Lake Mills, WI Planting Calendar (What to Plant by Month)

Use this planting calendar to find the best times of the year to grow fruits, vegetables, herbs, flowers, and other popular plants in Lake mills, WI, based on the USDA Hardiness Zone 5b.

Lake mills, WI Frost Dates & Growing Season

Last Spring Frost Date for Lake mills, WI

The average last frost date in spring for Lake mills is May 7th. For gardeners planting sensitive crops like tomatoes, peppers, and basil, it is generally recommended to wait until May 21st 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 Lake mills, WI

The average first frost date in fall for Lake mills 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 Lake mills, WI

Based on historical frost data, the estimated growing season length in Lake mills is approximately 154 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.

Lake mills, WI Planting Calendar

This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting your plants.

Legend: I = Start seed indoors S = Direct sow T = Transplant H = Harvest
Generating calendar...

Lake mills, WI Monthly Planting Recommendations

February

In February, recommended activities include starting Petunia seeds indoors (from February 26th to March 12th), starting Onion seeds indoors (from February 26th to March 12th), and starting Leek seeds indoors (from February 26th to March 12th).

March

In March, recommended activities include starting Cabbage seeds indoors (from March 12th to March 26th), starting Moonflower seeds indoors (from March 26th to April 9th), and starting Tomatillo seeds indoors (from March 12th to March 26th).

April

In April, recommended activities include direct sowing Sorrel (from April 9th to April 23rd), direct sowing Lettuce (from April 9th to April 23rd), and direct sowing Fennel (from April 23rd to May 7th).

May

In May, recommended activities include direct sowing Runner Bean (from May 14th to May 28th), direct sowing Pumpkin (from May 14th to May 28th), and direct sowing Fenugreek (from May 7th to May 21st).