Use this planting calendar to find the best times of the year to grow fruits, vegetables, herbs, flowers, and other popular plants in Mazomanie, WI, based on the USDA Hardiness Zone 5a.
On this page:
Mazomanie, WI Frost Dates & Growing Season
Last Spring Frost Date for Mazomanie, WI
The average last frost date in spring for Mazomanie is May 9th. For gardeners planting sensitive crops like tomatoes, peppers, and basil, it is generally recommended to wait until May 23rd 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 Mazomanie, WI
The average first frost date in fall for Mazomanie is October 8th. 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 Mazomanie, WI
Based on historical frost data, the estimated growing season length in Mazomanie 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.
Mazomanie, WI Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting your plants.
Mazomanie, WI Monthly Planting Recommendations
February
In February, recommended activities include starting Snapdragon seeds indoors (from February 28th to March 14th), starting Petunia seeds indoors (from February 28th to March 14th), and starting Leek seeds indoors (from February 28th to March 14th).
March
In March, recommended activities include starting Oregano seeds indoors (from March 14th to March 28th), starting Sage seeds indoors (from March 28th to April 11th), and starting Cauliflower seeds indoors (from March 14th to March 28th).
April
In April, recommended activities include direct sowing Flax (from April 11th to April 25th), direct sowing Sweet Pea (from April 11th to April 25th), and direct sowing Swiss Chard (from April 25th to May 9th).
May
In May, recommended activities include direct sowing Mung Bean (from May 23rd to June 6th), direct sowing Watermelon (from May 23rd to June 6th), and direct sowing Chia (from May 23rd to June 6th).