Use this planting calendar to find the best times of the year to grow fruits, vegetables, herbs, flowers, and other popular plants in Kingston, IL, based on the USDA Hardiness Zone 5b.
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Kingston, IL Frost Dates & Growing Season
Last Spring Frost Date for Kingston, IL
The average last frost date in spring for Kingston is May 3rd. For gardeners planting sensitive crops like tomatoes, peppers, and basil, it is generally recommended to wait until May 17th 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 Kingston, IL
The average first frost date in fall for Kingston is October 10th. 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 Kingston, IL
Based on historical frost data, the estimated growing season length in Kingston is approximately 160 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.
Kingston, IL Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting your plants.
Kingston, IL Monthly Planting Recommendations
February
In February, recommended activities include starting Geranium seeds indoors (from February 22nd to March 8th), starting Begonia seeds indoors (from February 22nd to March 8th), and starting Impatiens seeds indoors (from February 22nd to March 8th).
March
In March, recommended activities include starting Tomatillo seeds indoors (from March 8th to March 22nd), direct sowing Spinach (from March 22nd to April 5th), and starting Brussel Sprout seeds indoors (from March 22nd to April 5th).
April
In April, recommended activities include direct sowing Crimson Clover (from April 5th to April 19th), direct sowing German Chamomile (from April 19th to May 3rd), and direct sowing Quinoa (from April 19th to May 3rd).
May
In May, recommended activities include direct sowing Lima Bean (from May 17th to May 31st), direct sowing Sesame (from May 17th to May 31st), and direct sowing Butterfly Pea (from May 17th to May 31st).