§ When to plant · Washington · Checked Sept 2026
In Seattle, tender crops like tomatoes and peppers can go out around April 2, and frost has historically passed 9 years in 10 by April 26. Cool-season crops go in from January, and again from July for fall.
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§ 010 · Frost dates
Based on NOAA's 1991–2020 station records, with adjustments for tender crops.
| City · NOAA station | Last frost, on average | Plant tender crops from | Frost is over, 9 of 10 years by | Fall frost possible from |
|---|---|---|---|---|
| AuburnKENT · 13 km | Mar 20 | Apr 10April 10 | Apr 30 | Oct 26 |
| BellevueSEATTLE SAND PT WSFO · 12 km | Mar 8 | Apr 2April 2 | Apr 26 | Nov 4 |
| BellinghamBELLINGHAM 3 SSW · 5 km | Apr 1 | Apr 21April 21 | May 11 | Oct 15 |
| EverettEVERETT · 3 km | Mar 24 | Apr 16April 16 | May 8 | Oct 16 |
| Federal WayTACOMA #1 · 9 km | Mar 8 | Apr 1April 1 | Apr 24 | Oct 30 |
| KennewickKENNEWICK · 6 km | Mar 28 | Apr 14April 14 | Apr 30 | Oct 18 |
| KentKENT · 4 km | Mar 20 | Apr 10April 10 | Apr 30 | Oct 26 |
| KirklandSEATTLE SAND PT WSFO · 4 km | Mar 8 | Apr 2April 2 | Apr 26 | Nov 4 |
| MarysvilleEVERETT · 12 km | Mar 24 | Apr 16April 16 | May 8 | Oct 16 |
| PascoPASCO TRI CITIES AIRPORT · 2 km | Apr 27 | May 10May 10 | May 23 | Sep 28 |
| RedmondSEATTLE SAND PT WSFO · 11 km | Mar 8 | Apr 2April 2 | Apr 26 | Nov 4 |
| RentonRENTON MUNICIPAL AIRPORT · 2 km | Mar 13 | Apr 4April 4 | Apr 25 | Oct 29 |
| SammamishSNOQUALMIE FALLS · 16 km | Mar 30 | Apr 21April 21 | May 13 | Oct 22 |
| SeattleSEATTLE SAND PT WSFO · 10 km | Mar 8 | Apr 2April 2 | Apr 26 | Nov 4 |
| ShorelineSEATTLE SAND PT WSFO · 10 km | Mar 8 | Apr 2April 2 | Apr 26 | Nov 4 |
| SpokaneSPOKANE FELTS FIELD · 9 km | Apr 26 | May 11May 11 | May 25 | Sep 30 |
| Spokane ValleySPOKANE FELTS FIELD · 7 km | Apr 26 | May 11May 11 | May 25 | Sep 30 |
| TacomaTACOMA #1 · 4 km | Mar 8 | Apr 1April 1 | Apr 24 | Oct 30 |
| VancouverVANCOUVER PEARSON AIRPORT · 5 km | Mar 29 | Apr 19April 19 | May 10 | Oct 22 |
| YakimaYAKIMA #2 · 2 km | Apr 8 | Apr 25April 25 | May 12 | Oct 9 |
Washington's 20 largest cities (U.S. Census Bureau 2025 estimates), A to Z, each with its nearest NOAA station and the distance to it. Search any town to get its nearest station. "Plant tender crops from" is halfway between the average last frost and the date frost is over 9 years in 10; if frost is in the forecast after it, wait until it passes and nights stay above 36°F.
§ 020 · What to plant
Planting windows from Washington's Cooperative Extension Service. Filter by season or crop group; every view has its own link.
Link to this view getezina.com/when-to-plant/washington/
§ 030 · Crop by crop
Each crop has its own link, like #tomatoes. Tender crops wait for the frost dates above; succession crops are sown again every few weeks for a steady harvest.
Cynara scolymus
Perennial
Start seed indoors March to April; Set out transplants April.
Source: Washington State University (WSU) Extension — Skagit County Extension Master Gardeners, Western Washington Vegetable Planting Calendar (excerpted from WSU Extension Bulletin EM051E, Home Vegetable Gardening in Washington). Days to harvest: Ezina crop catalog, from state extension guides.
