Use this planting calendar to find the best times of the year to grow fruits, vegetables, herbs, flowers, and other popular plants in Mount vernon, OR, based on the USDA Hardiness Zone 6a.
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Mount vernon, OR Frost Dates & Growing Season
Last Spring Frost Date for Mount vernon, OR
The average last frost date in spring for Mount vernon is June 15th. For gardeners planting sensitive crops like tomatoes, peppers, and basil, it is generally recommended to wait until June 29th 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 Mount vernon, OR
The average first frost date in fall for Mount vernon is August 30th. 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 Mount vernon, OR
Based on historical frost data, the estimated growing season length in Mount vernon is approximately 76 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.
Mount vernon, OR Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting your plants.
Mount vernon, OR Monthly Planting Recommendations
April
In April, recommended activities include starting Coleus seeds indoors (from April 20th to May 4th), starting Ground Cherry seeds indoors (from April 20th to May 4th), and starting Tomato seeds indoors (from April 20th to May 4th).
May
In May, recommended activities include direct sowing Radish (from May 18th to June 1st), direct sowing Pea (from May 4th to May 18th), and starting Marigold seeds indoors (from May 4th to May 18th).
June
In June, recommended activities include direct sowing Okra (from June 29th to July 13th), direct sowing Nasturtium (from June 22nd to June 29th), and direct sowing Fenugreek (from June 15th to June 29th).