When to plant in Durham, NY
Planting dates worked out from Durham's own frost records, not a generic zone chart.
Last spring frost
- Early · riskyApr 239 years in 10 still get a later frost
- TypicalMay 7about half of years get a later frost
- Safe to plant outMay 181 year in 10 gets a later frost
Hardy crops like peas and spinach are timed from the typical date. Wait for the safe date before planting out tomatoes, peppers and squash.
First fall frost
- EarlySep 301 year in 10 has frost by then
- TypicalOct 13about half of years have had frost
- LateOct 279 years in 10 have had frost by then
A typical year has 157 frost-free days. Plan for tender crops to be ripe by the early date.
Station used: Alcove Dam · 21.6 km away · station 191 m, town 235 m. How we match towns to stations
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 5 – Mar 12 | Apr 9 – Apr 23 | May 19 |
| Peas | — | Apr 9 – May 7 | Jun 3 |
| Bush beans | — | May 11 – Jun 1 | Jun 30 |
| Carrot | — | Apr 19 – May 31 | Jun 18 |
| Beet | — | Apr 19 – May 31 | Jun 8 |
| Potato | — | Apr 19 – May 10 | Jun 28 |
| Kale | Mar 5 – Mar 19 | Apr 16 – Apr 30 | May 29 |
| Broccoli | Feb 26 – Mar 12 | Apr 9 – Apr 30 | Jun 8 |
| 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 9 – Apr 30 | Jul 8 |
| Garlic | — | Sep 29 – Oct 27 (fall) | following summer |
| Spinach | — | Apr 9 – May 7 | May 17 |
| Basil | Apr 6 – Apr 20 | May 18 – Jun 1 | Jul 14 |
Durham's weather over time
How the growing season has shifted here, year by year, from the station's own records.
See the data as a table
| Year | Last spring frost |
|---|---|
| 1943 | May 15 |
| 1944 | May 20 |
| 1945 | May 11 |
| 1946 | May 9 |
| 1947 | May 31 |
| 1949 | Apr 30 |
| 1952 | May 17 |
| 1953 | Jun 3 |
| 1955 | Apr 24 |
| 1956 | May 29 |
| 1957 | May 17 |
| 1958 | May 24 |
| 1959 | May 18 |
| 1960 | May 3 |
| 1961 | May 31 |
| 1963 | May 27 |
| 1964 | May 4 |
| 1965 | May 31 |
| 1966 | May 10 |
| 1967 | Jun 2 |
| 1968 | May 27 |
| 1969 | May 28 |
| 1970 | May 29 |
| 1971 | Jun 1 |
| 1972 | May 27 |
| 1973 | Jun 3 |
| 1974 | May 26 |
| 1975 | May 8 |
| 1976 | May 23 |
| 1977 | May 10 |
| 1978 | May 8 |
| 1979 | May 3 |
| 1980 | Jun 12 |
| 1981 | May 20 |
| 1983 | May 18 |
| 1984 | May 18 |
| 1986 | May 10 |
| 1987 | May 16 |
| 1989 | Apr 26 |
| 1991 | Apr 24 |
| 1992 | May 7 |
| 1993 | Apr 29 |
| 1997 | May 29 |
| 1999 | May 13 |
| 2000 | May 16 |
| 2001 | May 8 |
| 2002 | May 22 |
| 2004 | May 5 |
| 2005 | May 13 |
| 2006 | Apr 30 |
| 2007 | May 16 |
| 2008 | May 5 |
| 2009 | May 19 |
| 2010 | May 13 |
| 2011 | Apr 23 |
| 2012 | May 1 |
| 2013 | May 15 |
| 2014 | May 7 |
| 2015 | Apr 26 |
| 2016 | May 10 |
| 2017 | Apr 16 |
