Use this planting calendar to find the best times of the year to grow fruits, vegetables, herbs, flowers, and other popular plants in St jacob, IL, based on the USDA Hardiness Zone 6b.
On this page:
St jacob, IL Frost Dates & Growing Season
Last Spring Frost Date for St jacob, IL
The average last frost date in spring for St jacob is April 14th. For gardeners planting sensitive crops like tomatoes, peppers, and basil, it is generally recommended to wait until April 28th 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 St jacob, IL
The average first frost date in fall for St jacob 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 St jacob, IL
Based on historical frost data, the estimated growing season length in St jacob is approximately 189 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.
St jacob, IL Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting your plants.
St jacob, IL Monthly Planting Recommendations
February
In February, recommended activities include starting Lavender seeds indoors (from February 3rd to February 17th), starting Impatiens seeds indoors (from February 3rd to February 17th), and starting Artichoke seeds indoors (from February 3rd to February 17th).
March
In March, recommended activities include starting Luffa seeds indoors (from March 3rd to March 17th), direct sowing Parsley (from March 17th to March 31st), and direct sowing Beet (from March 31st to April 14th).
April
In April, recommended activities include direct sowing Anise (from April 21st to April 28th), direct sowing Butterfly Pea (from April 28th to May 12th), and direct sowing Black Bean (from April 28th to May 12th).