Use this planting calendar to find the best times of the year to grow fruits, vegetables, herbs, flowers, and other popular plants in The dalles, OR, based on the USDA Hardiness Zone 7b.
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The dalles, OR Frost Dates & Growing Season
Last Spring Frost Date for The dalles, OR
The average last frost date in spring for The dalles is April 25th. For gardeners planting sensitive crops like tomatoes, peppers, and basil, it is generally recommended to wait until May 9th before moving plants outdoors. Waiting these extra few weeks significantly reduces the risk of a late freeze damaging young transplants.
First Fall Frost Date for The dalles, OR
The average first frost date in fall for The dalles is October 25th. This date marks the approximate end of the growing season for tender plants. Gardeners should plan to harvest frost-sensitive vegetables or provide heavy protection (such as row covers) before this date to avoid crop loss.
Growing Season Length in The dalles, OR
Based on historical frost data, the estimated growing season length in The dalles is approximately 183 days. This duration determines which vegetable varieties have enough time to reach maturity before the winter cold sets in. Short-season varieties are recommended for crops that require a longer warm period.
Please note: These dates are climatological averages. Actual weather conditions vary by year. Always check the local 10-day forecast before planting.
The dalles, OR Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting your plants.
The dalles, OR Monthly Planting Recommendations
February
In February, recommended activities include starting Tomato seeds indoors (from February 28th to March 14th), starting Geranium seeds indoors (from February 14th to February 28th), and starting Cauliflower seeds indoors (from February 28th to March 14th).
March
In March, recommended activities include starting Cantaloupe seeds indoors (from March 28th to April 11th), direct sowing Chives (from March 28th to April 11th), and direct sowing Radish (from March 28th to April 11th).
April
In April, recommended activities include direct sowing Calendula (from April 11th to April 25th), starting Pumpkin seeds indoors (from April 4th to April 11th), and direct sowing Quinoa (from April 11th to April 25th).
May
In May, recommended activities include direct sowing Morning Glory (from May 2nd to May 16th), direct sowing Pumpkin (from May 2nd to May 16th), and direct sowing Sesame (from May 9th to May 23rd).