Marquette Heights, IL Planting Calendar (What to Plant by Month)

Use this planting calendar to find the best times of the year to grow fruits, vegetables, herbs, flowers, and other popular plants in Marquette heights, IL, based on the USDA Hardiness Zone 5b.

Marquette heights, IL Frost Dates & Growing Season

Last Spring Frost Date for Marquette heights, IL

The average last frost date in spring for Marquette heights is April 23rd. For gardeners planting sensitive crops like tomatoes, peppers, and basil, it is generally recommended to wait until May 7th 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 Marquette heights, IL

The average first frost date in fall for Marquette heights 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 Marquette heights, IL

Based on historical frost data, the estimated growing season length in Marquette heights is approximately 180 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.

Marquette heights, IL Planting Calendar

This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting your plants.

Legend: I = Start seed indoors S = Direct sow T = Transplant H = Harvest
Generating calendar...

Marquette heights, IL Monthly Planting Recommendations

February

In February, recommended activities include starting Broccoli seeds indoors (from February 26th to March 12th), starting Statice seeds indoors (from February 26th to March 12th), and starting Black Eyed Susan seeds indoors (from February 26th to March 12th).

March

In March, recommended activities include starting Brussel Sprout seeds indoors (from March 12th to March 26th), direct sowing Sorrel (from March 26th to April 9th), and starting Moonflower seeds indoors (from March 12th to March 26th).

April

In April, recommended activities include direct sowing Dill (from April 9th to April 23rd), direct sowing Zucchini (from April 30th to May 14th), and direct sowing Quinoa (from April 9th to April 23rd).

May

In May, recommended activities include direct sowing Sesame (from May 7th to May 21st), direct sowing Black Bean (from May 7th to May 21st), and direct sowing Watermelon (from May 7th to May 21st).