When to plant in Quincy, WA
Planting dates worked out from Quincy's own frost records, not a generic zone chart.
Safe to plant out
May 10
1 year in 10 has a later frost
Average last frost
Apr 25
about a 50% chance of a later one
Average first fall frost
Oct 19
1 year in 10 by Oct 4
Frost-free days
174
median, 1991–2020
Station used: Quincy · 1.2 km away · station 392 m, town 397 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 15 – Mar 29 | May 10 – May 24 | Jul 4 |
| Sweet pepper | Mar 1 – Mar 15 | May 10 – May 24 | Jul 9 |
| Lettuce (leaf) | Feb 21 – Feb 28 | Mar 28 – Apr 11 | May 7 |
| Peas | — | Mar 15 – Apr 12 | May 9 |
| Bush beans | — | May 3 – May 24 | Jun 22 |
| Carrot | — | Apr 4 – May 16 | Jun 3 |
| Beet | — | Mar 28 – May 9 | May 17 |
| Potato | — | Apr 4 – Apr 25 | Jun 13 |
| Kale | Feb 14 – Feb 28 | Mar 28 – Apr 11 | May 10 |
| Broccoli | Feb 14 – Feb 28 | Mar 28 – Apr 18 | May 27 |
| Cucumber | Apr 12 – Apr 19 | May 10 – May 24 | Jun 29 |
| Summer squash and zucchini | Apr 12 – Apr 19 | May 10 – May 24 | Jun 24 |
| Winter squash | Apr 12 – Apr 19 | May 10 – May 24 | Jul 29 |
| Sweet corn | — | May 3 – May 24 | Jul 2 |
| Onion (from sets) | — | Mar 28 – Apr 18 | Jun 26 |
| Garlic | — | Oct 3 – Oct 31 (fall) | following summer |
| Spinach | — | Mar 15 – Apr 12 | Apr 22 |
| Basil | Mar 29 – Apr 12 | May 10 – May 24 | Jul 6 |
Quincy'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 |
|---|---|
| 1941 | Apr 14 |
| 1942 | May 2 |
| 1943 | May 6 |
| 1944 | May 10 |
| 1945 | Apr 16 |
| 1946 | May 10 |
| 1947 | Apr 30 |
| 1948 | May 4 |
| 1949 | May 4 |
| 1950 | May 5 |
| 1951 | Apr 22 |
| 1952 | May 1 |
| 1953 | May 22 |
| 1954 | May 2 |
| 1955 | May 1 |
| 1956 | May 11 |
| 1957 | Apr 13 |
| 1958 | Apr 25 |
| 1959 | May 5 |
| 1960 | May 22 |
| 1961 | Apr 20 |
| 1962 | May 5 |
| 1963 | May 3 |
| 1964 | May 23 |
| 1965 | May 18 |
| 1966 | Apr 26 |
| 1967 | Apr 26 |
| 1968 | May 5 |
| 1969 | Apr 27 |
| 1970 | May 10 |
| 1971 | May 20 |
| 1972 | May 1 |
| 1973 | May 9 |
| 1974 | May 16 |
| 1975 | May 19 |
| 1976 | Apr 23 |
| 1977 | Apr 19 |
| 1978 | Apr 23 |
| 1979 | Apr 21 |
| 1980 | Apr 16 |
| 1981 | May 7 |
| 1982 | May 4 |
| 1983 | Apr 17 |
| 1984 | May 7 |
| 1985 | May 12 |
| 1986 | May 1 |
| 1987 | Apr 20 |
| 1988 | Apr 9 |
| 1989 | Apr 11 |
| 1990 | Mar 27 |
| 1991 | Apr 25 |
| 1992 | May 11 |
| 1993 | Apr 16 |
| 1994 | Mar 25 |
| 1995 | Apr 19 |
| 1996 | May 8 |
| 1997 | May 2 |
| 1998 | Apr 24 |
| 1999 | Apr 27 |
| 2000 | Apr 23 |
| 2001 | May 3 |
| 2002 | May 9 |
| 2003 | May 16 |
| 2004 | Apr 19 |
| 2005 | Apr 15 |
| 2008 | Apr 22 |
| 2009 | Apr 14 |
| 2010 | May 7 |
| 2011 | May 29 |
| 2012 | Apr 28 |
| 2013 | Apr 23 |
| 2014 | Apr 21 |
| 2017 | Apr 16 |
| 2018 | Apr 24 |
| 2019 | Mar 19 |
| 2022 | May 16 |
| 2023 | Apr 20 |
| 2024 | Mar 25 |
| 2025 | Mar 31 |
| 2026 | Mar 31 |
Each year's frost-free daysLong-term trend
