Apr 25 |
| 2024 | Apr 22 |
Each year's frost-free daysLong-term trend
See the data as a table
| Year | Frost-free days |
|---|---|
| 1963 | 122 |
| 1964 | 171 |
| 1965 | 156 |
| 1966 | 123 |
| 1967 | 142 |
| 1968 | 151 |
| 1969 | 172 |
| 1970 | 161 |
| 1971 | 183 |
| 1972 | 164 |
| 1973 | 122 |
| 1974 | 138 |
| 1975 | 158 |
| 1976 | 157 |
| 1977 | 166 |
| 1978 | 164 |
| 1979 | 165 |
| 1980 | 161 |
| 1981 | 154 |
| 1982 | 171 |
| 1983 | 164 |
| 1984 | 169 |
| 1985 | 165 |
| 1986 | 154 |
| 1987 | 155 |
| 1989 | 154 |
| 1990 | 159 |
| 1992 | 121 |
| 1993 | 131 |
| 1994 | 143 |
| 1995 | 173 |
| 1996 | 141 |
| 2001 | 128 |
| 2002 | 138 |
| 2003 | 157 |
| 2004 | 153 |
| 2005 | 163 |
| 2006 | 141 |
| 2007 | 195 |
| 2008 | 154 |
| 2009 | 145 |
| 2010 | 155 |
| 2011 | 170 |
| 2012 | 164 |
| 2013 | 162 |
| 2014 | 170 |
| 2015 | 175 |
| 2016 | 150 |
| 2017 | 160 |
| 2018 | 168 |
| 2019 | 166 |
| 2020 | 156 |
| 2021 | 176 |
| 2022 | 173 |
| 2023 | 180 |
| 2024 | 185 |
Each year's average temperature, April to SeptemberLong-term trend
See the data as a table
| Year | Growing-season temperature |
|---|---|
| 1963 | 15.1 °C |
| 1964 | 15.9 °C |
| 1965 | 16.0 °C |
| 1966 | 15.4 °C |
| 1967 | 15.2 °C |
| 1968 | 16.2 °C |
| 1969 | 16.6 °C |
| 1970 | 16.9 °C |
| 1971 | 15.8 °C |
| 1972 | 15.6 °C |
| 1973 | 16.3 °C |
| 1974 | 15.6 °C |
| 1975 | 15.8 °C |
| 1976 | 15.5 °C |
| 1977 | 17.1 °C |
| 1978 | 16.4 °C |
| 1979 | 16.1 °C |
| 1980 | 16.4 °C |
| 1981 | 16.1 °C |
| 1982 | 15.8 °C |
| 1983 | 16.2 °C |
| 1984 | 15.7 °C |
| 1985 | 16.6 °C |
| 1986 | 16.5 °C |
| 1987 | 17.1 °C |
| 1988 | 16.9 °C |
| 1989 | 15.9 °C |
| 1990 | 15.8 °C |
| 1992 | 14.5 °C |
| 1993 | 15.7 °C |
| 1994 | 15.4 °C |
| 1995 | 16.0 °C |
| 1996 | 15.2 °C |
| 2001 | 16.0 °C |
| 2002 | 16.4 °C |
| 2003 | 15.4 °C |
| 2004 | 15.9 °C |
| 2005 | 16.8 °C |
| 2006 | 15.9 °C |
| 2007 | 16.3 °C |
| 2008 | 16.1 °C |
| 2009 | 15.6 °C |
| 2010 | 17.5 °C |
| 2011 | 17.2 °C |
| 2012 | 16.9 °C |
| 2013 | 16.9 °C |
| 2014 | 16.5 °C |
| 2015 | 18.1 °C |
| 2016 | 17.3 °C |
| 2017 | 16.8 °C |
| 2018 | 17.1 °C |
| 2019 | 16.9 °C |
| 2020 | 16.6 °C |
| 2021 | 17.3 °C |
| 2022 | 17.2 °C |
| 2023 | 17.3 °C |
| 2024 | 18.4 °C |
What this means for you: Since 1963, Johnsonburg's last spring frost has stayed at about the same time of year. 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 Dubois Rgnl Ap (NOAA GHCN-Daily). Years with too many missing days are left out.