When to plant in Summit View, WA
Planting dates worked out from Summit View's own frost records, not a generic zone chart.
Safe to plant out
Apr 23
1 year in 10 has a later frost
Average last frost
Apr 10
about a 50% chance of a later one
Average first fall frost
Oct 25
1 year in 10 by Oct 12
Frost-free days
198
median, 1991–2020
Station used: Mcmillin Rsvr · 7.3 km away · station 174 m, town 155 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 17 – Mar 31 | May 12 – May 26 | Jul 6 |
| Sweet pepper | Mar 3 – Mar 17 | May 12 – May 26 | Jul 11 |
| Lettuce (leaf) | Feb 6 – Feb 13 | Mar 13 – Mar 27 | Apr 22 |
| Peas | — | Mar 7 – Apr 4 | May 1 |
| Bush beans | — | May 3 – May 24 | Jun 22 |
| Carrot | — | Apr 5 – May 17 | Jun 4 |
| Beet | — | Apr 5 – May 17 | May 25 |
| Potato | — | Apr 5 – Apr 26 | Jun 14 |
| Kale | Jan 31 – Feb 14 | Mar 14 – Mar 28 | Apr 26 |
| Broccoli | Jan 30 – Feb 13 | Mar 13 – Apr 3 | May 12 |
| Cucumber | Apr 14 – Apr 21 | May 12 – May 26 | Jul 1 |
| Summer squash and zucchini | Apr 14 – Apr 21 | May 12 – May 26 | Jun 26 |
| Winter squash | Apr 14 – Apr 21 | May 12 – May 26 | Jul 31 |
| Sweet corn | — | May 3 – May 24 | Jul 2 |
| Onion (from sets) | — | Mar 13 – Apr 3 | Jun 11 |
| Garlic | — | Oct 4 – Nov 1 (fall) | following summer |
| Spinach | — | Mar 7 – Apr 4 | Apr 14 |
| Basil | Mar 31 – Apr 14 | May 12 – May 26 | Jul 8 |
Summit View'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 | Mar 13 |
| 1942 | Mar 30 |
| 1943 | May 8 |
| 1944 | Apr 1 |
| 1945 | Apr 8 |
| 1946 | May 1 |
| 1947 | Apr 21 |
| 1948 | May 2 |
| 1949 | May 5 |
| 1950 | May 23 |
| 1951 | Apr 24 |
| 1952 | May 5 |
| 1953 | May 31 |
| 1954 | May 28 |
| 1955 | Apr 30 |
| 1956 | Apr 30 |
| 1957 | Apr 20 |
| 1958 | May 13 |
| 1959 | May 5 |
| 1960 | Apr 22 |
| 1961 | Apr 20 |
| 1962 | May 7 |
| 1963 | May 4 |
| 1964 | May 25 |
| 1965 | May 8 |
| 1966 | May 28 |
| 1967 | Apr 24 |
| 1968 | Apr 26 |
| 1969 | May 4 |
| 1970 | May 11 |
| 1971 | May 17 |
| 1972 | May 1 |
| 1973 | May 11 |
| 1974 | May 17 |
| 1975 | Apr 29 |
| 1976 | Jun 3 |
| 1977 | Apr 20 |
| 1978 | Apr 12 |
| 1979 | Mar 22 |
| 1980 | Apr 16 |
| 1981 | Apr 18 |
| 1982 | May 5 |
| 1983 | Apr 25 |
| 1984 | Apr 27 |
| 1985 | May 12 |
| 1986 | May 4 |
| 1987 | Apr 24 |
| 1988 | Apr 9 |
| 1989 | Apr 17 |
| 1990 | Mar 27 |
| 1991 | Apr 12 |
| 1992 | Apr 9 |
| 1993 | Mar 28 |
| 1994 | Mar 26 |
| 1995 | Apr 16 |
| 1996 | Apr 3 |
| 1997 | Apr 11 |
| 1998 | Apr 14 |
| 1999 | Apr 14 |
| 2000 | Apr 24 |
| 2001 | Apr 14 |
| 2002 | Apr 24 |
| 2003 | Apr 5 |
| 2004 | Apr 3 |
| 2005 | Apr 13 |
| 2006 | Mar 25 |
| 2007 | Apr 3 |
| 2008 | Apr 21 |
| 2010 | Apr 10 |
| 2011 | Apr 23 |
| 2012 | Apr 7 |
Each year's frost-free daysLong-term trend
See the data as a table
| Year | Frost-free days |
|---|---|
| 1941 | 250 |
| 1942 | 195 |
