Use this planting calendar to find the best times of the year to grow fruits, vegetables, herbs, flowers, and other popular plants in Oostburg, WI, based on the USDA Hardiness Zone 5b.
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Oostburg, WI Frost Dates & Growing Season
Last Spring Frost Date for Oostburg, WI
The average last frost date in spring for Oostburg is May 3rd. For gardeners planting sensitive crops like tomatoes, peppers, and basil, it is generally recommended to wait until May 17th 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 Oostburg, WI
The average first frost date in fall for Oostburg 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 Oostburg, WI
Based on historical frost data, the estimated growing season length in Oostburg is approximately 165 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.
Oostburg, WI Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting your plants.
Oostburg, WI Monthly Planting Recommendations
February
In February, recommended activities include starting Petunia seeds indoors (from February 22nd to March 8th), starting Celery seeds indoors (from February 22nd to March 8th), and starting French Lavender seeds indoors (from February 22nd to March 8th).
March
In March, recommended activities include starting Coneflower seeds indoors (from March 8th to March 22nd), starting Luffa seeds indoors (from March 22nd to April 5th), and starting Basil seeds indoors (from March 22nd to April 5th).
April
In April, recommended activities include direct sowing Lettuce (from April 5th to April 19th), starting Cantaloupe seeds indoors (from April 5th to April 19th), and direct sowing Hyssop (from April 19th to May 3rd).
May
In May, recommended activities include direct sowing Moss Rose (from May 10th to May 24th), direct sowing Zinnia (from May 10th to May 24th), and direct sowing Cucumber (from May 10th to May 24th).