When to plant in Troy, ME
Planting dates worked out from Troy's own frost records, not a generic zone chart.
Safe to plant out
May 27
1 year in 10 has a later frost
Average last frost
May 15
about a 50% chance of a later one
Average first fall frost
Sep 29
1 year in 10 by Sep 19
Frost-free days
141
median, 1991–2020
Station used: Corinna · 28.3 km away · station 90 m, town 142 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 | Apr 1 – Apr 15 | May 27 – Jun 10 | Jul 21 |
| Sweet pepper | Mar 18 – Apr 1 | May 27 – Jun 10 | Jul 26 |
| Lettuce (leaf) | Mar 14 – Mar 21 | Apr 18 – May 2 | May 28 |
| Peas | — | Apr 18 – May 16 | Jun 12 |
| Bush beans | — | May 20 – Jun 10 | Jul 9 |
| Carrot | — | Apr 26 – Jun 7 | Jun 25 |
| Beet | — | Apr 26 – Jun 7 | Jun 15 |
| Potato | — | Apr 26 – May 17 | Jul 5 |
| Kale | Mar 14 – Mar 28 | Apr 25 – May 9 | Jun 7 |
| Broccoli | Mar 7 – Mar 21 | Apr 18 – May 9 | Jun 17 |
| Cucumber | Apr 29 – May 6 | May 27 – Jun 10 | Jul 16 |
| Summer squash and zucchini | Apr 29 – May 6 | May 27 – Jun 10 | Jul 11 |
| Winter squash | Apr 29 – May 6 | May 27 – Jun 10 | Aug 15 |
| Sweet corn | — | May 20 – Jun 10 | Jul 19 |
| Onion (from sets) | — | Apr 18 – May 9 | Jul 17 |
| Garlic | — | Sep 15 – Oct 13 (fall) | following summer |
| Spinach | — | Apr 18 – May 16 | May 26 |
| Basil | Apr 15 – Apr 29 | May 27 – Jun 10 | Jul 23 |
Troy'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 |
|---|---|
| 1948 | May 16 |
| 1950 | Jun 12 |
| 1951 | May 19 |
| 1952 | May 17 |
| 1953 | May 26 |
| 1954 | May 13 |
| 1955 | May 21 |
| 1956 | Jun 19 |
| 1957 | Jun 9 |
| 1958 | Jun 10 |
| 1959 | May 19 |
| 1960 | May 3 |
| 1961 | May 18 |
| 1962 | May 28 |
| 1963 | May 25 |
| 1964 | Jun 6 |
| 1965 | May 21 |
| 1966 | May 14 |
| 1967 | Jun 1 |
| 1968 | May 29 |
| 1969 | May 27 |
| 1970 | May 29 |
| 1971 | Jun 6 |
| 1972 | May 26 |
| 1973 | May 15 |
| 1974 | May 30 |
| 1976 | May 9 |
| 1977 | May 28 |
| 1978 | May 23 |
| 1979 | May 8 |
| 1980 | May 29 |
| 1981 | May 21 |
| 1982 | May 22 |
| 1983 | May 19 |
| 1984 | May 18 |
| 1985 | May 14 |
| 1986 | May 13 |
| 1987 | May 19 |
| 1988 | May 14 |
| 1989 | Apr 28 |
| 1990 | Jun 12 |
| 1991 | May 19 |
| 1992 | May 27 |
| 1993 | May 14 |
| 1994 | May 28 |
| 1995 | May 11 |
| 1996 | May 27 |
| 1997 | May 24 |
| 1998 | Apr 30 |
| 1999 | May 13 |
| 2000 | May 20 |
| 2001 | May 7 |
| 2002 | May 22 |
| 2003 | May 17 |
| 2004 | May 8 |
| 2005 | May 14 |
| 2006 | May 9 |
| 2009 | May 26 |
| 2010 | May 14 |
| 2011 | May 2 |
| 2012 | May 7 |
| 2013 | May 15 |
| 2014 | May 9 |
| 2015 | May 14 |
| 2016 | May 1 |
| 2017 | May 4 |
| 2018 | May 12 |
| 2019 | May 12 |
| 2020 | Jun 1 |
| 2021 | May 8 |
| 2022 | May 9 |
| 2023 | May 18 |
| 2024 | May 10 |
| 2025 | Apr 24 |
| 2026 | May 15 |
Each year's frost-free daysLong-term trend
See the data as a table
| Year | Frost-free days |
|---|---|
| 1948 | 122 |
| 1950 | 96 |