| 1943 | 164 |
| 1944 | 222 |
| 1945 | 195 |
| 1946 | 167 |
| 1947 | 204 |
| 1948 | 158 |
| 1949 | 160 |
| 1950 | 130 |
| 1951 | 184 |
| 1952 | 161 |
| 1953 | 143 |
| 1954 | 124 |
| 1955 | 175 |
| 1956 | 180 |
| 1957 | 177 |
| 1958 | 160 |
| 1959 | 177 |
| 1960 | 169 |
| 1961 | 180 |
| 1962 | 161 |
| 1963 | 167 |
| 1964 | 145 |
| 1965 | 198 |
| 1966 | 158 |
| 1967 | 191 |
| 1968 | 158 |
| 1969 | 159 |
| 1970 | 124 |
| 1971 | 152 |
| 1972 | 146 |
| 1973 | 145 |
| 1974 | 140 |
| 1975 | 176 |
| 1976 | 135 |
| 1977 | 196 |
| 1978 | 195 |
| 1979 | 222 |
| 1980 | 175 |
| 1981 | 176 |
| 1982 | 165 |
| 1983 | 155 |
| 1984 | 149 |
| 1985 | 139 |
| 1986 | 189 |
| 1987 | 176 |
| 1988 | 200 |
| 1989 | 180 |
| 1990 | 193 |
| 1991 | 198 |
| 1992 | 188 |
| 1993 | 221 |
| 1994 | 221 |
| 1996 | 199 |
| 1997 | 191 |
| 1998 | 198 |
| 1999 | 184 |
| 2000 | 199 |
| 2001 | 196 |
| 2002 | 170 |
| 2003 | 208 |
| 2004 | 214 |
| 2005 | 215 |
| 2006 | 218 |
| 2007 | 205 |
| 2008 | 172 |
| 2010 | 189 |
| 2012 | 197 |
Each year's average temperature, April to SeptemberLong-term trend
See the data as a table
| Year | Growing-season temperature |
|---|---|
| 1941 | 15.3 °C |
| 1942 | 14.9 °C |
| 1943 | 14.2 °C |
| 1944 | 14.1 °C |
| 1945 | 13.8 °C |
| 1946 | 14.2 °C |
| 1947 | 14.6 °C |
| 1948 | 13.8 °C |
| 1949 | 14.4 °C |
| 1950 | 13.8 °C |
| 1951 | 14.3 °C |
| 1952 | 14.1 °C |
| 1953 | 13.7 °C |
| 1954 | 12.9 °C |
| 1955 | 12.4 °C |
| 1956 | 14.2 °C |
| 1957 | 14.4 °C |
| 1958 | 15.8 °C |
| 1959 | 14.0 °C |
| 1960 | 13.9 °C |
| 1961 | 14.6 °C |
| 1962 | 13.7 °C |
| 1963 | 14.0 °C |
| 1964 | 12.9 °C |
| 1965 | 13.8 °C |
| 1966 | 13.9 °C |
| 1967 | 14.9 °C |
| 1968 | 13.9 °C |
| 1969 | 14.4 °C |
| 1970 | 13.8 °C |
| 1971 | 13.7 °C |
| 1972 | 13.6 °C |
| 1973 | 13.7 °C |
| 1974 | 14.0 °C |
| 1975 | 13.4 °C |
| 1976 | 13.4 °C |
| 1977 | 14.3 °C |
| 1978 | 14.1 °C |
| 1979 | 14.4 °C |
| 1980 | 13.9 °C |
| 1981 | 14.0 °C |
| 1982 | 13.6 °C |
| 1983 | 13.7 °C |
| 1984 | 13.3 °C |
| 1985 | 14.0 °C |
| 1986 | 14.1 °C |
| 1987 | 14.9 °C |
| 1988 | 14.0 °C |
| 1989 | 14.6 °C |
| 1990 | 15.0 °C |
| 1991 | 14.1 °C |
| 1992 | 15.4 °C |
| 1993 | 14.4 °C |
| 1994 | 15.1 °C |
| 1996 | 14.1 °C |
| 1997 | 15.1 °C |
| 1998 | 14.9 °C |
| 1999 | 13.4 °C |
| 2000 | 14.2 °C |
| 2001 | 13.7 °C |
| 2002 | 14.1 °C |
| 2003 | 15.0 °C |
| 2004 | 15.3 °C |
| 2005 | 14.7 °C |
| 2006 | 14.7 °C |
| 2007 | 14.3 °C |
| 2008 | 13.6 °C |
| 2010 | 13.6 °C |
| 2012 | 14.0 °C |
What this means for you: Since 1941, Summit View's last spring frost has come about 3 days earlier per decade, on average. The frost-free season has grown by about 4 days per decade. Year-to-year swings are large, so keep using the safe date rather than the trend.
Source: daily records from Mcmillin Rsvr (NOAA GHCN-Daily). Years with too many missing days are left out.