Eruca vesicaria
Cool season
Sow February, and again March to September, and again September to October.
Ready in about 35 days.
Source: Washington State University (WSU) Extension — Skagit County Extension Master Gardeners, Western Washington Vegetable Planting Calendar (excerpted from WSU Extension Bulletin EM051E, Home Vegetable Gardening in Washington). Days to harvest: Ezina crop catalog, from state extension guides.
Asparagus officinalis
Perennial
Start seed indoors February to March; Set out transplants March.
Source: Washington State University (WSU) Extension — Skagit County Extension Master Gardeners, Western Washington Vegetable Planting Calendar (excerpted from WSU Extension Bulletin EM051E, Home Vegetable Gardening in Washington). Days to harvest: Ezina crop catalog, from state extension guides.
Ocimum basilicum
Tender
Start seed indoors April; Set out transplants May.
Ready in about 60 days from seed, 35 from transplants. Tender: in spring, from about April 2 in Seattle. If frost is in the forecast, hold off until it passes and nights stay above 36°F.
Source: Washington State University (WSU) Extension — Skagit County Extension Master Gardeners, Western Washington Vegetable Planting Calendar (excerpted from WSU Extension Bulletin EM051E, Home Vegetable Gardening in Washington). Days to harvest: Ezina crop catalog, from state extension guides.
Beta vulgaris
Cool seasonSuccession sow
Sow April to July.
Ready in about 58 days; sow again every 6 weeks.
Source: Washington State University (WSU) Extension — Skagit County Extension Master Gardeners, Western Washington Vegetable Planting Calendar (excerpted from WSU Extension Bulletin EM051E, Home Vegetable Gardening in Washington). Days to harvest: Ezina crop catalog, from state extension guides.
Brassica rapa
Cool seasonSuccession sow
Start seed indoors March, and again April; Set out transplants July, and again September.
Ready in about 50 days from seed, 40 from transplants; sow again every 4 weeks.
Source: Washington State University (WSU) Extension — Skagit County Extension Master Gardeners, Western Washington Vegetable Planting Calendar (excerpted from WSU Extension Bulletin EM051E, Home Vegetable Gardening in Washington). Days to harvest: Ezina crop catalog, from state extension guides.
Brassica oleracea
Cool season
Start seed indoors March, and again April, and again June, and again August, and again August to September.
Ready in about 95 days from seed, 65 from transplants.
Source: Washington State University (WSU) Extension — Skagit County Extension Master Gardeners, Western Washington Vegetable Planting Calendar (excerpted from WSU Extension Bulletin EM051E, Home Vegetable Gardening in Washington). Days to harvest: Ezina crop catalog, from state extension guides.
Brassica oleracea
Cool season
Start seed indoors March, and again May.
Ready in about 130 days from seed, 100 from transplants.
Source: Washington State University (WSU) Extension — Skagit County Extension Master Gardeners, Western Washington Vegetable Planting Calendar (excerpted from WSU Extension Bulletin EM051E, Home Vegetable Gardening in Washington). Days to harvest: Ezina crop catalog, from state extension guides.
Brassica oleracea
Cool season
Start seed indoors March to April, and again May; Set out transplants May, and again July to September; Sow August.
Ready in about 110 days from seed, 80 from transplants.
Source: Washington State University (WSU) Extension — Skagit County Extension Master Gardeners, Western Washington Vegetable Planting Calendar (excerpted from WSU Extension Bulletin EM051E, Home Vegetable Gardening in Washington). Days to harvest: Ezina crop catalog, from state extension guides.
Cucumis melo
Tender
Start seed indoors April; Set out transplants June.
Ready in about 80 days from seed, 70 from transplants. Tender: in spring, from about April 2 in Seattle. If frost is in the forecast, hold off until it passes and nights stay above 36°F.
Source: Washington State University (WSU) Extension — Skagit County Extension Master Gardeners, Western Washington Vegetable Planting Calendar (excerpted from WSU Extension Bulletin EM051E, Home Vegetable Gardening in Washington). Days to harvest: Ezina crop catalog, from state extension guides.