| 1951 | 130 |
| 1952 | 113 |
| 1953 | 107 |
| 1954 | 146 |
| 1955 | 110 |
| 1956 | 82 |
| 1957 | 92 |
| 1958 | 101 |
| 1960 | 135 |
| 1961 | 121 |
| 1962 | 101 |
| 1963 | 102 |
| 1964 | 98 |
| 1965 | 101 |
| 1966 | 128 |
| 1967 | 116 |
| 1968 | 129 |
| 1969 | 114 |
| 1970 | 125 |
| 1971 | 112 |
| 1972 | 120 |
| 1973 | 128 |
| 1974 | 116 |
| 1976 | 138 |
| 1977 | 116 |
| 1978 | 113 |
| 1979 | 134 |
| 1980 | 117 |
| 1981 | 136 |
| 1982 | 99 |
| 1984 | 110 |
| 1985 | 120 |
| 1986 | 136 |
| 1987 | 128 |
| 1988 | 144 |
| 1990 | 130 |
| 1991 | 125 |
| 1992 | 119 |
| 1993 | 128 |
| 1994 | 126 |
| 1995 | 122 |
| 1996 | 129 |
| 1997 | 120 |
| 1998 | 146 |
| 1999 | 144 |
| 2000 | 129 |
| 2001 | 145 |
| 2002 | 134 |
| 2003 | 141 |
| 2004 | 150 |
| 2005 | 159 |
| 2006 | 149 |
| 2009 | 122 |
| 2010 | 141 |
| 2011 | 156 |
| 2012 | 143 |
| 2013 | 146 |
| 2014 | 132 |
| 2015 | 142 |
| 2016 | 145 |
| 2017 | 149 |
| 2018 | 135 |
| 2019 | 143 |
| 2020 | 109 |
| 2021 | 168 |
| 2022 | 146 |
| 2023 | 158 |
| 2024 | 158 |
| 2025 | 149 |
Each year's average temperature, April to SeptemberLong-term trend
See the data as a table
| Year | Growing-season temperature |
|---|---|
| 1948 | 13.8 °C |
| 1950 | 13.8 °C |
| 1951 | 14.3 °C |
| 1952 | 15.2 °C |
| 1953 | 15.2 °C |
| 1954 | 13.5 °C |
| 1955 | 15.4 °C |
| 1956 | 12.6 °C |
| 1957 | 14.2 °C |
| 1958 | 13.5 °C |
| 1959 | 15.2 °C |
| 1960 | 15.0 °C |
| 1961 | 14.7 °C |
| 1962 | 13.6 °C |
| 1963 | 14.1 °C |
| 1964 | 13.9 °C |
| 1965 | 14.3 °C |
| 1966 | 14.0 °C |
| 1967 | 14.3 °C |
| 1968 | 14.1 °C |
| 1969 | 14.2 °C |
| 1970 | 14.8 °C |
| 1971 | 14.7 °C |
| 1972 | 14.2 °C |
| 1973 | 15.1 °C |
| 1974 | 14.2 °C |
| 1976 | 14.6 °C |
| 1977 | 13.9 °C |
| 1978 | 14.0 °C |
| 1979 | 14.6 °C |
| 1980 | 14.2 °C |
| 1981 | 14.8 °C |
| 1982 | 13.6 °C |
| 1984 | 14.6 °C |
| 1985 | 13.8 °C |
| 1986 | 14.1 °C |
| 1987 | 14.6 °C |
| 1988 | 15.4 °C |
| 1990 | 14.7 °C |
| 1991 | 15.0 °C |
| 1992 | 13.8 °C |
| 1993 | 14.8 °C |
| 1994 | 14.5 °C |
| 1995 | 13.7 °C |
| 1996 | 14.1 °C |
| 1997 | 13.5 °C |
| 1998 | 15.2 °C |
| 1999 | 15.9 °C |
| 2000 | 13.8 °C |
| 2001 | 15.5 °C |
| 2002 | 14.4 °C |
| 2003 | 14.5 °C |
| 2004 | 14.6 °C |
| 2005 | 15.0 °C |
| 2006 | 15.6 °C |
| 2009 | 14.4 °C |
| 2010 | 16.3 °C |
| 2011 | 15.4 °C |
| 2012 | 15.9 °C |
| 2013 | 15.4 °C |
| 2014 | 15.1 °C |
| 2015 | 15.5 °C |
| 2016 | 15.6 °C |
| 2017 | 15.6 °C |
| 2018 | 15.8 °C |
| 2019 | 14.7 °C |
| 2020 | 15.6 °C |
| 2021 | 16.3 °C |
| 2022 | 15.9 °C |
| 2023 | 15.7 °C |
| 2024 | 16.3 °C |
| 2025 | 15.7 °C |
What this means for you: Since 1948, Troy's last spring frost has come about 2 days earlier per decade, on average. The frost-free season has grown by about 6 days per decade. Year-to-year swings are large, so keep using the safe date rather than the trend.
Source: daily records from Corinna (NOAA GHCN-Daily). Years with too many missing days are left out.