Use this planting calendar to find the best times of the year to grow fruits, vegetables, herbs, flowers, and other popular plants in Tieton, WA, based on the USDA Hardiness Zone 7a.
On this page:
Tieton, WA Frost Dates & Growing Season
Last Spring Frost Date for Tieton, WA
The average last frost date in spring for Tieton is May 4th. For gardeners planting sensitive crops like tomatoes, peppers, and basil, it is generally recommended to wait until May 18th 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 Tieton, WA
The average first frost date in fall for Tieton is October 5th. 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 Tieton, WA
Based on historical frost data, the estimated growing season length in Tieton is approximately 154 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.
Tieton, WA Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting your plants.
Tieton, WA Monthly Planting Recommendations
February
In February, recommended activities include starting Begonia seeds indoors (from February 23rd to March 9th), starting Leek seeds indoors (from February 23rd to March 9th), and starting Snapdragon seeds indoors (from February 23rd to March 9th).
March
In March, recommended activities include starting Broccoli seeds indoors (from March 9th to March 23rd), starting Coneflower seeds indoors (from March 9th to March 23rd), and starting Coleus seeds indoors (from March 9th to March 23rd).
April
In April, recommended activities include direct sowing Beet (from April 20th to May 4th), direct sowing German Chamomile (from April 20th to May 4th), and direct sowing Bok Choy (from April 6th to April 20th).
May
In May, recommended activities include direct sowing Cucumber (from May 11th to May 25th), direct sowing Lima Bean (from May 18th to June 1st), and direct sowing Lemon Balm (from May 4th to May 18th).