When to plant in Deer Park, WA
Planting dates worked out from Deer Park's own frost records, not a generic zone chart.
Safe to plant out
Jun 13
1 year in 10 has a later frost
Average last frost
May 27
about a 50% chance of a later one
Average first fall frost
Sep 9
1 year in 10 by Aug 29
Frost-free days
103
median, 1991–2020
Station used: Deer Park Ap · 4.2 km away · station 672 m, town 647 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 18 – May 2 | Jun 13 – Jun 27 | Aug 7 |
| Sweet pepper | Apr 4 – Apr 18 | Jun 13 – Jun 27 | Aug 12 |
| Lettuce (leaf) | Mar 25 – Apr 1 | Apr 29 – May 13 | Jun 8 |
| Peas | — | Apr 15 – May 13 | Jun 9 |
| Bush beans | — | Jun 6 – Jun 27 | Jul 26 |
| Carrot | — | May 6 – Jun 17 | Jul 5 |
| Beet | — | Apr 29 – Jun 10 | Jun 18 |
| Potato | — | May 6 – May 27 | Jul 15 |
| Kale | Mar 18 – Apr 1 | Apr 29 – May 13 | Jun 11 |
| Broccoli | Mar 18 – Apr 1 | Apr 29 – May 20 | Jun 28 |
| Cucumber | May 16 – May 23 | Jun 13 – Jun 27 | Aug 2 |
| Summer squash and zucchini | May 16 – May 23 | Jun 13 – Jun 27 | Jul 28 |
| Winter squash Season likely too short |
May 16 – May 23 | Jun 13 – Jun 27 | Sep 1 |
| Sweet corn | — | Jun 6 – Jun 27 | Aug 5 |
| Onion (from sets) | — | Apr 29 – May 20 | Jul 28 |
| Garlic | — | Aug 26 – Sep 23 (fall) | following summer |
| Spinach | — | Apr 15 – May 13 | May 23 |
| Basil | May 2 – May 16 | Jun 13 – Jun 27 | Aug 9 |
Deer Park'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 |
|---|---|
| 1999 | Jun 10 |
| 2000 | May 8 |
| 2001 | May 30 |
| 2002 | Jun 7 |
| 2003 | May 19 |
| 2004 | Jun 15 |
| 2005 | Apr 30 |
| 2006 | May 13 |
| 2007 | May 29 |
| 2008 | Jul 11 |
| 2009 | May 21 |
| 2010 | May 24 |
| 2011 | Jun 9 |
| 2012 | Jun 9 |
| 2013 | May 25 |
| 2014 | May 13 |
| 2015 | Jun 13 |
| 2016 | May 30 |
| 2017 | May 15 |
| 2018 | Jun 12 |
| 2019 | May 4 |
| 2020 | May 8 |
| 2021 | Jun 7 |
| 2022 | May 22 |
| 2023 | Apr 28 |
| 2024 | Jun 15 |
Each year's frost-free daysLong-term trend
See the data as a table
| Year | Frost-free days |
|---|---|
| 1999 | 82 |
| 2000 | 103 |
| 2001 | 98 |
| 2002 | 105 |
| 2003 | 116 |
| 2004 | 96 |
| 2005 | 127 |
| 2006 | 78 |
| 2007 | 103 |
| 2008 | 51 |
| 2009 | 109 |
| 2010 | 96 |
| 2011 | 103 |
| 2012 | 93 |
| 2013 | 124 |
| 2014 | 120 |
| 2015 | 94 |
| 2016 | 101 |
| 2017 | 123 |
| 2018 | 96 |
| 2019 | 145 |
| 2020 | 122 |
| 2021 | 100 |
| 2022 | 117 |
| 2023 | 166 |
| 2024 | 97 |
Each year's average temperature, April to SeptemberLong-term trend
See the data as a table
| Year | Growing-season temperature |
|---|---|
| 1999 | 13.2 °C |
| 2000 | 13.4 °C |
| 2001 | 13.9 °C |
| 2002 | 14.0 °C |
| 2003 | 14.7 °C |
| 2004 | 14.8 °C |
| 2005 | 13.7 °C |
| 2006 | 14.6 °C |
| 2007 | 14.0 °C |
| 2008 | 13.2 °C |
| 2009 | 14.4 °C |
| 2010 | 13.2 °C |
| 2011 | 12.8 °C |
| 2012 | 14.5 °C |
| 2013 | 14.9 °C |
| 2014 | 15.1 °C |
| 2015 | 15.5 °C |
| 2016 | 15.1 °C |
| 2017 | 14.9 °C |
| 2018 | 14.7 °C |
| 2019 | 14.6 °C |
| 2020 | 14.3 °C |
| 2021 | 15.8 °C |
| 2022 | 14.8 °C |
| 2023 | 15.9 °C |
| 2024 | 15.3 °C |
What this means for you: This station's record is too short to show a reliable trend yet.
Source: daily records from Deer Park Ap (NOAA GHCN-Daily). Years with too many missing days are left out.