Use this planting calendar to find the best times of the year to grow fruits, vegetables, herbs, flowers, and other popular plants in Jefferson city, MO, based on the USDA Hardiness Zone 6b.
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Jefferson city, MO Frost Dates & Growing Season
Last Spring Frost Date for Jefferson city, MO
The average last frost date in spring for Jefferson city is April 20th. For gardeners planting sensitive crops like tomatoes, peppers, and basil, it is generally recommended to wait until May 4th 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 Jefferson city, MO
The average first frost date in fall for Jefferson city is October 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 Jefferson city, MO
Based on historical frost data, the estimated growing season length in Jefferson city is approximately 183 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.
Jefferson city, MO Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting your plants.
Jefferson city, MO Monthly Planting Recommendations
February
In February, recommended activities include starting Snapdragon seeds indoors (from February 9th to February 23rd), starting Geranium seeds indoors (from February 9th to February 23rd), and starting Leek seeds indoors (from February 9th to February 23rd).
March
In March, recommended activities include starting Pumpkin seeds indoors (from March 30th to April 6th), starting Basil seeds indoors (from March 9th to March 23rd), and starting Moonflower seeds indoors (from March 9th to March 23rd).
April
In April, recommended activities include direct sowing Gladiolus (from April 20th to May 4th), direct sowing Fenugreek (from April 20th to May 4th), and direct sowing Zinnia (from April 27th to May 11th).
May
In May, recommended activities include direct sowing Mung Bean (from May 4th to May 18th), direct sowing Watermelon (from May 4th to May 18th), and direct sowing Black Bean (from May 4th to May 18th).