Daucus carota
Cool seasonSuccession sow
Sow April to July, and again July to August.
Ready in about 70 days; sow again every 7 weeks.
Source: Washington State University (WSU) Extension — Skagit County Extension Master Gardeners, Western Washington Vegetable Planting Calendar (excerpted from WSU Extension Bulletin EM051E, Home Vegetable Gardening in Washington). Days to harvest: Ezina crop catalog, from state extension guides.
Brassica oleracea
Cool season
Start seed indoors March, and again April, and again June to July.
Ready in about 95 days from seed, 68 from transplants.
Source: Washington State University (WSU) Extension — Skagit County Extension Master Gardeners, Western Washington Vegetable Planting Calendar (excerpted from WSU Extension Bulletin EM051E, Home Vegetable Gardening in Washington). Days to harvest: Ezina crop catalog, from state extension guides.
Apium graveolens
Cool season
Start seed indoors February to March; Set out transplants May.
Ready in about 90 days from transplants.
Source: Washington State University (WSU) Extension — Skagit County Extension Master Gardeners, Western Washington Vegetable Planting Calendar (excerpted from WSU Extension Bulletin EM051E, Home Vegetable Gardening in Washington). Days to harvest: Ezina crop catalog, from state extension guides.
Coriandrum sativum
Cool seasonSuccession sow
Sow April to August.
Ready in about 50 days; sow again every 5 weeks.
Source: Washington State University (WSU) Extension — Skagit County Extension Master Gardeners, Western Washington Vegetable Planting Calendar (excerpted from WSU Extension Bulletin EM051E, Home Vegetable Gardening in Washington). Days to harvest: Ezina crop catalog, from state extension guides.
Brassica oleracea
Cool season
Start seed indoors February to March, and again April.
Ready in about 65 days from seed, 55 from transplants.
Source: Washington State University (WSU) Extension — Skagit County Extension Master Gardeners, Western Washington Vegetable Planting Calendar (excerpted from WSU Extension Bulletin EM051E, Home Vegetable Gardening in Washington). Days to harvest: Ezina crop catalog, from state extension guides.
Cucumis sativus
TenderSuccession sow
Start seed indoors April to May; Set out transplants May to June.
Ready in about 58 days from seed, 50 from transplants; sow again every 7 weeks. Tender: in spring, from about April 2 in Seattle. If frost is in the forecast, hold off until it passes and nights stay above 36°F.
Source: Washington State University (WSU) Extension — Skagit County Extension Master Gardeners, Western Washington Vegetable Planting Calendar (excerpted from WSU Extension Bulletin EM051E, Home Vegetable Gardening in Washington). Days to harvest: Ezina crop catalog, from state extension guides.
Anethum graveolens
Cool seasonSuccession sow
Sow March to April.
Ready in about 50 days; sow again every 5 weeks.
Source: Washington State University (WSU) Extension — Skagit County Extension Master Gardeners, Western Washington Vegetable Planting Calendar (excerpted from WSU Extension Bulletin EM051E, Home Vegetable Gardening in Washington). Days to harvest: Ezina crop catalog, from state extension guides.
Solanum melongena
Tender
Start seed indoors April; Set out transplants June.
Ready in about 75 days from transplants. Tender: in spring, from about April 2 in Seattle. If frost is in the forecast, hold off until it passes and nights stay above 36°F.
Source: Washington State University (WSU) Extension — Skagit County Extension Master Gardeners, Western Washington Vegetable Planting Calendar (excerpted from WSU Extension Bulletin EM051E, Home Vegetable Gardening in Washington). Days to harvest: Ezina crop catalog, from state extension guides.
Cichorium endivia
Cool seasonSuccession sow
Sow May to September.
Ready in about 90 days from seed, 70 from transplants; sow again every 8 weeks.
Source: Washington State University (WSU) Extension — Skagit County Extension Master Gardeners, Western Washington Vegetable Planting Calendar (excerpted from WSU Extension Bulletin EM051E, Home Vegetable Gardening in Washington). Days to harvest: Ezina crop catalog, from state extension guides.
Vicia faba
Cool season
Sow March, and again October to November.
Ready in about 85 days.
