Use this planting calendar to find the best times of the year to grow fruits, vegetables, herbs, flowers, and other popular plants in South haven, MI, based on the USDA Hardiness Zone 6b.
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South haven, MI Frost Dates & Growing Season
Last Spring Frost Date for South haven, MI
The average last frost date in spring for South haven is May 1st. For gardeners planting sensitive crops like tomatoes, peppers, and basil, it is generally recommended to wait until May 15th 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 South haven, MI
The average first frost date in fall for South haven 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 South haven, MI
Based on historical frost data, the estimated growing season length in South haven 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.
South haven, MI Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting your plants.
South haven, MI Monthly Planting Recommendations
February
In February, recommended activities include starting Celery seeds indoors (from February 20th to March 6th), starting Leek seeds indoors (from February 20th to March 6th), and starting Pansy seeds indoors (from February 20th to March 6th).
March
In March, recommended activities include starting Cabbage seeds indoors (from March 6th to March 20th), starting Stevia seeds indoors (from March 6th to March 20th), and starting Broccoli seeds indoors (from March 6th to March 20th).
April
In April, recommended activities include direct sowing Potato (from April 3rd to April 17th), direct sowing Milk Thistle (from April 17th to May 1st), and direct sowing Sorrel (from April 3rd to April 17th).
May
In May, recommended activities include direct sowing Anise (from May 8th to May 15th), direct sowing Cosmos (from May 8th to May 15th), and direct sowing Cantaloupe (from May 8th to May 22nd).