Use this planting calendar to find the best times of the year to grow fruits, vegetables, herbs, flowers, and other popular plants in London mills, IL, based on the USDA Hardiness Zone 5b.
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London mills, IL Frost Dates & Growing Season
Last Spring Frost Date for London mills, IL
The average last frost date in spring for London mills is April 26th. For gardeners planting sensitive crops like tomatoes, peppers, and basil, it is generally recommended to wait until May 10th 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 London mills, IL
The average first frost date in fall for London mills is October 15th. 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 London mills, IL
Based on historical frost data, the estimated growing season length in London mills is approximately 172 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.
London mills, IL Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting your plants.
London mills, IL Monthly Planting Recommendations
February
In February, recommended activities include starting Petunia seeds indoors (from February 15th to March 1st), starting Begonia seeds indoors (from February 15th to March 1st), and starting Pansy seeds indoors (from February 15th to March 1st).
March
In March, recommended activities include starting Marigold seeds indoors (from March 15th to March 29th), starting Black Eyed Susan seeds indoors (from March 1st to March 15th), and direct sowing Sorrel (from March 29th to April 12th).
April
In April, recommended activities include direct sowing Carrot (from April 5th to April 19th), direct sowing Alyssum (from April 12th to April 26th), and direct sowing Milk Thistle (from April 12th to April 26th).
May
In May, recommended activities include direct sowing Morning Glory (from May 3rd to May 17th), direct sowing Okra (from May 10th to May 24th), and direct sowing Anise (from May 3rd to May 10th).