Use this planting calendar to find the best times of the year to grow fruits, vegetables, herbs, flowers, and other popular plants in Ballwin, MO, based on the USDA Hardiness Zone 6b.
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Ballwin, MO Frost Dates & Growing Season
Last Spring Frost Date for Ballwin, MO
The average last frost date in spring for Ballwin is April 17th. For gardeners planting sensitive crops like tomatoes, peppers, and basil, it is generally recommended to wait until May 1st 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 Ballwin, MO
The average first frost date in fall for Ballwin 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 Ballwin, MO
Based on historical frost data, the estimated growing season length in Ballwin is approximately 186 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.
Ballwin, MO Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting your plants.
Ballwin, MO Monthly Planting Recommendations
February
In February, recommended activities include starting Broccoli seeds indoors (from February 20th to March 6th), starting Petunia seeds indoors (from February 6th to February 20th), and starting Rosemary seeds indoors (from February 6th to February 20th).
March
In March, recommended activities include direct sowing Sweet Pea (from March 20th to April 3rd), direct sowing Spinach (from March 6th to March 20th), and direct sowing California Poppy (from March 20th to April 3rd).
April
In April, recommended activities include direct sowing Cucumber (from April 24th to May 8th), direct sowing Swiss Chard (from April 3rd to April 17th), and direct sowing Pumpkin (from April 24th to May 8th).
May
In May, recommended activities include direct sowing Corn (from May 1st to May 8th), direct sowing Watermelon (from May 1st to May 15th), and direct sowing Chia (from May 1st to May 15th).