Source: Washington State University (WSU) Extension — Skagit County Extension Master Gardeners, Western Washington Vegetable Planting Calendar (excerpted from WSU Extension Bulletin EM051E, Home Vegetable Gardening in Washington). Days to harvest: Ezina crop catalog, from state extension guides.
Foeniculum vulgare
Cool season
Start seed indoors April; Set out transplants June.
Ready in about 80 days from seed, 70 from transplants.
Source: Washington State University (WSU) Extension — Skagit County Extension Master Gardeners, Western Washington Vegetable Planting Calendar (excerpted from WSU Extension Bulletin EM051E, Home Vegetable Gardening in Washington). Days to harvest: Ezina crop catalog, from state extension guides.
Allium sativum
Cool seasonOverwinters
Plant February, and again October.
Ready in about 240 days.
Source: Washington State University (WSU) Extension — Skagit County Extension Master Gardeners, Western Washington Vegetable Planting Calendar (excerpted from WSU Extension Bulletin EM051E, Home Vegetable Gardening in Washington). Days to harvest: Ezina crop catalog, from state extension guides.
Phaseolus vulgaris
TenderSuccession sow
Sow May to June, and again June.
Ready in about 55 days; sow again every 5 weeks. Tender: in spring, from about April 2 in Seattle. If frost is in the forecast, hold off until it passes and nights stay above 36°F.
Source: Washington State University (WSU) Extension — Skagit County Extension Master Gardeners, Western Washington Vegetable Planting Calendar (excerpted from WSU Extension Bulletin EM051E, Home Vegetable Gardening in Washington). Days to harvest: Ezina crop catalog, from state extension guides.
Allium fistulosum
Cool seasonSuccession sow
Sow April to July.
Ready in about 65 days from seed, 50 from transplants; sow again every 6 weeks.
Source: Washington State University (WSU) Extension — Skagit County Extension Master Gardeners, Western Washington Vegetable Planting Calendar (excerpted from WSU Extension Bulletin EM051E, Home Vegetable Gardening in Washington). Days to harvest: Ezina crop catalog, from state extension guides.
Brassica oleracea
Cool season
Start seed indoors July; Set out transplants August.
Ready in about 60 days from seed, 45 from transplants.
Source: Washington State University (WSU) Extension — Skagit County Extension Master Gardeners, Western Washington Vegetable Planting Calendar (excerpted from WSU Extension Bulletin EM051E, Home Vegetable Gardening in Washington). Days to harvest: Ezina crop catalog, from state extension guides.
Brassica oleracea
Cool season
Sow April; Set out transplants June to July, and again August.
Ready in about 55 days from seed, 45 from transplants.
Source: Washington State University (WSU) Extension — Skagit County Extension Master Gardeners, Western Washington Vegetable Planting Calendar (excerpted from WSU Extension Bulletin EM051E, Home Vegetable Gardening in Washington). Days to harvest: Ezina crop catalog, from state extension guides.
Allium ampeloprasum
Cool season
Start seed indoors February to March; Sow July.
Ready in about 130 days from seed, 100 from transplants.
Source: Washington State University (WSU) Extension — Skagit County Extension Master Gardeners, Western Washington Vegetable Planting Calendar (excerpted from WSU Extension Bulletin EM051E, Home Vegetable Gardening in Washington). Days to harvest: Ezina crop catalog, from state extension guides.
Lactuca sativa
Cool seasonSuccession sow
Start seed indoors February, and again April; Sow May to July, and again September.
Ready in about 65 days from seed, 50 from transplants; sow again every 6 weeks.
Source: Washington State University (WSU) Extension — Skagit County Extension Master Gardeners, Western Washington Vegetable Planting Calendar (excerpted from WSU Extension Bulletin EM051E, Home Vegetable Gardening in Washington). Days to harvest: Ezina crop catalog, from state extension guides.
Brassica juncea
Cool season
Sow March; Set out transplants July to August, and again August.
Ready in about 45 days.
Source: Washington State University (WSU) Extension — Skagit County Extension Master Gardeners, Western Washington Vegetable Planting Calendar (excerpted from WSU Extension Bulletin EM051E, Home Vegetable Gardening in Washington). Days to harvest: Ezina crop catalog, from state extension guides.
