Use this planting calendar to find the best times of the year to grow fruits, vegetables, herbs, flowers, and other popular plants in Symerton, IL, based on the USDA Hardiness Zone 5b.
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Symerton, IL Frost Dates & Growing Season
Last Spring Frost Date for Symerton, IL
The average last frost date in spring for Symerton is April 29th. For gardeners planting sensitive crops like tomatoes, peppers, and basil, it is generally recommended to wait until May 13th 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 Symerton, IL
The average first frost date in fall for Symerton is October 12th. 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 Symerton, IL
Based on historical frost data, the estimated growing season length in Symerton is approximately 166 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.
Symerton, IL Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting your plants.
Symerton, IL Monthly Planting Recommendations
February
In February, recommended activities include starting Impatiens seeds indoors (from February 18th to March 4th), starting Celery seeds indoors (from February 18th to March 4th), and starting Leek seeds indoors (from February 18th to March 4th).
March
In March, recommended activities include starting Coleus seeds indoors (from March 4th to March 18th), starting Sage seeds indoors (from March 18th to April 1st), and starting Broccoli seeds indoors (from March 4th to March 18th).
April
In April, recommended activities include direct sowing Mustard (from April 1st to April 15th), direct sowing Potato (from April 1st to April 15th), and direct sowing Quinoa (from April 15th to April 29th).
May
In May, recommended activities include direct sowing Morning Glory (from May 6th to May 20th), direct sowing Sesame (from May 13th to May 27th), and direct sowing Moss Rose (from May 6th to May 20th).