Use this planting calendar to find the best times of the year to grow fruits, vegetables, herbs, flowers, and other popular plants in Spokane valley, WA, based on the USDA Hardiness Zone 6b.
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Spokane valley, WA Frost Dates & Growing Season
Last Spring Frost Date for Spokane valley, WA
The average last frost date in spring for Spokane valley is May 3rd. For gardeners planting sensitive crops like tomatoes, peppers, and basil, it is generally recommended to wait until May 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 Spokane valley, WA
The average first frost date in fall for Spokane valley is October 6th. 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 Spokane valley, WA
Based on historical frost data, the estimated growing season length in Spokane valley is approximately 156 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.
Spokane valley, WA Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting your plants.
Spokane valley, WA Monthly Planting Recommendations
February
In February, recommended activities include starting Onion seeds indoors (from February 22nd to March 8th), starting Begonia seeds indoors (from February 22nd to March 8th), and starting Snapdragon seeds indoors (from February 22nd to March 8th).
March
In March, recommended activities include starting Brussel Sprout seeds indoors (from March 22nd to April 5th), starting Tomatillo seeds indoors (from March 8th to March 22nd), and starting Aubergine seeds indoors (from March 8th to March 22nd).
April
In April, recommended activities include direct sowing Swiss Chard (from April 19th to May 3rd), direct sowing Dill (from April 19th to May 3rd), and direct sowing German Chamomile (from April 19th to May 3rd).
May
In May, recommended activities include direct sowing Anise (from May 10th to May 17th), direct sowing Melon (from May 17th to May 31st), and direct sowing Black Bean (from May 17th to May 31st).