Valerianella locusta
Cool seasonSuccession sow
Sow August to September.
Ready in about 60 days; sow again every 6 weeks.
Source: Washington State University (WSU) Extension — Skagit County Extension Master Gardeners, Western Washington Vegetable Planting Calendar (excerpted from WSU Extension Bulletin EM051E, Home Vegetable Gardening in Washington). Days to harvest: Ezina crop catalog, from state extension guides.
Allium cepa
Cool season
Sow February to March, and again August.
Ready in about 110 days from seed, 95 from transplants.
Source: Washington State University (WSU) Extension — Skagit County Extension Master Gardeners, Western Washington Vegetable Planting Calendar (excerpted from WSU Extension Bulletin EM051E, Home Vegetable Gardening in Washington). Days to harvest: Ezina crop catalog, from state extension guides.
Petroselinum crispum
Cool season
Sow April to July.
Ready in about 78 days from seed, 50 from transplants.
Source: Washington State University (WSU) Extension — Skagit County Extension Master Gardeners, Western Washington Vegetable Planting Calendar (excerpted from WSU Extension Bulletin EM051E, Home Vegetable Gardening in Washington). Days to harvest: Ezina crop catalog, from state extension guides.
Pastinaca sativa
Cool season
Sow April to July.
Ready in about 120 days.
Source: Washington State University (WSU) Extension — Skagit County Extension Master Gardeners, Western Washington Vegetable Planting Calendar (excerpted from WSU Extension Bulletin EM051E, Home Vegetable Gardening in Washington). Days to harvest: Ezina crop catalog, from state extension guides.
Pisum sativum
Cool seasonSuccession sow
Sow February to March.
Ready in about 65 days; sow again every 5 weeks.
Source: Washington State University (WSU) Extension — Skagit County Extension Master Gardeners, Western Washington Vegetable Planting Calendar (excerpted from WSU Extension Bulletin EM051E, Home Vegetable Gardening in Washington). Days to harvest: Ezina crop catalog, from state extension guides.
Capsicum annuum
Tender
Start seed indoors April; Set out transplants June.
Ready in about 80 days from transplants. Tender: in spring, from about April 2 in Seattle. If frost is in the forecast, hold off until it passes and nights stay above 36°F.
Source: Washington State University (WSU) Extension — Skagit County Extension Master Gardeners, Western Washington Vegetable Planting Calendar (excerpted from WSU Extension Bulletin EM051E, Home Vegetable Gardening in Washington). Days to harvest: Ezina crop catalog, from state extension guides.
Solanum tuberosum
Cool season
Plant April.
Ready in about 100 days.
Source: Washington State University (WSU) Extension — Skagit County Extension Master Gardeners, Western Washington Vegetable Planting Calendar (excerpted from WSU Extension Bulletin EM051E, Home Vegetable Gardening in Washington). Days to harvest: Ezina crop catalog, from state extension guides.
Raphanus sativus
Cool seasonSuccession sow
Sow March to May.
Ready in about 28 days; sow again every 3 weeks.
Source: Washington State University (WSU) Extension — Skagit County Extension Master Gardeners, Western Washington Vegetable Planting Calendar (excerpted from WSU Extension Bulletin EM051E, Home Vegetable Gardening in Washington). Days to harvest: Ezina crop catalog, from state extension guides.
Brassica napus
Cool season
Sow May.
Ready in about 95 days.
Source: Washington State University (WSU) Extension — Skagit County Extension Master Gardeners, Western Washington Vegetable Planting Calendar (excerpted from WSU Extension Bulletin EM051E, Home Vegetable Gardening in Washington). Days to harvest: Ezina crop catalog, from state extension guides.
Spinacia oleracea
Cool seasonSuccession sow
Sow March to April, and again August to September.
Ready in about 42 days; sow again every 5 weeks.
Source: Washington State University (WSU) Extension — Skagit County Extension Master Gardeners, Western Washington Vegetable Planting Calendar (excerpted from WSU Extension Bulletin EM051E, Home Vegetable Gardening in Washington). Days to harvest: Ezina crop catalog, from state extension guides.
