Use this planting calendar to find the best times of the year to grow fruits, vegetables, herbs, flowers, and other popular plants in Rosalia, WA, based on the USDA Hardiness Zone 6b.
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Rosalia, WA Frost Dates & Growing Season
Last Spring Frost Date for Rosalia, WA
The average last frost date in spring for Rosalia is May 9th. For gardeners planting sensitive crops like tomatoes, peppers, and basil, it is generally recommended to wait until May 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 Rosalia, WA
The average first frost date in fall for Rosalia 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 Rosalia, WA
Based on historical frost data, the estimated growing season length in Rosalia is approximately 150 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.
Rosalia, WA Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting your plants.
Rosalia, WA Monthly Planting Recommendations
February
In February, recommended activities include starting Leek seeds indoors (from February 28th to March 14th), starting Lavender seeds indoors (from February 28th to March 14th), and starting Onion seeds indoors (from February 28th to March 14th).
March
In March, recommended activities include starting Cabbage seeds indoors (from March 14th to March 28th), direct sowing Spinach (from March 28th to April 11th), and starting Aubergine seeds indoors (from March 14th to March 28th).
April
In April, recommended activities include direct sowing Crimson Clover (from April 11th to April 25th), direct sowing Alfalfa (from April 11th to April 25th), and direct sowing Dill (from April 25th to May 9th).
May
In May, recommended activities include direct sowing Black Bean (from May 23rd to June 6th), direct sowing Melon (from May 23rd to June 6th), and direct sowing Mung Bean (from May 23rd to June 6th).