Use this planting calendar to find the best times of the year to grow fruits, vegetables, herbs, flowers, and other popular plants in Wisconsin dells, WI, based on the USDA Hardiness Zone 5a.
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Wisconsin dells, WI Frost Dates & Growing Season
Last Spring Frost Date for Wisconsin dells, WI
The average last frost date in spring for Wisconsin dells is May 11th. For gardeners planting sensitive crops like tomatoes, peppers, and basil, it is generally recommended to wait until May 25th 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 Wisconsin dells, WI
The average first frost date in fall for Wisconsin dells is October 5th. 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 Wisconsin dells, WI
Based on historical frost data, the estimated growing season length in Wisconsin dells is approximately 147 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.
Wisconsin dells, WI Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting your plants.
Wisconsin dells, WI Monthly Planting Recommendations
March
In March, recommended activities include starting Basil seeds indoors (from March 30th to April 13th), starting Impatiens seeds indoors (from March 2nd to March 16th), and starting Lavender seeds indoors (from March 2nd to March 16th).
April
In April, recommended activities include direct sowing Quinoa (from April 27th to May 11th), direct sowing Crimson Clover (from April 13th to April 27th), and direct sowing Flax (from April 13th to April 27th).
May
In May, recommended activities include direct sowing Jute (from May 25th to June 8th), direct sowing Cantaloupe (from May 18th to June 1st), and direct sowing Zinnia (from May 18th to June 1st).