When to plant Radishes in Washington
In spring, from Jan 1 – Apr 15 in Anacortes to May 1 – June 15 in Cheney.
In fall, from May 1 – July 15 in Cheney to Sept 1 – Dec 1 in Woodinville.
USDA's earliest safe spring and latest safe fall planting dates, matched to each place's average frost dates.
| Place | Spring | Fall |
|---|---|---|
| Aberdeen | Feb 15 – May 1 | Sept 1 – Nov 15Now |
| Airway Heights | Mar 20 – May 10 | July 15 – Sept 15 |
| Anacortes | Jan 1 – Apr 15 | Sept 1 – Dec 1Now |
| Arlington | Mar 10 – May 10 | Aug 1 – Oct 1 |
| Auburn | Jan 20 – May 1 | Sept 1 – Nov 15Now |
| Bainbridge Island | Feb 15 – May 1 | Sept 1 – Nov 15Now |
| Battle Ground | Mar 20 – May 10 | Aug 1 – Oct 1 |
| Bellevue | Jan 1 – Apr 15 | Sept 1 – Dec 1Now |
| Bellingham | Feb 15 – May 1 | Aug 15 – Oct 15 |
| Bonney Lake | Mar 1 – May 1 | Aug 15 – Oct 15 |
| Bothell | Jan 1 – Apr 15 | Sept 1 – Dec 1Now |
| Bremerton | Feb 15 – May 1 | Sept 1 – Nov 15Now |
| Burien | Jan 1 – Apr 1 | Sept 1 – Dec 1Now |
| Burlington | Jan 20 – May 1 | Aug 15 – Oct 15 |
| Camas | Jan 20 – May 1 | Sept 1 – Dec 1Now |
| Centralia | Mar 10 – May 10 | Aug 15 – Oct 15 |
| Cheney | May 1 – June 15 | May 1 – July 15 |
| Covington | Mar 10 – May 10 | Aug 1 – Oct 1 |
| Des Moines | Jan 1 – Apr 1 | Sept 1 – Dec 1Now |
| East Wenatchee | Feb 15 – May 1 | Aug 15 – Oct 15 |
| Edgewood | Jan 1 – Apr 15 | Sept 1 – Nov 15Now |
| Edmonds | Jan 1 – Apr 15 | Sept 1 – Dec 1Now |
| Ellensburg | Apr 1 – June 1 | July 1 – Sept 1 |
| Enumclaw | Mar 1 – May 1 | Aug 15 – Oct 15 |
| Everett | Jan 20 – May 1 | Aug 15 – Oct 15 |
| Federal Way | Jan 1 – Apr 15 | Sept 1 – Nov 15Now |
| Ferndale | Feb 15 – May 1 | Aug 15 – Oct 15 |
| Fife | Jan 1 – Apr 15 | Sept 1 – Nov 15Now |
| Gig Harbor | Jan 1 – Apr 15 | Sept 1 – Dec 1Now |
| Grandview | Mar 20 – May 10 | July 15 – Sept 15 |
| Issaquah | Jan 1 – Apr 15 | Sept 1 – Dec 1Now |
| Kelso | Mar 1 – May 1 | Sept 1 – Nov 15Now |
| Kenmore | Jan 1 – Apr 15 | Sept 1 – Dec 1Now |
| Kennewick | Feb 15 – May 1 | Aug 15 – Oct 15 |
| Kent | Jan 20 – May 1 | Sept 1 – Nov 15Now |
| Kirkland | Jan 1 – Apr 15 | Sept 1 – Dec 1Now |
| Lacey | Mar 20 – May 10 | July 15 – Sept 15 |
| Lake Forest Park | Jan 1 – Apr 15 | Sept 1 – Dec 1Now |
| Lake Stevens | Jan 20 – May 1 | Aug 15 – Oct 15 |
| Lakewood | Jan 1 – Apr 15 | Sept 1 – Dec 1Now |
| Liberty Lake | Mar 20 – May 10 | July 15 – Sept 15 |
| Longview | Mar 1 – May 1 | Sept 1 – Nov 15Now |
| Lynden | Mar 10 – May 10 | Aug 1 – Oct 1 |
| Lynnwood | Jan 1 – Apr 15 | Sept 1 – Dec 1Now |
