Use this planting calendar to find the best times of the year to grow fruits, vegetables, herbs, flowers, and other popular plants in Casco, WI, based on the USDA Hardiness Zone 5a.
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Casco, WI Frost Dates & Growing Season
Last Spring Frost Date for Casco, WI
The average last frost date in spring for Casco 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 Casco, WI
The average first frost date in fall for Casco is October 10th. 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 Casco, WI
Based on historical frost data, the estimated growing season length in Casco is approximately 152 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.
Casco, WI Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting your plants.
Casco, WI Monthly Planting Recommendations
March
In March, recommended activities include starting Broccoli seeds indoors (from March 16th to March 30th), starting Pepper seeds indoors (from March 16th to March 30th), and starting Celery seeds indoors (from March 2nd to March 16th).
April
In April, recommended activities include direct sowing California Poppy (from April 13th to April 27th), direct sowing Crimson Clover (from April 13th to April 27th), and direct sowing Chives (from April 13th to April 27th).
May
In May, recommended activities include direct sowing Cucumber (from May 18th to June 1st), direct sowing Zinnia (from May 18th to June 1st), and direct sowing Okra (from May 25th to June 8th).