Use this planting calendar to find the best times of the year to grow fruits, vegetables, herbs, flowers, and other popular plants in Glenwood, WA, based on the USDA Hardiness Zone 6b.
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Glenwood, WA Frost Dates & Growing Season
Last Spring Frost Date for Glenwood, WA
The average last frost date in spring for Glenwood is June 9th. For gardeners planting sensitive crops like tomatoes, peppers, and basil, it is generally recommended to wait until June 23rd 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 Glenwood, WA
The average first frost date in fall for Glenwood 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 Glenwood, WA
Based on historical frost data, the estimated growing season length in Glenwood is approximately 103 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.
Glenwood, WA Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting your plants.
Glenwood, WA Monthly Planting Recommendations
March
In March, recommended activities include starting French Lavender seeds indoors (from March 31st to April 14th), starting Impatiens seeds indoors (from March 31st to April 14th), and starting Begonia seeds indoors (from March 31st to April 14th).
April
In April, recommended activities include starting Sage seeds indoors (from April 28th to May 12th), starting Stevia seeds indoors (from April 14th to April 28th), and starting Cabbage seeds indoors (from April 14th to April 28th).
May
In May, recommended activities include direct sowing Potato (from May 12th to May 26th), direct sowing Dill (from May 26th to June 9th), and direct sowing California Poppy (from May 12th to May 26th).
June
In June, recommended activities include direct sowing Babys Breath (from June 9th to June 23rd), direct sowing Zucchini (from June 16th to June 30th), and direct sowing Morning Glory (from June 16th to June 30th).