Use this planting calendar to find the best times of the year to grow fruits, vegetables, herbs, flowers, and other popular plants in Grandview, IL, based on the USDA Hardiness Zone 6a.
On this page:
Grandview, IL Frost Dates & Growing Season
Last Spring Frost Date for Grandview, IL
The average last frost date in spring for Grandview is April 21st. For gardeners planting sensitive crops like tomatoes, peppers, and basil, it is generally recommended to wait until May 5th 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 Grandview, IL
The average first frost date in fall for Grandview 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 Grandview, IL
Based on historical frost data, the estimated growing season length in Grandview is approximately 182 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.
Grandview, IL Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting your plants.
Grandview, IL Monthly Planting Recommendations
February
In February, recommended activities include starting French Lavender seeds indoors (from February 10th to February 24th), starting Leek seeds indoors (from February 10th to February 24th), and starting Geranium seeds indoors (from February 10th to February 24th).
March
In March, recommended activities include starting Marigold seeds indoors (from March 10th to March 24th), direct sowing Sorrel (from March 24th to April 7th), and starting Basil seeds indoors (from March 10th to March 24th).
April
In April, recommended activities include direct sowing Runner Bean (from April 28th to May 12th), direct sowing German Chamomile (from April 7th to April 21st), and direct sowing Sunflower (from April 28th to May 12th).
May
In May, recommended activities include direct sowing Sesame (from May 5th to May 19th), direct sowing Jute (from May 5th to May 19th), and direct sowing Black Bean (from May 5th to May 19th).