Last frost date in The Dalles, Oregon

April 11

Average last frost in spring. In an early year (1 in 10) it's over by March 24; in a late year (1 in 10) it comes after April 28.

October 26

Average first frost in fall. 1 year in 10 it comes by October 9.

Source: NOAA U.S. Climate Normals 1991–2020, station The Dalles Muni AP (USW00024219), 1.6 miles from The Dalles, elevation 235 ft. NOAA National Centers for Environmental Information. These are long-term averages, not a forecast.

What to plant now

Frost dates for The Dalles, Oregon
Early yearAverageLate year
Last frost in springMar 24Apr 11Apr 28
First frost in fallOct 9Oct 26Nov 10

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: 197

Planting calendar for The Dalles

Fall planting

USDA dates for places whose average first freeze is about October 30 (The Dalles: October 26).

USDA lists chervil and chives, garlic, horseradish, leeks, parsnips, shallots as generally spring-planted here.

Spring planting

USDA dates for places whose average last freeze is about April 10 (The Dalles: April 11).

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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