Lake Koshkonong, 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 koshkonong, WI, based on the USDA Hardiness Zone 5b.

Lake koshkonong, WI Frost Dates & Growing Season

Last Spring Frost Date for Lake koshkonong, WI

The average last frost date in spring for Lake koshkonong is May 6th. For gardeners planting sensitive crops like tomatoes, peppers, and basil, it is generally recommended to wait until May 20th 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 koshkonong, WI

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

Based on historical frost data, the estimated growing season length in Lake koshkonong is approximately 155 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 koshkonong, 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 koshkonong, WI Monthly Planting Recommendations

February

In February, recommended activities include starting Lavender seeds indoors (from February 25th to March 11th), starting Begonia seeds indoors (from February 25th to March 11th), and starting Petunia seeds indoors (from February 25th to March 11th).

March

In March, recommended activities include starting Oregano seeds indoors (from March 11th to March 25th), starting Cabbage seeds indoors (from March 11th to March 25th), and starting Aubergine seeds indoors (from March 11th to March 25th).

April

In April, recommended activities include starting Pumpkin seeds indoors (from April 15th to April 22nd), direct sowing Calendula (from April 22nd to May 6th), and direct sowing Dill (from April 22nd to May 6th).

May

In May, recommended activities include direct sowing Morning Glory (from May 13th to May 27th), direct sowing Lemon Balm (from May 6th to May 20th), and direct sowing Chia (from May 20th to June 3rd).