| 2018 | Apr 23 |
| 2019 | Apr 29 |
| 2020 | May 14 |
| 2021 | Apr 23 |
| 2022 | May 10 |
| 2023 | May 18 |
| 2024 | Apr 26 |
| 2025 | Apr 22 |
| 2026 | Apr 25 |
See the data as a table
| Year | Frost-free days |
|---|---|
| 1943 | 143 |
| 1944 | 126 |
| 1945 | 141 |
| 1946 | 146 |
| 1947 | 114 |
| 1952 | 143 |
| 1953 | 102 |
| 1955 | 151 |
| 1956 | 103 |
| 1957 | 132 |
| 1958 | 130 |
| 1959 | 122 |
| 1960 | 151 |
| 1961 | 126 |
| 1963 | 109 |
| 1964 | 132 |
| 1965 | 90 |
| 1966 | 145 |
| 1968 | 125 |
| 1969 | 115 |
| 1970 | 129 |
| 1971 | 84 |
| 1972 | 118 |
| 1973 | 109 |
| 1974 | 120 |
| 1975 | 129 |
| 1976 | 102 |
| 1977 | 149 |
| 1978 | 124 |
| 1979 | 139 |
| 1980 | 108 |
| 1981 | 112 |
| 1984 | 111 |
| 1989 | 151 |
| 1991 | 156 |
| 1992 | 146 |
| 1993 | 143 |
| 2000 | 135 |
| 2001 | 153 |
| 2002 | 145 |
| 2004 | 153 |
| 2005 | 160 |
| 2006 | 165 |
| 2007 | 165 |
| 2008 | 165 |
| 2009 | 144 |
| 2010 | 156 |
| 2011 | 187 |
| 2012 | 164 |
| 2013 | 160 |
| 2014 | 157 |
| 2015 | 174 |
| 2016 | 153 |
| 2017 | 198 |
| 2018 | 177 |
| 2019 | 158 |
| 2020 | 156 |
| 2021 | 193 |
| 2022 | 151 |
| 2023 | 165 |
| 2024 | 171 |
See the data as a table
| Year | Growing-season temperature |
|---|---|
| 1943 | 15.8 °C |
| 1944 | 16.5 °C |
| 1945 | 15.9 °C |
| 1946 | 15.3 °C |
| 1947 | 15.7 °C |
| 1949 | 18.5 °C |
| 1952 | 15.7 °C |
| 1953 | 15.6 °C |
| 1955 | 17.2 °C |
| 1956 | 14.9 °C |
| 1957 | 16.5 °C |
| 1958 | 15.5 °C |
| 1959 | 17.3 °C |
| 1960 | 16.2 °C |
| 1961 | 16.3 °C |
| 1962 | 15.7 °C |
| 1963 | 15.2 °C |
| 1964 | 15.8 °C |
| 1965 | 15.1 °C |
| 1966 | 16.3 °C |
| 1968 | 15.2 °C |
| 1969 | 15.0 °C |
| 1970 | 16.4 °C |
| 1971 | 15.3 °C |
| 1972 | 14.2 °C |
| 1973 | 16.2 °C |
| 1974 | 15.5 °C |
| 1975 | 15.2 °C |
| 1976 | 15.2 °C |
| 1977 | 15.7 °C |
| 1978 | 14.8 °C |
| 1979 | 15.7 °C |
| 1980 | 16.2 °C |
| 1981 | 16.3 °C |
| 1983 | 16.4 °C |
| 1984 | 15.9 °C |
| 1985 | 15.8 °C |
| 1986 | 16.0 °C |
| 1989 | 15.3 °C |
| 1991 | 16.4 °C |
| 1993 | 15.7 °C |
| 2000 | 14.7 °C |
| 2001 | 16.0 °C |
| 2002 | 16.3 °C |
| 2004 | 16.0 °C |
| 2005 | 16.7 °C |
| 2006 | 16.1 °C |
| 2007 | 15.8 °C |
| 2008 | 16.6 °C |
| 2009 | 15.8 °C |
| 2010 | 17.4 °C |
| 2011 | 16.6 °C |
| 2012 | 16.7 °C |
| 2013 | 15.7 °C |
| 2014 | 15.4 °C |
| 2015 | 16.5 °C |
| 2016 | 16.5 °C |
| 2017 | 15.9 °C |
| 2018 | 16.4 °C |
| 2019 | 15.6 °C |
| 2020 | 16.1 °C |
| 2021 | 16.2 °C |
| 2022 | 16.5 °C |
| 2023 | 16.0 °C |
| 2024 | 17.5 °C |
| 2026 | 16.4 °C |
What this means for you: Since 1943, Durham's last spring frost has come about 3 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 Alcove Dam (NOAA GHCN-Daily). Years with too many missing days are left out.