Use this planting calendar to find the best times of the year to grow fruits, vegetables, herbs, flowers, and other popular plants in Mill creek, WA, based on the USDA Hardiness Zone 8b.
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Mill creek, WA Frost Dates & Growing Season
Last Spring Frost Date for Mill creek, WA
The average last frost date in spring for Mill creek is April 15th. For gardeners planting sensitive crops like tomatoes, peppers, and basil, it is generally recommended to wait until April 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 Mill creek, WA
The average first frost date in fall for Mill creek is November 10th. 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 Mill creek, WA
Based on historical frost data, the estimated growing season length in Mill creek is approximately 209 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.
Mill creek, WA Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting your plants.
Mill creek, WA Monthly Planting Recommendations
February
In February, recommended activities include starting Cauliflower seeds indoors (from February 18th to March 4th), starting Pansy seeds indoors (from February 4th to February 18th), and starting Celery seeds indoors (from February 4th to February 18th).
March
In March, recommended activities include direct sowing Lettuce (from March 18th to April 1st), direct sowing Carrot (from March 25th to April 8th), and direct sowing Arugula (from March 18th to April 1st).
April
In April, recommended activities include direct sowing Swiss Chard (from April 1st to April 15th), direct sowing Sesame (from April 29th to May 13th), and direct sowing Beet (from April 1st to April 15th).