Use this planting calendar to find the best times of the year to grow fruits, vegetables, herbs, flowers, and other popular plants in Cle elum, WA, based on the USDA Hardiness Zone 6b.
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Cle elum, WA Frost Dates & Growing Season
Last Spring Frost Date for Cle elum, WA
The average last frost date in spring for Cle elum is June 3rd. For gardeners planting sensitive crops like tomatoes, peppers, and basil, it is generally recommended to wait until June 17th 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 Cle elum, WA
The average first frost date in fall for Cle elum is September 20th. 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 Cle elum, WA
Based on historical frost data, the estimated growing season length in Cle elum is approximately 109 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.
Cle elum, WA Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting your plants.
Cle elum, WA Monthly Planting Recommendations
March
In March, recommended activities include starting Impatiens seeds indoors (from March 25th to April 8th), starting Onion seeds indoors (from March 25th to April 8th), and starting Geranium seeds indoors (from March 25th to April 8th).
April
In April, recommended activities include starting Brussel Sprout seeds indoors (from April 22nd to May 6th), starting Broccoli seeds indoors (from April 8th to April 22nd), and starting Thyme seeds indoors (from April 8th to April 22nd).
May
In May, recommended activities include direct sowing Radish (from May 6th to May 20th), direct sowing Garden Cress (from May 6th to May 20th), and direct sowing Alfalfa (from May 6th to May 20th).
June
In June, recommended activities include direct sowing Mung Bean (from June 17th to July 1st), direct sowing Fenugreek (from June 3rd to June 17th), and direct sowing Moss Rose (from June 10th to June 24th).