Cucurbita pepo
TenderSuccession sow
Start seed indoors April; Set out transplants June.
Ready in about 50 days from seed, 40 from transplants; sow again every 7 weeks. Tender: in spring, from about April 2 in Seattle. If frost is in the forecast, hold off until it passes and nights stay above 36°F.
Source: Washington State University (WSU) Extension — Skagit County Extension Master Gardeners, Western Washington Vegetable Planting Calendar (excerpted from WSU Extension Bulletin EM051E, Home Vegetable Gardening in Washington). Days to harvest: Ezina crop catalog, from state extension guides.
Zea mays
TenderSuccession sow
Sow May.
Ready in about 78 days; sow again every 6 weeks. Tender: in spring, from about April 2 in Seattle. If frost is in the forecast, hold off until it passes and nights stay above 36°F.
Source: Washington State University (WSU) Extension — Skagit County Extension Master Gardeners, Western Washington Vegetable Planting Calendar (excerpted from WSU Extension Bulletin EM051E, Home Vegetable Gardening in Washington). Days to harvest: Ezina crop catalog, from state extension guides.
Beta vulgaris
Cool season
Set out transplants March to April.
Ready in about 55 days from seed, 40 from transplants.
Source: Washington State University (WSU) Extension — Skagit County Extension Master Gardeners, Western Washington Vegetable Planting Calendar (excerpted from WSU Extension Bulletin EM051E, Home Vegetable Gardening in Washington). Days to harvest: Ezina crop catalog, from state extension guides.
Physalis philadelphica
Tender
Start seed indoors April; Set out transplants June.
Ready in about 80 days from transplants. Tender: in spring, from about April 2 in Seattle. If frost is in the forecast, hold off until it passes and nights stay above 36°F.
Source: Washington State University (WSU) Extension — Skagit County Extension Master Gardeners, Western Washington Vegetable Planting Calendar (excerpted from WSU Extension Bulletin EM051E, Home Vegetable Gardening in Washington). Days to harvest: Ezina crop catalog, from state extension guides.
Solanum lycopersicum
Tender
Start seed indoors April; Set out transplants June.
Ready in about 75 days from transplants. Tender: in spring, from about April 2 in Seattle. If frost is in the forecast, hold off until it passes and nights stay above 36°F.
Source: Washington State University (WSU) Extension — Skagit County Extension Master Gardeners, Western Washington Vegetable Planting Calendar (excerpted from WSU Extension Bulletin EM051E, Home Vegetable Gardening in Washington). Days to harvest: Ezina crop catalog, from state extension guides.
Brassica rapa
Cool seasonSuccession sow
Sow May, and again July.
Ready in about 50 days; sow again every 5 weeks.
Source: Washington State University (WSU) Extension — Skagit County Extension Master Gardeners, Western Washington Vegetable Planting Calendar (excerpted from WSU Extension Bulletin EM051E, Home Vegetable Gardening in Washington). Days to harvest: Ezina crop catalog, from state extension guides.
Cucurbita moschata
Tender
Start seed indoors April; Set out transplants June.
Ready in about 95 days from seed, 80 from transplants. Tender: in spring, from about April 2 in Seattle. If frost is in the forecast, hold off until it passes and nights stay above 36°F.
Source: Washington State University (WSU) Extension — Skagit County Extension Master Gardeners, Western Washington Vegetable Planting Calendar (excerpted from WSU Extension Bulletin EM051E, Home Vegetable Gardening in Washington). Days to harvest: Ezina crop catalog, from state extension guides.
§ 040 · Questions
On average from about March 8 in Bellevue to April 27 in Pasco. Frost is over 9 years in 10 by April 24 to May 25.
The extension service lists April to June. Tomatoes are frost-tender, so Ezina dates them from about April 2 in Seattle. If frost is in the forecast, wait until it passes.
The extension calendar lists arugula, fava beans, garlic for October.
The latest fall windows on the calendar close in November. Filter by Fall above to see what is still open.
A zone is the coldest winter night, not a frost date. These dates come from NOAA station records and the extension service.
Yes. Run Ezina Dig on your address and your bed plans are dated from that site's own frost records, on iPhone and Android in the contiguous U.S.