Bulb

When to Plant Tulips in Oregon

The herald of spring. Plant tulip bulbs in fall for a breathtaking display when you need it most — after a long winter.

The Short Answer

Tulips are planted in fall in Oregon, 8 weeks before your first frost date. That means planting around Oct 15 - Nov 10 in Willamette Valley.

Oregon Frost Dates

Your planting dates depend on which part of Oregon you're in. Here are the frost date ranges by region:

Region Zones Last Frost (Spring) First Frost (Fall)
Willamette Valley 8a, 8b Mar 25 - Apr 15 Oct 15 - Nov 10
Portland Metro 8b, 9a Mar 15 - Apr 5 Oct 25 - Nov 15
Central/Eastern Oregon 5a, 5b, 6a, 6b May 10 - Jun 1 Sep 10 - Oct 1
Southern Oregon Coast 8b, 9a, 9b Mar 5 - Mar 25 Nov 5 - Nov 25

Tulips Planting Schedule for Oregon

Willamette Valley (Zones 8a, 8b)

Average last frost: Mar 25 - Apr 15 · Average first frost: Oct 15 - Nov 10

Fall Planting
8 wks before first frost

Portland Metro (Zones 8b, 9a)

Average last frost: Mar 15 - Apr 5 · Average first frost: Oct 25 - Nov 15

Fall Planting
8 wks before first frost

Central/Eastern Oregon (Zones 5a, 5b, 6a, 6b)

Average last frost: May 10 - Jun 1 · Average first frost: Sep 10 - Oct 1

Fall Planting
8 wks before first frost

Southern Oregon Coast (Zones 8b, 9a, 9b)

Average last frost: Mar 5 - Mar 25 · Average first frost: Nov 5 - Nov 25

Fall Planting
8 wks before first frost

Growing Tulips in Oregon

Tulips in Oregon's Climate

Tulips are borderline in warm climates. Mountain areas with cold winters grow them as perennials. Lower elevations may need to pre-chill bulbs for 6-8 weeks in the refrigerator before planting in December. Treat as annuals — summer heat cooks bulbs left in the ground.

Soil Considerations for Oregon

Rich volcanic soils in Willamette Valley. Dry, alkaline soils east of Cascades. Acidic forest soils on coast. Generally excellent for gardening in valleys.

Oregon Climate & Growing Season

Dramatic east-west climate divide. Wet, mild winters west of Cascades. Dry, cold winters east. Year-round gardening possible in mild western valleys. Tulips can handle frost well, which is an advantage in Oregon's climate. You can push planting dates earlier in spring and extend into fall.

Growing season length varies across Oregon: Willamette Valley (8a, 8b) has a last frost around Mar 25 - Apr 15, while Southern Oregon Coast (8b, 9a, 9b) sees frost end around Mar 5 - Mar 25. This difference matters for tulips — adjust your planting dates to match your specific region.

Growing Tips

Plant pointed end up, 6 inches deep. Need 12-14 weeks of cold below 40°F to bloom. Plant in groups of 10+ for the best show.

Companion Planting

Plant tulips alongside these companions for better growth:

Daffodils Hyacinths Pansies

The Bottom Line

Tulips can be grown successfully across Oregon, but your exact planting dates depend on which region you're in. Willamette Valley gardeners should plan around a Mar 25 - Apr 15 last frost, while those in Southern Oregon Coast can typically plant earlier. For exact dates based on your zip code, use our free planting date finder.

Related Guides

Tulips Growing Guide National planting guide with all states Oregon Planting Calendar All plants for Oregon Tulips in Alabama Alabama planting dates Tulips in Alaska Alaska planting dates Tulips in Arizona Arizona planting dates Tulips in Arkansas Arkansas planting dates
Note: All dates are based on NOAA 30-year Climate Normals and represent historical averages, not predictions for any specific year. Always check your local weather forecast before planting frost-sensitive crops. Learn about our data sources.

Last reviewed: March 29, 2026

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