When to plant in Sequim, WA
Planting dates worked out from Sequim's own frost records, not a generic zone chart.
Safe to plant out
May 11
1 year in 10 has a later frost
Average last frost
Apr 26
about a 50% chance of a later one
Average first fall frost
Oct 18
1 year in 10 by Oct 7
Frost-free days
173
median, 1991–2020
Station used: Sequim 2 E · 2.9 km away · station 15 m, town 55 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) | Feb 22 – Mar 1 | Mar 29 – Apr 12 | May 8 |
| Peas | — | Mar 15 – Apr 12 | May 9 |
| Bush beans | — | May 13 – Jun 3 | Jul 2 |
| Carrot | — | Apr 14 – May 26 | Jun 13 |
| Beet | — | Apr 14 – May 26 | Jun 3 |
| Potato | — | Apr 14 – May 5 | Jun 23 |
| Kale | Feb 15 – Mar 1 | Mar 29 – Apr 12 | May 11 |
| Broccoli | Feb 15 – Mar 1 | Mar 29 – Apr 19 | May 28 |
| 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 13 – Jun 3 | Jul 12 |
| Onion (from sets) | — | Mar 29 – Apr 19 | Jun 27 |
| Garlic | — | Sep 27 – Oct 25 (fall) | following summer |
| Spinach | — | Mar 15 – Apr 12 | Apr 22 |
| Basil | Apr 10 – Apr 24 | May 22 – Jun 5 | Jul 18 |
Sequim'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 |
|---|---|
| 1981 | May 5 |
| 1982 | May 4 |
| 1983 | Apr 28 |
| 1984 | May 7 |
| 1985 | May 12 |
| 1986 | May 22 |
| 1987 | May 20 |
| 1988 | May 7 |
| 1989 | Apr 22 |
| 1990 | May 8 |
| 1991 | Apr 30 |
| 1992 | Apr 23 |
| 1993 | Apr 5 |
| 1994 | May 3 |
| 1995 | Apr 18 |
| 1996 | May 8 |
| 1997 | May 2 |
| 1998 | May 22 |
| 1999 | May 10 |
| 2001 | Apr 21 |
| 2002 | May 2 |
| 2003 | May 18 |
| 2004 | Apr 2 |
| 2005 | Apr 13 |
| 2006 | May 1 |
| 2007 | Apr 20 |
| 2008 | May 11 |
| 2009 | Apr 25 |
| 2010 | May 7 |
| 2011 | Apr 30 |
| 2012 | May 11 |
| 2013 | May 1 |
| 2014 | Apr 17 |
| 2015 | May 3 |
| 2016 | Mar 17 |
| 2017 | Apr 16 |
| 2020 | Apr 12 |
| 2021 | Apr 12 |
| 2024 | Apr 18 |
| 2025 | Mar 22 |
| 2026 | Apr 9 |
Each year's frost-free daysLong-term trend
See the data as a table
| Year | Frost-free days |
|---|---|
| 1981 | 151 |
| 1982 | 153 |
| 1983 | 153 |
| 1984 | 139 |
| 1985 | 139 |
| 1986 | 141 |
| 1987 | 142 |
| 1988 | 133 |
| 1989 | 163 |
| 1990 | 151 |
| 1991 | 169 |
| 1992 | 145 |
| 1993 | 209 |
| 1994 | 161 |
| 1995 | 183 |
| 1997 | 171 |
| 1998 | 148 |
| 1999 | 157 |
| 2001 | 158 |
| 2002 | 160 |
| 2003 | 164 |
| 2004 | 202 |
| 2005 | 195 |
| 2006 | 175 |
| 2007 | 187 |
| 2008 | 155 |
| 2009 | 167 |
| 2010 | 161 |
| 2011 | 177 |
| 2012 | 162 |
| 2013 | 179 |
| 2014 | 206 |
| 2015 | 183 |
| 2016 | 207 |
| 2017 | 176 |
| 2020 | 191 |
| 2021 | 181 |
| 2024 | 210 |
| 2025 | 241 |
Each year's average temperature, April to SeptemberLong-term trend
See the data as a table
| Year | Growing-season temperature |
|---|---|
| 1981 | 12.5 °C |
| 1982 | 12.2 °C |
| 1983 | 12.8 °C |
| 1984 | 12.1 °C |
| 1985 | 12.6 °C |
| 1986 | 12.5 °C |
| 1987 | 12.9 °C |
| 1988 | 12.2 °C |
| 1989 | 12.8 °C |
| 1990 | 13.4 °C |
| 1991 | 12.7 °C |
| 1992 | 13.1 °C |
| 1993 | 12.9 °C |
| 1994 | 13.2 °C |
| 1995 | 13.2 °C |
| 1997 | 13.5 °C |
| 1998 | 13.7 °C |
| 1999 | 11.7 °C |
| 2000 | 12.7 °C |
| 2001 | 11.3 °C |
| 2002 | 12.8 °C |
| 2003 | 13.4 °C |
| 2004 | 13.9 °C |
| 2005 | 13.5 °C |
| 2006 | 13.3 °C |
| 2007 | 12.8 °C |
| 2008 | 12.1 °C |
| 2009 | 13.3 °C |
| 2010 | 12.6 °C |
| 2011 | 12.5 °C |
| 2012 | 12.7 °C |
| 2013 | 13.4 °C |
| 2014 | 13.9 °C |
| 2015 | 14.0 °C |
| 2016 | 14.4 °C |
| 2017 | 13.8 °C |
| 2020 | 13.9 °C |
| 2021 | 14.2 °C |
| 2024 | 14.4 °C |
| 2025 | 14.9 °C |
What this means for you: Since 1981, Sequim's last spring frost has come about 6 days earlier per decade, on average. The frost-free season has grown by about 13 days per decade. Year-to-year swings are large, so keep using the safe date rather than the trend.
Source: daily records from Sequim 2 E (NOAA GHCN-Daily). Years with too many missing days are left out.