| Maple Valley | Mar 10 – May 10 | Aug 1 – Oct 1 |
| Marysville | Jan 20 – May 1 | Aug 15 – Oct 15 |
| Mercer Island | Jan 1 – Apr 15 | Sept 1 – Dec 1Now |
| Mill Creek | Jan 1 – Apr 15 | Sept 1 – Dec 1Now |
| Monroe | Mar 10 – May 10 | Aug 1 – Oct 1 |
| Moses Lake | Mar 20 – May 10 | July 15 – Sept 15 |
| Mount Vernon | Jan 20 – May 1 | Aug 15 – Oct 15 |
| Mountlake Terrace | Jan 1 – Apr 15 | Sept 1 – Dec 1Now |
| Mukilteo | Jan 1 – Apr 15 | Sept 1 – Dec 1Now |
| Newcastle | Jan 1 – Apr 15 | Sept 1 – Dec 1Now |
| Oak Harbor | Jan 1 – Apr 15 | Sept 1 – Nov 15Now |
| Olympia | Mar 20 – May 10 | July 15 – Sept 15 |
| Pasco | Mar 20 – May 10 | July 15 – Sept 15 |
| Port Angeles | Jan 1 – Apr 15 | Sept 1 – Dec 1Now |
| Port Orchard | Feb 15 – May 1 | Sept 1 – Nov 15Now |
| Port Townsend | Jan 1 – Apr 1 | Sept 1 – Dec 31Now |
| Poulsbo | Feb 15 – May 1 | Sept 1 – Nov 15Now |
| Pullman | Apr 1 – June 1 | July 1 – Sept 1 |
| Puyallup | Mar 1 – May 1 | Aug 15 – Oct 15 |
| Redmond | Jan 1 – Apr 15 | Sept 1 – Dec 1Now |
| Renton | Jan 1 – Apr 15 | Sept 1 – Dec 1Now |
| Richland | Mar 1 – May 1 | Aug 1 – Oct 1 |
| Ridgefield | Mar 20 – May 10 | Aug 1 – Oct 1 |
| Sammamish | Feb 15 – May 1 | Sept 1 – Nov 15Now |
| SeaTac | Jan 1 – Apr 1 | Sept 1 – Dec 1Now |
| Seattle | Jan 1 – Apr 15 | Sept 1 – Dec 1Now |
| Sedro-Woolley | Feb 15 – May 1 | Sept 1 – Nov 15Now |
| Shelton | Mar 20 – May 10 | Aug 1 – Oct 1 |
| Shoreline | Jan 1 – Apr 15 | Sept 1 – Dec 1Now |
| Snohomish | Jan 20 – May 1 | Aug 15 – Oct 15 |
| Snoqualmie | Feb 15 – May 1 | Sept 1 – Nov 15Now |
| Spokane | Mar 20 – May 10 | July 15 – Sept 15 |
| Spokane Valley | Mar 20 – May 10 | July 15 – Sept 15 |
| Sumner | Mar 1 – May 1 | Aug 15 – Oct 15 |
| Sunnyside | Mar 20 – May 10 | July 15 – Sept 15 |
| Tacoma | Jan 1 – Apr 15 | Sept 1 – Nov 15Now |
| Tukwila | Jan 1 – Apr 1 | Sept 1 – Dec 1Now |
| Tumwater | Mar 20 – May 10 | July 15 – Sept 15 |
| University Place | Jan 1 – Apr 15 | Sept 1 – Dec 1Now |
| Vancouver | Feb 15 – May 1 | Sept 1 – Nov 15Now |
| Walla Walla | Feb 15 – May 1 | Aug 15 – Oct 15 |
| Washougal | Feb 15 – May 1 | Sept 1 – Dec 1Now |
| Wenatchee | Feb 15 – May 1 | Aug 15 – Oct 15 |
| West Richland | Mar 1 – May 1 | Aug 1 – Oct 1 |
| Woodinville | Jan 1 – Apr 15 | Sept 1 – Dec 1Now |
| Yakima | Mar 1 – May 1 | Aug 1 – Oct 1 |
| Yelm | Mar 20 – May 10 | July 15 – Sept 15 |
Planting dates: USDA Home and Garden Bulletin No. 9 (1967), tables 4 and 5. Frost dates: NOAA U.S. Climate Normals 1991–2020. “—” means the place's frost date is outside the table. The full USDA table for radishes.