See the data as a table
| Year | Frost-free days |
|---|---|
| 1943 | 158 |
| 1944 | 148 |
| 1946 | 140 |
| 1947 | 174 |
| 1948 | 141 |
| 1950 | 148 |
| 1951 | 156 |
| 1953 | 131 |
| 1954 | 151 |
| 1955 | 156 |
| 1956 | 160 |
| 1957 | 158 |
| 1958 | 151 |
| 1959 | 154 |
| 1960 | 139 |
| 1961 | 161 |
| 1962 | 153 |
| 1963 | 168 |
| 1964 | 145 |
| 1966 | 165 |
| 1967 | 160 |
| 1968 | 150 |
| 1969 | 161 |
| 1970 | 125 |
| 1971 | 119 |
| 1972 | 141 |
| 1973 | 145 |
| 1974 | 137 |
| 1975 | 141 |
| 1976 | 174 |
| 1977 | 167 |
| 1978 | 172 |
| 1979 | 193 |
| 1980 | 183 |
| 1981 | 137 |
| 1982 | 153 |
| 1983 | 155 |
| 1984 | 144 |
| 1985 | 138 |
| 1986 | 162 |
| 1987 | 173 |
| 1988 | 201 |
| 1989 | 175 |
| 1990 | 193 |
| 1991 | 179 |
| 1992 | 155 |
| 1993 | 186 |
| 1994 | 213 |
| 1995 | 182 |
| 1996 | 161 |
| 1997 | 171 |
| 1998 | 169 |
| 1999 | 153 |
| 2000 | 152 |
| 2001 | 166 |
| 2002 | 155 |
| 2003 | 161 |
| 2004 | 187 |
| 2005 | 194 |
| 2008 | 182 |
| 2009 | 174 |
| 2010 | 162 |
| 2011 | 149 |
| 2013 | 174 |
| 2014 | 200 |
| 2017 | 197 |
| 2018 | 196 |
| 2019 | 196 |
| 2022 | 161 |
| 2023 | 190 |
| 2024 | 211 |
| 2025 | 197 |
Each year's average temperature, April to SeptemberLong-term trend
See the data as a table
| Year | Growing-season temperature |
|---|---|
| 1941 | 18.6 °C |
| 1942 | 19.1 °C |
| 1943 | 18.6 °C |
| 1944 | 19.1 °C |
| 1946 | 18.5 °C |
| 1947 | 18.4 °C |
| 1948 | 16.6 °C |
| 1950 | 17.1 °C |
| 1951 | 18.0 °C |
| 1953 | 16.6 °C |
| 1954 | 16.5 °C |
| 1955 | 16.4 °C |
| 1956 | 18.1 °C |
| 1957 | 17.9 °C |
| 1958 | 19.1 °C |
| 1959 | 16.4 °C |
| 1960 | 16.9 °C |
| 1962 | 17.2 °C |
| 1963 | 17.4 °C |
| 1964 | 15.8 °C |
| 1966 | 16.7 °C |
| 1967 | 17.4 °C |
| 1968 | 16.3 °C |
| 1969 | 17.3 °C |
| 1970 | 17.2 °C |
| 1971 | 17.0 °C |
| 1972 | 16.8 °C |
| 1973 | 17.8 °C |
| 1974 | 17.4 °C |
| 1975 | 17.2 °C |
| 1976 | 16.9 °C |
| 1977 | 17.8 °C |
| 1978 | 17.2 °C |
| 1979 | 18.2 °C |
| 1980 | 17.1 °C |
| 1981 | 16.5 °C |
| 1985 | 17.4 °C |
| 1986 | 17.9 °C |
| 1987 | 18.1 °C |
| 1988 | 17.0 °C |
| 1989 | 17.6 °C |
| 1990 | 18.5 °C |
| 1991 | 17.7 °C |
| 1992 | 18.1 °C |
| 1993 | 17.0 °C |
| 1997 | 17.1 °C |
| 1999 | 16.7 °C |
| 2000 | 17.7 °C |
| 2001 | 18.0 °C |
| 2002 | 17.6 °C |
| 2003 | 18.2 °C |
| 2004 | 18.3 °C |
| 2005 | 17.9 °C |
| 2011 | 16.7 °C |
| 2012 | 17.5 °C |
| 2013 | 18.9 °C |
| 2014 | 18.8 °C |
| 2017 | 18.5 °C |
| 2018 | 17.9 °C |
| 2019 | 18.1 °C |
| 2022 | 17.9 °C |
| 2023 | 19.3 °C |
| 2024 | 18.7 °C |
| 2025 | 19.7 °C |
What this means for you: Since 1941, Quincy's last spring frost has come about 2 days earlier per decade, on average. The frost-free season has grown by about 5 days per decade. Year-to-year swings are large, so keep using the safe date rather than the trend.
Source: daily records from Quincy (NOAA GHCN-Daily). Years with too many missing days are left out.