Last frost date in Fairview, Oregon

March 16

Average last frost in spring. In an early year (1 in 10) it's over by February 18; in a late year (1 in 10) it comes after April 12.

November 20

Average first frost in fall. 1 year in 10 it comes by October 30.

Source: NOAA U.S. Climate Normals 1991–2020, station Portland Troutdale AP (USW00024242), 1.4 miles from Fairview, elevation 29 ft. NOAA National Centers for Environmental Information. These are long-term averages, not a forecast.

What to plant now

Frost dates for Fairview, Oregon
Early yearAverageLate year
Last frost in springFeb 18Mar 16Apr 12
First frost in fallOct 30Nov 20Dec 17

An early or late year is one in 10: 1 year in 10 the frost comes before the early date, and 1 year in 10 after the late date.

Frost-free days in an average year: 250

Planting calendar for Fairview

Fall planting

USDA dates for places whose average first freeze is about November 20 (Fairview: November 20).

USDA lists horseradish as generally spring-planted here.

Spring planting

USDA dates for places whose average last freeze is about March 20 (Fairview: March 16).

USDA lists chinese cabbage as generally fall-planted here.

Planting dates: USDA Home and Garden Bulletin No. 9 (1967), “Suburban and Farm Vegetable Gardens,” tables 4 and 5 (earliest safe spring and latest safe fall dates), applied to this place's NOAA frost dates. “Plants” means setting out transplants, not sowing seed. How we match the table.

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